J2EE，Java EE，Jakarta EE 命名之间的恩恩怨怨 https://www.ossez.com/t/j2ee-java-ee-jakarta-ee/14382

Merge remote-tracking branch 'origin/main' into persistence-modules
# Conflicts: # persistence-modules/spring-data-redis/README.md
2023-04-20 16:40:09 -04:00 · 2023-01-19 13:18:38 -05:00 · 2023-01-19 13:17:11 -05:00 · 2023-01-17 14:20:17 -05:00 · 2023-01-17 14:20:17 -05:00 · 2023-01-17 14:20:17 -05:00
148 changed files with 4315 additions and 93 deletions
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <annotationProcessing>
+      <profile default="true" name="Default" enabled="true" />
+      <profile name="Maven default annotation processors profile" enabled="true">
+        <sourceOutputDir name="target/generated-sources/annotations" />
+        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
+        <outputRelativeToContentRoot value="true" />
+        <module name="codebank" />
+        <module name="core-java-collections-list" />
+        <module name="spring-data-jpa-repo-2" />
+        <module name="core-java-streams" />
+        <module name="assertion-libraries" />
+        <module name="core-java-io" />
+        <module name="core-java-annotations" />
+        <module name="core-java-8-2" />
+        <module name="core-java-numbers" />
+        <module name="discourse" />
+        <module name="spring-data-redis" />
+        <module name="core-java-strings" />
+        <module name="core-java" />
+        <module name="core-java-11" />
+        <module name="core-java-collections-list-2" />
+        <module name="core-java-collections" />
+        <module name="core-java-datetime-conversion" />
+        <module name="core-java-collections-list-3" />
+        <module name="core-java-8" />
+        <module name="junit-5-basics" />
+        <module name="core-java-collections-3" />
+        <module name="core-java-collections-2" />
+        <module name="activejdbc" />
+      </profile>
+    </annotationProcessing>
+    <bytecodeTargetLevel>
+      <module name="core-java-11-2" target="11" />
+      <module name="hibernate-annotations" target="1.5" />
+      <module name="hibernate5" target="11" />
+    </bytecodeTargetLevel>
+  </component>
+  <component name="JavacSettings">
+    <option name="ADDITIONAL_OPTIONS_OVERRIDE">
+      <module name="core-java-streams" options="-parameters" />
+    </option>
+  </component>
+</project>
@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding">
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-11-2/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-11-2/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-11/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-11/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-8-2/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-8-2/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-8/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-8/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-annotations/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-annotations/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-collections-2/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-collections-2/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-collections-3/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-collections-3/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-collections-list-2/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-collections-list-2/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-collections-list-3/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-collections-list-3/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-collections-list/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-collections-list/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-collections/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-collections/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-datetime-conversion/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-datetime-conversion/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-io/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-io/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-numbers/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-numbers/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-streams/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-streams/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-strings/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java-strings/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/core-java/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/core-java-modules/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/persistence-modules/activejdbc/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/persistence-modules/activejdbc/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/persistence-modules/hibernate5/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/persistence-modules/hibernate5/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/persistence-modules/spring-data-jpa-repo-2/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/persistence-modules/spring-data-jpa-repo-2/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/persistence-modules/spring-data-redis/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/persistence-modules/spring-data-redis/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/persistence-modules/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/persistence-modules/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/testing-modules/assertion-libraries/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/testing-modules/assertion-libraries/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/testing-modules/junit-5-basics/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/testing-modules/junit-5-basics/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/testing-modules/junit-5-basics/src/test/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/testing-modules/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/testing-modules/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/toolkits/codebank/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/toolkits/codebank/src/main/resources" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/toolkits/discourse/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/toolkits/discourse/src/main/resources" charset="UTF-8" />
+  </component>
+</project>
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="ossez-repo-snapshots" />
+      <option name="name" value="OSSEZ Private Snapshots" />
+      <option name="url" value="https://repo.ossez.com/repository/maven-snapshots/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Central Repository" />
+      <option name="url" value="https://repo.maven.apache.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="geodb-repo" />
+      <option name="name" value="GeoDB repository" />
+      <option name="url" value="http://repo.boundlessgeo.com/main/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="ossez-repo-releases" />
+      <option name="name" value="OSSEZ Private Releases" />
+      <option name="url" value="https://repo.ossez.com/repository/maven-releases/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Central Repository" />
+      <option name="url" value="https://repo.ossez.com/repository/maven-public/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+  </component>
+</project>
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JpaBuddyIdeaProjectConfig">
+    <option name="defaultUnitInitialized" value="true" />
+    <option name="renamerInitialized" value="true" />
+  </component>
+</project>
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="MessDetectorOptionsConfiguration">
+    <option name="transferred" value="true" />
+  </component>
+  <component name="PHPCSFixerOptionsConfiguration">
+    <option name="transferred" value="true" />
+  </component>
+  <component name="PHPCodeSnifferOptionsConfiguration">
+    <option name="transferred" value="true" />
+  </component>
+</project>
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ThriftCompiler">
+    <compilers />
+  </component>
+</project>
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
@@ -5,7 +5,7 @@
    <br>提供 CWIKI.US 项目中使用的代码
 </p>

-所有的 Java 代码使用的是 JDK 11。
+Java 代码使用的是 JDK 11。

 你可以通过单击下面连接后访问我们网站，并且访问我们提供的最新有关 Java 的开发资料。

@@ -25,7 +25,9 @@

 # 公众平台

-我们建议您通过社区论坛来和我们进行沟通，请关注我们公众平台上的账号
+我们建议您通过社区论坛来和我们进行沟通，请关注我们公众平台上的账号。
+
+扫描 QR 关注我们的微信公众号和头条号。

 ## 微信公众号

@@ -33,10 +35,11 @@

 ## 头条号

-我们也在头条号上创建了我们的公众号，请扫描下面的 QR 关注我们的头条号。
-
 ![](https://cdn.ossez.com/img/cwikius/cwikus-qr-toutiao.png)

+## 知乎
+请关注我们的知乎：https://www.zhihu.com/people/huyuchengus
+
 ## 快速导航

 在下面的表格中，我们列出了一些比较有用的 CWIKIUS 相关软件开发使用教程的导航，欢迎访问下面的链接获得更多的内容和参与讨论
@@ -4,6 +4,7 @@

 ## 相关文章

+- [J2EE，Java EE，Jakarta EE 命名之间的恩恩怨怨](https://www.ossez.com/t/j2ee-java-ee-jakarta-ee/14382)
 - [Understanding the NumberFormatException in Java](https://www.baeldung.com/java-number-format-exception)


@@ -3,7 +3,6 @@
 本模块中包含有关 Java 11 核心新增功能的的一些文章

 ### 相关文章
- [Java 8 开始新增的 Optional 类](https://www.ossez.com/t/java-8-optional/13964)
 - [Guide to Java Reflection](http://www.baeldung.com/java-reflection)
 - [Guide to Java 8’s Collectors](https://www.baeldung.com/java-8-collectors)
 - [New Features in Java 11](https://www.baeldung.com/java-11-new-features)
@@ -18,7 +18,7 @@
        <dependency>
            <groupId>com.google.guava</groupId>
            <artifactId>guava</artifactId>
-            <version>${guava.version}</version>
+            <version>${version.guava}</version>
        </dependency>
        <dependency>
            <groupId>org.mock-server</groupId>
@@ -14,3 +14,4 @@ This module contains articles about Java 11 core features
 - [Negate a Predicate Method Reference with Java 11](https://www.baeldung.com/java-negate-predicate-method-reference)
 - [Benchmark JDK Collections vs Eclipse Collections](https://www.baeldung.com/jdk-collections-vs-eclipse-collections)
 - [Pre-compile Regex Patterns Into Pattern Objects](https://www.baeldung.com/java-regex-pre-compile)
+
@@ -20,7 +20,7 @@
        <dependency>
            <groupId>com.google.guava</groupId>
            <artifactId>guava</artifactId>
-            <version>${guava.version}</version>
+            <version>${version.guava}</version>
        </dependency>
        <dependency>
            <groupId>org.openjdk.jmh</groupId>
@@ -2,12 +2,12 @@

 本模块中包含有关 Java 8 核心新增功能特性的一些文章。

-### 相关文章 
-
+### 相关文章
 - [Run a Java Application from the Command Line](https://www.baeldung.com/java-run-jar-with-arguments)
 - [Java 8 Stream skip() vs limit()](https://www.baeldung.com/java-stream-skip-vs-limit)
 - [Guide to Java BiFunction Interface](https://www.baeldung.com/java-bifunction-interface)
 - [Interface With Default Methods vs Abstract Class](https://www.baeldung.com/java-interface-default-method-vs-abstract-class)
 - [Convert Between Byte Array and UUID in Java](https://www.baeldung.com/java-byte-array-to-uuid)
 - [Create a Simple “Rock-Paper-Scissors” Game in Java](https://www.baeldung.com/java-rock-paper-scissors)
+- [Java 8 开始新增的 Optional 类](https://www.ossez.com/t/java-8-optional/13964)
 - [[<-- Java 8 核心（第 1 部分）]](/core-java-modules/core-java-8)
@@ -29,7 +29,7 @@
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
-            <version>${log4j.version}</version>
+            <version>${version.log4j}</version>
        </dependency>
        <!-- test scoped -->
        <dependency>
@@ -71,12 +71,12 @@
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
-            <version>${log4j.version}</version>
+            <version>${version.log4j}</version>
        </dependency>
        <dependency> <!-- needed to bridge to slf4j for projects that use the log4j APIs directly -->
            <groupId>org.slf4j</groupId>
            <artifactId>log4j-over-slf4j</artifactId>
-            <version>${slf4j.version}</version>
+            <version>${version.slf4j}</version>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
@@ -35,7 +35,7 @@
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
-            <version>${log4j.version}</version>
+            <version>${version.log4j}</version>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
@@ -10,8 +10,8 @@
 - [Java Localization – Formatting Messages](https://www.baeldung.com/java-localization-messages-formatting)
 - [Java – Generate Random String](https://www.baeldung.com/java-random-string)
 - [Java String Interview Questions and Answers](https://www.baeldung.com/java-string-interview-questions)
- [Java Multi-line String](https://www.baeldung.com/java-multiline-string)
+- [Java 多行字符串](https://www.ossez.com/t/java/14049)
 - [Java 中的 String Pool 简介](https://www.ossez.com/t/java-string-pool/14017)
- [Fixing “constant string too long” Build Error](https://www.baeldung.com/java-constant-string-too-long-error)
+- [Java “constant string too long” 编译错误](https://www.ossez.com/t/java-constant-string-too-long/14048)
 - [Java 对象如何安全的 toString](https://www.ossez.com/t/java-tostring/14000)
 - [编程常用的几种字符编码](https://www.ossez.com/t/topic/14022)
@@ -2,14 +2,13 @@ package com.ossez.multiline;

 import org.junit.Test;

-import javax.swing.*;
 import java.io.IOException;

 import static org.junit.Assert.assertEquals;

 public class MultiLineStringUnitTest {

-    
+
    @Test
    public void whenCompareMultiLineStrings_thenTheyAreAllTheSame() throws IOException {
        MultiLineString ms = new MultiLineString();
@@ -17,7 +16,13 @@ public class MultiLineStringUnitTest {
        assertEquals(ms.stringJoin(), ms.stringBuilder());
        assertEquals(ms.stringBuilder(), ms.guavaJoiner());
        assertEquals(ms.guavaJoiner(), ms.loadFromFile());
-        assertEquals(ms.loadFromFile(), ms.textBlocks());
+
+//        Due to JDK version, we cannot test TestBlocks
+//        assertEquals(ms.loadFromFile(), ms.textBlocks());
+    }
+    @Test
+    public void newlineInOS() throws IOException {
+        System.out.println(System.lineSeparator());
+        System.out.println(System.getProperty("line.separator"));
    }
-    
 }
@@ -0,0 +1,26 @@
+*.class
+
+0.*
+
+#folders#
+/target
+/neoDb*
+/data
+/src/main/webapp/WEB-INF/classes
+*/META-INF/*
+.resourceCache
+
+# Packaged files #
+*.jar
+*.war
+*.ear
+
+# Files generated by integration tests
+*.txt
+backup-pom.xml
+/bin/
+/temp
+
+#IntelliJ specific
+.idea/
+*.iml
@@ -0,0 +1,6 @@
+## Java 核心
+
+本模块中包含有关 Java 核心新增功能特性的一些文章。
+
+### 相关文章: 
+- [Java Preview Features](https://www.baeldung.com/java-preview-features)
@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>core-java</artifactId>
+    <name>core-java</name>
+    <packaging>jar</packaging>
+
+    <parent>
+        <groupId>com.ossez.core-java-modules</groupId>
+        <artifactId>core-java-modules</artifactId>
+        <version>0.0.2-SNAPSHOT</version>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-collections4</artifactId>
+            <version>${commons-collections4.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>${lombok.version}</version>
+            <scope>provided</scope>
+        </dependency>
+        <!-- test scoped -->
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <finalName>core-java-8</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+    </build>
+
+    <properties>
+        <!-- util -->
+        <commons-collections4.version>4.1</commons-collections4.version>
+        <!-- testing -->
+        <assertj.version>3.6.1</assertj.version>
+    </properties>
+
+</project>
@@ -0,0 +1,11 @@
+package com.ossez.features;
+
+import java.time.Clock;
+import java.time.Instant;
+import java.time.ZoneId;
+
+public class Template {
+
+    private static final Clock clock = Clock.fixed(Instant.parse("2016-10-09T15:10:30.00Z"), ZoneId.of("UTC"));
+
+}
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS}  [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="TRACE">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>
@@ -0,0 +1,42 @@
+package com.ossez.features.util;
+
+import static org.junit.Assert.assertEquals;
+
+import java.time.Clock;
+import java.time.Instant;
+import java.time.LocalDate;
+import java.time.LocalTime;
+import java.time.ZoneId;
+import java.time.temporal.ChronoField;
+
+import org.junit.jupiter.api.Test;
+
+public class CurrentDateTimeUnitTest {
+
+    private static final Clock clock = Clock.fixed(Instant.parse("2016-10-09T15:10:30.00Z"), ZoneId.of("UTC"));
+
+    @Test
+    public void shouldReturnCurrentDate() {
+        final LocalDate now = LocalDate.now(clock);
+
+        assertEquals(9, now.get(ChronoField.DAY_OF_MONTH));
+        assertEquals(10, now.get(ChronoField.MONTH_OF_YEAR));
+        assertEquals(2016, now.get(ChronoField.YEAR));
+    }
+
+    @Test
+    public void shouldReturnCurrentTime() {
+        final LocalTime now = LocalTime.now(clock);
+
+        assertEquals(15, now.get(ChronoField.HOUR_OF_DAY));
+        assertEquals(10, now.get(ChronoField.MINUTE_OF_HOUR));
+        assertEquals(30, now.get(ChronoField.SECOND_OF_MINUTE));
+    }
+
+    @Test
+    public void shouldReturnCurrentTimestamp() {
+        final Instant now = Instant.now(clock);
+
+        assertEquals(clock.instant().getEpochSecond(), now.getEpochSecond());
+    }
+}
@@ -0,0 +1,13 @@
+*.class
+
+#folders#
+/target
+/neoDb*
+/data
+/src/main/webapp/WEB-INF/classes
+*/META-INF/*
+
+# Packaged files #
+*.jar
+*.war
+*.ear
@@ -15,10 +15,11 @@
    </parent>

    <modules>
+        <module>core-java</module>
        <module>core-java-8</module>
        <module>core-java-8-2</module>
        <module>core-java-11</module>
-        <module>core-java-11-2</module>
+<!--        <module>core-java-11-2</module>-->
        <module>core-java-annotations</module>
        <module>core-java-collections</module>
        <module>core-java-collections-2</module>
@@ -5,7 +5,7 @@
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <artifactId>parent-boot-2</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.2-SNAPSHOT</version>
    <name>parent-boot-2</name>
    <packaging>pom</packaging>
    <description>Parent for all Spring Boot 2 modules</description>
@@ -13,7 +13,7 @@
    <parent>
        <groupId>com.ossez</groupId>
        <artifactId>parent-modules</artifactId>
-        <version>0.0.1</version>
+        <version>0.0.2-SNAPSHOT</version>
    </parent>

    <dependencyManagement>
@@ -9,9 +9,9 @@
    <url>http://maven.apache.org</url>

    <parent>
-        <groupId>com.baeldung</groupId>
+        <groupId>com.ossez</groupId>
        <artifactId>persistence-modules</artifactId>
-        <version>1.0.0-SNAPSHOT</version>
+        <version>0.0.2-SNAPSHOT</version>
    </parent>

    <dependencies>
@@ -8,9 +8,9 @@
    <name>hibernate5</name>

    <parent>
-        <groupId>com.baeldung</groupId>
+        <groupId>com.ossez</groupId>
        <artifactId>persistence-modules</artifactId>
-        <version>1.0.0-SNAPSHOT</version>
+        <version>0.0.2-SNAPSHOT</version>
    </parent>

    <dependencies>
@@ -9,70 +9,82 @@
    <parent>
        <groupId>com.ossez</groupId>
        <artifactId>parent-modules</artifactId>
-        <version>1.0.0</version>
+        <version>0.0.2-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
    </parent>

    <modules>
        <module>activejdbc</module>
-        <module>apache-cayenne</module>
-        <module>core-java-persistence</module>
-        <module>deltaspike</module>
-        <module>elasticsearch</module>
-        <module>flyway</module>
-        <module>hbase</module>
-        <module>hibernate5</module>
-        <module>hibernate-mapping</module> <!-- long running -->
-        <module>hibernate-ogm</module>
-        <module>hibernate-annotations</module>
-        <module>hibernate-jpa</module>
-        <module>hibernate-queries</module>
-        <module>hibernate-enterprise</module>
-        <module>influxdb</module>
-        <module>java-cassandra</module>
-        <module>java-cockroachdb</module>
-        <module>java-jdbi</module>
-        <module>java-jpa</module> <!-- long running -->
-        <module>java-jpa-2</module> <!-- long running -->
-        <module>java-mongodb</module> <!-- long running -->
-        <module>jnosql</module> <!-- long running -->
-        <module>jpa-hibernate-cascade-type</module>
-        <module>liquibase</module>
-        <module>orientdb</module>
-        <module>persistence-libraries</module>
-        <module>querydsl</module>
-        <module>r2dbc</module>
-        <module>redis</module>
+<!--        <module>apache-cayenne</module>-->
+<!--        <module>core-java-persistence</module>-->
+<!--        <module>deltaspike</module>-->
+<!--        <module>elasticsearch</module>-->
+<!--        <module>flyway</module>-->
+<!--        <module>hbase</module>-->
+<!--        <module>hibernate5</module>-->
+<!--        <module>hibernate-mapping</module> &lt;!&ndash; long running &ndash;&gt;-->
+<!--        <module>hibernate-ogm</module>-->
+<!--        <module>hibernate-annotations</module>-->
+<!--        <module>hibernate-jpa</module>-->
+<!--        <module>hibernate-queries</module>-->
+<!--        <module>hibernate-enterprise</module>-->
+<!--        <module>influxdb</module>-->
+<!--        <module>java-cassandra</module>-->
+<!--        <module>java-cockroachdb</module>-->
+<!--        <module>java-jdbi</module>-->
+<!--        <module>java-jpa</module> &lt;!&ndash; long running &ndash;&gt;-->
+<!--        <module>java-jpa-2</module> &lt;!&ndash; long running &ndash;&gt;-->
+<!--        <module>java-mongodb</module> &lt;!&ndash; long running &ndash;&gt;-->
+<!--        <module>jnosql</module> &lt;!&ndash; long running &ndash;&gt;-->
+<!--        <module>jpa-hibernate-cascade-type</module>-->
+<!--        <module>liquibase</module>-->
+<!--        <module>orientdb</module>-->
+<!--        <module>persistence-libraries</module>-->
+<!--        <module>querydsl</module>-->
+<!--        <module>r2dbc</module>-->
+<!--        <module>redis</module>-->
        <!-- <module>sirix</module> --> <!-- We haven't upgraded to java 11. Fixing in BAEL-10841 -->
-        <module>solr</module>
-        <module>spring-boot-persistence-2</module>
-        <module>spring-boot-mysql</module>
-        <module>spring-boot-persistence</module>
-        <module>spring-boot-persistence-h2</module>
-        <module>spring-boot-persistence-mongodb</module>
-        <module>spring-data-cassandra</module>
-        <module>spring-data-cassandra-reactive</module>
-        <module>spring-data-couchbase-2</module>
-        <module>spring-data-dynamodb</module>
-        <module>spring-data-eclipselink</module>
-        <module>spring-data-elasticsearch</module>
-        <module>spring-data-gemfire</module>
-        <module>spring-data-geode</module>
-        <module>spring-data-jpa</module>
-        <module>spring-data-jpa-2</module>
-        <module>spring-data-jpa-3</module>
-        <module>spring-data-jpa-4</module>
-        <module>spring-data-keyvalue</module>
-        <module>spring-data-mongodb</module>
-        <module>spring-data-neo4j</module>
+<!--        <module>solr</module>-->
+<!--        <module>spring-boot-persistence-2</module>-->
+<!--        <module>spring-boot-mysql</module>-->
+<!--        <module>spring-boot-persistence</module>-->
+<!--        <module>spring-boot-persistence-h2</module>-->
+<!--        <module>spring-boot-persistence-mongodb</module>-->
+<!--        <module>spring-boot-persistence-mongodb-2</module>-->
+<!--        <module>spring-data-arangodb</module>-->
+<!--        <module>spring-data-cassandra</module>-->
+<!--        <module>spring-data-cassandra-test</module>-->
+<!--        <module>spring-data-cassandra-reactive</module>-->
+<!--        <module>spring-data-cosmosdb</module>-->
+<!--        <module>spring-data-couchbase-2</module>-->
+<!--        <module>spring-data-dynamodb</module>-->
+<!--        <module>spring-data-eclipselink</module>-->
+<!--        <module>spring-data-elasticsearch</module>-->
+<!--        &lt;!&ndash; <module>spring-data-gemfire</module> Fixing in JAVA-11854 &ndash;&gt;-->
+<!--        <module>spring-data-geode</module>-->
+<!--        <module>spring-data-jpa-annotations</module>-->
+<!--        <module>spring-data-jpa-crud</module>-->
+<!--        <module>spring-data-jpa-crud-2</module>-->
+<!--        <module>spring-data-jpa-enterprise</module>-->
+<!--        <module>spring-data-jpa-enterprise-2</module>-->
+<!--        <module>spring-data-jpa-filtering</module>-->
+<!--        <module>spring-data-jpa-query</module>-->
+<!--        <module>spring-data-jpa-query-2</module>-->
+<!--        <module>spring-data-jpa-query-3</module>-->
+<!--        <module>spring-data-jpa-repo</module>-->
+        <module>spring-data-jpa-repo-2</module>
+<!--        <module>spring-data-keyvalue</module>-->
+<!--        <module>spring-data-mongodb</module>-->
+<!--        <module>spring-data-neo4j</module>-->
        <module>spring-data-redis</module>
-        <module>spring-data-solr</module>
-        <module>spring-hibernate-3</module>
-        <module>spring-hibernate-5</module> <!-- long running -->
-        <module>spring-hibernate4</module>
-        <module>spring-jpa</module>
+<!--        <module>spring-data-solr</module>-->
+<!--        <module>spring-hibernate-3</module>-->
+<!--        <module>spring-hibernate-5</module> &lt;!&ndash; long running &ndash;&gt;-->
+<!--        <module>spring-hibernate4</module>-->
+<!--        <module>spring-jpa</module>-->
        <!-- <module>spring-mybatis</module> --> <!-- needs fixing in BAEL-9021 -->
-        <module>spring-persistence-simple</module>
-        <module>spring-persistence-simple-2</module>
+<!--        <module>spring-persistence-simple</module>-->
+<!--        <module>spring-persistence-simple-2</module>-->
    </modules>

 </project>
@@ -0,0 +1,9 @@
+## Spring Data JPA - Repositories
+
+### Relevant Articles: 
+
+- [Introduction to Spring Data JPA](https://www.baeldung.com/the-persistence-layer-with-spring-data-jpa)
+- [Performance Difference Between save() and saveAll() in Spring Data](https://www.baeldung.com/spring-data-save-saveall)
+- [LIKE Queries in Spring JPA Repositories](https://www.baeldung.com/spring-jpa-like-queries)
+- [How to Access EntityManager with Spring Data](https://www.baeldung.com/spring-data-entitymanager)
+- More articles: [[<-- prev]](../spring-data-jpa-repo)
@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>spring-data-jpa-repo-2</artifactId>
+    <name>spring-data-jpa-repo-2</name>
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </properties>
+
+    <parent>
+        <groupId>com.ossez</groupId>
+        <artifactId>parent-boot-2</artifactId>
+        <version>0.0.2-SNAPSHOT</version>
+        <relativePath>../../parent-boot-2</relativePath>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>javax.persistence</groupId>
+            <artifactId>javax.persistence-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>${version.guava}</version>
+        </dependency>
+    </dependencies>
+
+</project>
@@ -0,0 +1,12 @@
+package com.baeldung.spring.data.persistence.customrepository;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class CustomRepositoryApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(CustomRepositoryApplication.class, args);
+    }
+}
@@ -0,0 +1,55 @@
+package com.baeldung.spring.data.persistence.customrepository.model;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import java.util.Objects;
+
+@Entity
+public class User {
+
+    @Id
+    @GeneratedValue
+    private Long id;
+    private String name;
+    private String email;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o)
+            return true;
+        if (o == null || getClass() != o.getClass())
+            return false;
+        User user = (User) o;
+        return Objects.equals(id, user.id) && Objects.equals(name, user.name) && Objects.equals(email, user.email);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id, name, email);
+    }
+}
@@ -0,0 +1,9 @@
+package com.baeldung.spring.data.persistence.customrepository.repository;
+
+import com.baeldung.spring.data.persistence.customrepository.model.User;
+
+public interface CustomUserRepository {
+
+    User customFindMethod(Long id);
+
+}
@@ -0,0 +1,26 @@
+package com.baeldung.spring.data.persistence.customrepository.repository;
+
+import com.baeldung.spring.data.persistence.customrepository.model.User;
+
+import javax.annotation.PostConstruct;
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+import java.util.Objects;
+
+public class CustomUserRepositoryImpl implements CustomUserRepository {
+
+    @PersistenceContext
+    private EntityManager entityManager;
+
+    @Override
+    public User customFindMethod(Long id) {
+        return (User) entityManager.createQuery("FROM User u WHERE u.id = :id")
+                .setParameter("id", id)
+                .getSingleResult();
+    }
+
+    @PostConstruct
+    public void postConstruct() {
+        Objects.requireNonNull(entityManager);
+    }
+}
@@ -0,0 +1,10 @@
+package com.baeldung.spring.data.persistence.customrepository.repository;
+
+import com.baeldung.spring.data.persistence.customrepository.model.User;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface UserRepository extends JpaRepository<User, Long>, CustomUserRepository {
+
+}
@@ -0,0 +1,13 @@
+package com.baeldung.spring.data.persistence.like;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class LikeApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(LikeApplication.class, args);
+    }
+
+}
@@ -0,0 +1,58 @@
+package com.baeldung.spring.data.persistence.like.model;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+@Entity
+public class Movie {
+    @Id
+    @GeneratedValue(strategy = GenerationType.SEQUENCE)
+    private Long id;
+    private String title;
+    private String director;
+    private String rating;
+    private int duration;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public String getDirector() {
+        return director;
+    }
+
+    public void setDirector(String director) {
+        this.director = director;
+    }
+
+    public String getRating() {
+        return rating;
+    }
+
+    public void setRating(String rating) {
+        this.rating = rating;
+    }
+
+    public int getDuration() {
+        return duration;
+    }
+
+    public void setDuration(int duration) {
+        this.duration = duration;
+    }
+
+}
@@ -0,0 +1,40 @@
+package com.baeldung.spring.data.persistence.like.repository;
+
+import com.baeldung.spring.data.persistence.like.model.Movie;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.repository.query.Param;
+
+import java.util.List;
+
+public interface MovieRepository extends CrudRepository<Movie, Long> {
+
+    List<Movie> findByTitleContaining(String title);
+
+    List<Movie> findByTitleLike(String title);
+
+    List<Movie> findByTitleContains(String title);
+
+    List<Movie> findByTitleIsContaining(String title);
+
+    List<Movie> findByRatingStartsWith(String rating);
+
+    List<Movie> findByDirectorEndsWith(String director);
+
+    List<Movie> findByTitleContainingIgnoreCase(String title);
+
+    List<Movie> findByRatingNotContaining(String rating);
+
+    List<Movie> findByDirectorNotLike(String director);
+
+    @Query("SELECT m FROM Movie m WHERE m.title LIKE %:title%")
+    List<Movie> searchByTitleLike(@Param("title") String title);
+
+    @Query("SELECT m FROM Movie m WHERE m.rating LIKE ?1%")
+    List<Movie> searchByRatingStartsWith(String rating);
+
+    //Escaping works in SpringBoot >= 2.4.1
+    //@Query("SELECT m FROM Movie m WHERE m.director LIKE %?#{escape([0])} escape ?#{escapeCharacter()}")
+    @Query("SELECT m FROM Movie m WHERE m.director LIKE %:#{[0]}")
+    List<Movie> searchByDirectorEndsWith(String director);
+}
@@ -0,0 +1,25 @@
+package com.baeldung.spring.data.persistence.saveperformance;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+@Entity
+public class Book {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private long id;
+
+    private String title;
+    private String author;
+
+    public Book(final String title, final String author) {
+        this.title = title;
+        this.author = author;
+    }
+
+    public Book() {
+    }
+}
@@ -0,0 +1,52 @@
+package com.baeldung.spring.data.persistence.saveperformance;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.context.event.ApplicationReadyEvent;
+import org.springframework.context.event.EventListener;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@SpringBootApplication
+public class BookApplication {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(BookApplication.class);
+
+    @Autowired
+    private BookRepository bookRepository;
+
+    public static void main(String[] args) {
+        SpringApplication.run(BookApplication.class, args);
+    }
+
+    @EventListener(ApplicationReadyEvent.class)
+    public void executePerformanceBenchmark() {
+
+        int bookCount = 10000;
+
+        long start = System.currentTimeMillis();
+        for (int i = 0; i < bookCount; i++) {
+            bookRepository.save(new Book("Book " + i, "Author " + i));
+        }
+        long end = System.currentTimeMillis();
+        bookRepository.deleteAll();
+
+        LOGGER.debug("It took {}ms to execute save() for {} books.", (end - start), bookCount);
+
+        List<Book> bookList = new ArrayList<>();
+        for (int i = 0; i < bookCount; i++) {
+            bookList.add(new Book("Book " + i, "Author " + i));
+        }
+
+        start = System.currentTimeMillis();
+        bookRepository.saveAll(bookList);
+        end = System.currentTimeMillis();
+
+        LOGGER.debug("It took {}ms to execute saveAll() with {}} books.", (end - start), bookCount);
+
+    }
+}
@@ -0,0 +1,7 @@
+package com.baeldung.spring.data.persistence.saveperformance;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface BookRepository extends JpaRepository<Book, Long> {
+
+}
@@ -0,0 +1,72 @@
+package com.baeldung.spring.data.persistence.saveperformance.repository;
+
+import javax.persistence.*;
+import java.io.Serializable;
+
+@Entity
+public class Foo implements Serializable {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private long id;
+
+    @Column(nullable = false)
+    private String name;
+
+    public Foo() {
+        super();
+    }
+
+    public Foo(final String name) {
+        super();
+
+        this.name = name;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(final long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(final String name) {
+        this.name = name;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((name == null) ? 0 : name.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        final Foo other = (Foo) obj;
+        if (name == null) {
+            if (other.name != null)
+                return false;
+        } else if (!name.equals(other.name))
+            return false;
+        return true;
+    }
+
+    @Override
+    public String toString() {
+        final StringBuilder builder = new StringBuilder();
+        builder.append("Foo [name=").append(name).append("]");
+        return builder.toString();
+    }
+}
@@ -0,0 +1,15 @@
+package com.baeldung.spring.data.persistence.saveperformance.repository;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class FooService implements IFooService {
+    @Autowired
+    private IFooDAO dao;
+
+    @Override
+    public Foo create(Foo foo) {
+        return dao.save(foo);
+    }
+}
@@ -0,0 +1,13 @@
+package com.baeldung.spring.data.persistence.saveperformance.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+
+public interface IFooDAO extends JpaRepository<Foo, Long> {
+
+    Foo findByName(String name);
+
+    @Query("SELECT f FROM Foo f WHERE LOWER(f.name) = LOWER(:name)")
+    Foo retrieveByName(@Param("name") String name);
+}
@@ -0,0 +1,5 @@
+package com.baeldung.spring.data.persistence.saveperformance.repository;
+
+public interface IFooService {
+    Foo create(Foo foo);
+}
@@ -0,0 +1,81 @@
+package com.baeldung.spring.data.persistence.saveperformance.repository;
+
+import com.google.common.base.Preconditions;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.PropertySource;
+import org.springframework.core.env.Environment;
+import org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor;
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
+import org.springframework.jdbc.datasource.DriverManagerDataSource;
+import org.springframework.orm.jpa.JpaTransactionManager;
+import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
+import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
+import org.springframework.transaction.PlatformTransactionManager;
+import org.springframework.transaction.annotation.EnableTransactionManagement;
+
+import javax.sql.DataSource;
+import java.util.Properties;
+
+@Configuration
+@PropertySource("classpath:persistence.properties")
+@ComponentScan("com.baeldung.spring.data.persistence.repository")
+//@ImportResource("classpath*:*springDataConfig.xml")
+@EnableTransactionManagement
+@EnableJpaRepositories(basePackages = "com.baeldung.spring.data.persistence.repository")
+public class PersistenceConfig {
+
+    @Autowired
+    private Environment env;
+
+    public PersistenceConfig() {
+        super();
+    }
+
+    @Bean
+    public LocalContainerEntityManagerFactoryBean entityManagerFactory() {
+        final LocalContainerEntityManagerFactoryBean em = new LocalContainerEntityManagerFactoryBean();
+        em.setDataSource(dataSource());
+        em.setPackagesToScan("com.baeldung.spring.data.persistence.repository");
+
+        final HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
+        em.setJpaVendorAdapter(vendorAdapter);
+        em.setJpaProperties(additionalProperties());
+
+        return em;
+    }
+
+    @Bean
+    public DataSource dataSource() {
+        final DriverManagerDataSource dataSource = new DriverManagerDataSource();
+        dataSource.setDriverClassName(Preconditions.checkNotNull(env.getProperty("jdbc.driverClassName")));
+        dataSource.setUrl(Preconditions.checkNotNull(env.getProperty("jdbc.url")));
+        dataSource.setUsername(Preconditions.checkNotNull(env.getProperty("jdbc.user")));
+        dataSource.setPassword(Preconditions.checkNotNull(env.getProperty("jdbc.pass")));
+
+        return dataSource;
+    }
+
+    @Bean
+    public PlatformTransactionManager transactionManager() {
+        final JpaTransactionManager transactionManager = new JpaTransactionManager();
+        transactionManager.setEntityManagerFactory(entityManagerFactory().getObject());
+
+        return transactionManager;
+    }
+
+    @Bean
+    public PersistenceExceptionTranslationPostProcessor exceptionTranslation() {
+        return new PersistenceExceptionTranslationPostProcessor();
+    }
+
+    final Properties additionalProperties() {
+        final Properties hibernateProperties = new Properties();
+        hibernateProperties.setProperty("hibernate.hbm2ddl.auto", env.getProperty("hibernate.hbm2ddl.auto"));
+        hibernateProperties.setProperty("hibernate.dialect", env.getProperty("hibernate.dialect"));
+
+        return hibernateProperties;
+    }
+}
@@ -0,0 +1,3 @@
+spring.datasource.url=jdbc:h2:mem:db;DB_CLOSE_DELAY=-1
+spring.datasource.username=sa
+spring.datasource.password=sa
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="DEBUG">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>
@@ -0,0 +1,9 @@
+# jdbc.X
+jdbc.driverClassName=org.h2.Driver
+jdbc.url=jdbc:h2:mem:db;DB_CLOSE_DELAY=-1
+jdbc.user=sa
+jdbc.pass=sa
+
+# hibernate.X
+hibernate.hbm2ddl.auto=create-drop
+hibernate.dialect=org.hibernate.dialect.H2Dialect
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns:jpa="http://www.springframework.org/schema/data/jpa"
+       xsi:schemaLocation="
+    http://www.springframework.org/schema/beans
+    http://www.springframework.org/schema/beans/spring-beans.xsd
+    http://www.springframework.org/schema/data/jpa
+    http://www.springframework.org/schema/data/jpa/spring-jpa.xsd"
+>
+    <jpa:repositories base-package="com.baeldung.spring.data.persistence.repository"/>
+</beans>
@@ -0,0 +1,27 @@
+package com.baeldung.spring.data.persistence.customrepository;
+
+import com.baeldung.spring.data.persistence.customrepository.model.User;
+import com.baeldung.spring.data.persistence.customrepository.repository.UserRepository;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+@SpringBootTest(classes = CustomRepositoryApplication.class)
+class CustomRepositoryUnitTest {
+
+    @Autowired
+    private UserRepository userRepository;
+
+    @Test
+    void givenCustomRepository_whenInvokeCustomFindMethod_thenEntityIsFound() {
+        User user = new User();
+        user.setEmail("foo@gmail.com");
+        user.setName("userName");
+
+        User persistedUser = userRepository.save(user);
+
+        assertEquals(persistedUser, userRepository.customFindMethod(user.getId()));
+    }
+}
@@ -0,0 +1,91 @@
+package com.baeldung.spring.data.persistence.like;
+
+import com.baeldung.spring.data.persistence.like.model.Movie;
+import com.baeldung.spring.data.persistence.like.repository.MovieRepository;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.jdbc.Sql;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import javax.sql.DataSource;
+import java.util.List;
+
+import static org.junit.Assert.assertEquals;
+import static org.springframework.test.context.jdbc.Sql.ExecutionPhase.AFTER_TEST_METHOD;
+
+@RunWith(SpringRunner.class)
+@Sql(scripts = { "/test-movie-data.sql" })
+@SpringBootTest(classes = LikeApplication.class)
+@Sql(scripts = "/test-movie-cleanup.sql", executionPhase = AFTER_TEST_METHOD)
+public class MovieRepositoryIntegrationTest {
+    @Autowired
+    private MovieRepository movieRepository;
+
+    @Autowired
+    private DataSource dataSource;
+
+    @Test
+    public void givenPartialTitle_WhenFindByTitleContaining_ThenMoviesShouldReturn() {
+        List<Movie> results = movieRepository.findByTitleContaining("in");
+        assertEquals(3, results.size());
+
+        results = movieRepository.findByTitleLike("%in%");
+        assertEquals(3, results.size());
+
+        results = movieRepository.findByTitleIsContaining("in");
+        assertEquals(3, results.size());
+
+        results = movieRepository.findByTitleContains("in");
+        assertEquals(3, results.size());
+    }
+
+    @Test
+    public void givenStartOfRating_WhenFindByRatingStartsWith_ThenMoviesShouldReturn() {
+        List<Movie> results = movieRepository.findByRatingStartsWith("PG");
+        assertEquals(6, results.size());
+    }
+
+    @Test
+    public void givenLastName_WhenFindByDirectorEndsWith_ThenMoviesShouldReturn() {
+        List<Movie> results = movieRepository.findByDirectorEndsWith("Burton");
+        assertEquals(1, results.size());
+    }
+
+    @Test
+    public void givenPartialTitle_WhenFindByTitleContainingIgnoreCase_ThenMoviesShouldReturn() {
+        List<Movie> results = movieRepository.findByTitleContainingIgnoreCase("the");
+        assertEquals(2, results.size());
+    }
+
+    @Test
+    public void givenPartialTitle_WhenSearchByTitleLike_ThenMoviesShouldReturn() {
+        List<Movie> results = movieRepository.searchByTitleLike("in");
+        assertEquals(3, results.size());
+    }
+
+    @Test
+    public void givenStartOfRating_SearchFindByRatingStartsWith_ThenMoviesShouldReturn() {
+        List<Movie> results = movieRepository.searchByRatingStartsWith("PG");
+        assertEquals(6, results.size());
+    }
+
+    @Test
+    public void givenLastName_WhenSearchByDirectorEndsWith_ThenMoviesShouldReturn() {
+        List<Movie> results = movieRepository.searchByDirectorEndsWith("Burton");
+        assertEquals(1, results.size());
+    }
+
+    @Test
+    public void givenPartialRating_findByRatingNotContaining_ThenMoviesShouldReturn() {
+        List<Movie> results = movieRepository.findByRatingNotContaining("PG");
+        assertEquals(1, results.size());
+    }
+
+    @Test
+    public void givenPartialDirector_WhenFindByDirectorNotLike_ThenMoviesShouldReturn() {
+        List<Movie> results = movieRepository.findByDirectorNotLike("An%");
+        assertEquals(5, results.size());
+    }
+}
@@ -0,0 +1,29 @@
+package com.baeldung.spring.data.persistence.repository;
+
+import com.baeldung.spring.data.persistence.saveperformance.repository.Foo;
+import com.baeldung.spring.data.persistence.saveperformance.repository.IFooService;
+import com.baeldung.spring.data.persistence.saveperformance.repository.PersistenceConfig;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.dao.DataIntegrityViolationException;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import javax.sql.DataSource;
+
+@RunWith(SpringRunner.class)
+@ContextConfiguration(classes = PersistenceConfig.class)
+public class FooServiceIntegrationTest {
+
+    @Autowired
+    private IFooService service;
+
+    @Autowired
+    private DataSource dataSource;
+
+    @Test(expected = DataIntegrityViolationException.class)
+    public final void whenInvalidEntityIsCreated_thenDataException() {
+        service.create(new Foo());
+    }
+}
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration scan="true" scanPeriod="15 seconds" debug="false">
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>[%d{ISO8601}]-[%thread] %-5level %logger - %msg%n</pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>
@@ -0,0 +1 @@
+DELETE FROM Movie;
@@ -0,0 +1,7 @@
+INSERT INTO movie(id, title, director, rating, duration) VALUES(1, 'Godzilla: King of the Monsters', ' Michael Dougherty', 'PG-13', 132);
+INSERT INTO movie(id, title, director, rating, duration) VALUES(2, 'Avengers: Endgame', 'Anthony Russo', 'PG-13', 181);
+INSERT INTO movie(id, title, director, rating, duration) VALUES(3, 'Captain Marvel', 'Anna Boden', 'PG-13', 123);
+INSERT INTO movie(id, title, director, rating, duration) VALUES(4, 'Dumbo', 'Tim Burton', 'PG', 112);
+INSERT INTO movie(id, title, director, rating, duration) VALUES(5, 'Booksmart', 'Olivia Wilde', 'R', 102);
+INSERT INTO movie(id, title, director, rating, duration) VALUES(6, 'Aladdin', 'Guy Ritchie', 'PG', 128);
+INSERT INTO movie(id, title, director, rating, duration) VALUES(7, 'The Sun Is Also a Star', 'Ry Russo-Young', 'PG-13', 100);
@@ -0,0 +1,16 @@
+## Spring Data Redis
+
+### 相关文章：
+- [介绍 Spring Data Redis](https://www.ossez.com/t/spring-data-redis/14299)
+- [PubSub Messaging with Spring Data Redis](https://www.baeldung.com/spring-data-redis-pub-sub)
+- [An Introduction to Spring Data Redis Reactive](https://www.baeldung.com/spring-data-redis-reactive)
+
+### 构建项目并且运行所有的测试
+```
+mvn clean install
+```
+
+### 只运行测试
+```
+mvn test
+```
@@ -0,0 +1,93 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>spring-data-redis</artifactId>
+    <version>1.0</version>
+    <name>spring-data-redis</name>
+    <packaging>jar</packaging>
+
+    <parent>
+        <groupId>com.ossez</groupId>
+        <artifactId>parent-boot-2</artifactId>
+        <version>0.0.2-SNAPSHOT</version>
+        <relativePath>../../parent-boot-2</relativePath>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-redis-reactive</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.projectreactor</groupId>
+            <artifactId>reactor-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-test</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.platform</groupId>
+            <artifactId>junit-platform-runner</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>cglib</groupId>
+            <artifactId>cglib-nodep</artifactId>
+            <version>${cglib.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>redis.clients</groupId>
+            <artifactId>jedis</artifactId>
+            <type>jar</type>
+        </dependency>
+        <dependency>
+            <groupId>com.lordofthejars</groupId>
+            <artifactId>nosqlunit-redis</artifactId>
+            <version>${nosqlunit.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.github.kstyrc</groupId>
+            <artifactId>embedded-redis</artifactId>
+            <version>${embedded-redis.version}</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <configuration>
+                    <verbose>true</verbose>
+                    <fork>false</fork>
+                    <forkCount>0</forkCount>
+                    <argLine>-Xmx1024m</argLine>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <properties>
+        <cglib.version>3.2.4</cglib.version>
+        <nosqlunit.version>0.10.0</nosqlunit.version>
+        <embedded-redis.version>0.6</embedded-redis.version>
+    </properties>
+
+</project>
@@ -0,0 +1,13 @@
+package com.baeldung.spring.data.reactive.redis;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringRedisReactiveApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringRedisReactiveApplication.class, args);
+    }
+
+}
@@ -0,0 +1,51 @@
+package com.baeldung.spring.data.reactive.redis.config;
+
+
+import com.baeldung.spring.data.reactive.redis.model.Employee;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.redis.connection.ReactiveKeyCommands;
+import org.springframework.data.redis.connection.ReactiveRedisConnectionFactory;
+import org.springframework.data.redis.connection.ReactiveStringCommands;
+import org.springframework.data.redis.connection.RedisConnectionFactory;
+import org.springframework.data.redis.core.ReactiveRedisTemplate;
+import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
+import org.springframework.data.redis.serializer.RedisSerializationContext;
+import org.springframework.data.redis.serializer.StringRedisSerializer;
+
+import javax.annotation.PreDestroy;
+
+@Configuration
+public class RedisConfig {
+
+    @Autowired
+    RedisConnectionFactory factory;
+
+    @Bean
+    public ReactiveRedisTemplate<String, Employee> reactiveRedisTemplate(ReactiveRedisConnectionFactory factory) {
+        Jackson2JsonRedisSerializer<Employee> serializer = new Jackson2JsonRedisSerializer<>(Employee.class);
+        RedisSerializationContext.RedisSerializationContextBuilder<String, Employee> builder = RedisSerializationContext.newSerializationContext(new StringRedisSerializer());
+        RedisSerializationContext<String, Employee> context = builder.value(serializer)
+            .build();
+        return new ReactiveRedisTemplate<>(factory, context);
+    }
+
+    @Bean
+    public ReactiveKeyCommands keyCommands(final ReactiveRedisConnectionFactory reactiveRedisConnectionFactory) {
+        return reactiveRedisConnectionFactory.getReactiveConnection()
+            .keyCommands();
+    }
+
+    @Bean
+    public ReactiveStringCommands stringCommands(final ReactiveRedisConnectionFactory reactiveRedisConnectionFactory) {
+        return reactiveRedisConnectionFactory.getReactiveConnection()
+            .stringCommands();
+    }
+
+    @PreDestroy
+    public void cleanRedis() {
+        factory.getConnection()
+            .flushDb();
+    }
+}
@@ -0,0 +1,21 @@
+package com.baeldung.spring.data.reactive.redis.model;
+
+import java.io.Serializable;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+import lombok.ToString;
+
+@Data
+@ToString
+@AllArgsConstructor
+@NoArgsConstructor
+@EqualsAndHashCode
+public class Employee implements Serializable {
+    private static final long serialVersionUID = 1603714798906422731L;
+    private String id;
+    private String name;
+    private String department;
+}
@@ -0,0 +1,13 @@
+package com.baeldung.spring.data.redis;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringRedisApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringRedisApplication.class, args);
+    }
+
+}
@@ -0,0 +1,60 @@
+package com.baeldung.spring.data.redis.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.PropertySource;
+import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.listener.ChannelTopic;
+import org.springframework.data.redis.listener.RedisMessageListenerContainer;
+import org.springframework.data.redis.listener.adapter.MessageListenerAdapter;
+import org.springframework.data.redis.repository.configuration.EnableRedisRepositories;
+import org.springframework.data.redis.serializer.GenericToStringSerializer;
+
+import com.baeldung.spring.data.redis.queue.MessagePublisher;
+import com.baeldung.spring.data.redis.queue.RedisMessagePublisher;
+import com.baeldung.spring.data.redis.queue.RedisMessageSubscriber;
+
+@Configuration
+@ComponentScan("com.baeldung.spring.data.redis")
+@EnableRedisRepositories(basePackages = "com.baeldung.spring.data.redis.repo")
+@PropertySource("classpath:application.properties")
+public class RedisConfig {
+
+    @Bean
+    JedisConnectionFactory jedisConnectionFactory() {
+        return new JedisConnectionFactory();
+    }
+
+    @Bean
+    public RedisTemplate<String, Object> redisTemplate() {
+        final RedisTemplate<String, Object> template = new RedisTemplate<String, Object>();
+        template.setConnectionFactory(jedisConnectionFactory());
+        template.setValueSerializer(new GenericToStringSerializer<Object>(Object.class));
+        return template;
+    }
+
+    @Bean
+    MessageListenerAdapter messageListener() {
+        return new MessageListenerAdapter(new RedisMessageSubscriber());
+    }
+
+    @Bean
+    RedisMessageListenerContainer redisContainer() {
+        final RedisMessageListenerContainer container = new RedisMessageListenerContainer();
+        container.setConnectionFactory(jedisConnectionFactory());
+        container.addMessageListener(messageListener(), topic());
+        return container;
+    }
+
+    @Bean
+    MessagePublisher redisPublisher() {
+        return new RedisMessagePublisher(redisTemplate(), topic());
+    }
+
+    @Bean
+    ChannelTopic topic() {
+        return new ChannelTopic("pubsub:queue");
+    }
+}
@@ -0,0 +1,62 @@
+package com.baeldung.spring.data.redis.model;
+
+import java.io.Serializable;
+
+import org.springframework.data.redis.core.RedisHash;
+
+@RedisHash("Student")
+public class Student implements Serializable {
+
+    public enum Gender {
+        MALE, FEMALE
+    }
+
+    private String id;
+    private String name;
+    private Gender gender;
+    private int grade;
+
+    public Student(String id, String name, Gender gender, int grade) {
+        this.id = id;
+        this.name = name;
+        this.gender = gender;
+        this.grade = grade;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Gender getGender() {
+        return gender;
+    }
+
+    public void setGender(Gender gender) {
+        this.gender = gender;
+    }
+
+    public int getGrade() {
+        return grade;
+    }
+
+    public void setGrade(int grade) {
+        this.grade = grade;
+    }
+
+    @Override
+    public String toString() {
+        return "Student{" + "id='" + id + '\'' + ", name='" + name + '\'' + ", gender=" + gender + ", grade=" + grade + '}';
+    }
+}
@@ -0,0 +1,6 @@
+package com.baeldung.spring.data.redis.queue;
+
+public interface MessagePublisher {
+
+    void publish(final String message);
+}
@@ -0,0 +1,27 @@
+package com.baeldung.spring.data.redis.queue;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.listener.ChannelTopic;
+import org.springframework.stereotype.Service;
+
+@Service
+public class RedisMessagePublisher implements MessagePublisher {
+
+    @Autowired
+    private RedisTemplate<String, Object> redisTemplate;
+    @Autowired
+    private ChannelTopic topic;
+
+    public RedisMessagePublisher() {
+    }
+
+    public RedisMessagePublisher(final RedisTemplate<String, Object> redisTemplate, final ChannelTopic topic) {
+        this.redisTemplate = redisTemplate;
+        this.topic = topic;
+    }
+
+    public void publish(final String message) {
+        redisTemplate.convertAndSend(topic.getTopic(), message);
+    }
+}
@@ -0,0 +1,19 @@
+package com.baeldung.spring.data.redis.queue;
+
+import org.springframework.data.redis.connection.Message;
+import org.springframework.data.redis.connection.MessageListener;
+import org.springframework.stereotype.Service;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Service
+public class RedisMessageSubscriber implements MessageListener {
+
+    public static List<String> messageList = new ArrayList<String>();
+
+    public void onMessage(final Message message, final byte[] pattern) {
+        messageList.add(message.toString());
+        System.out.println("Message received: " + new String(message.getBody()));
+    }
+}
@@ -0,0 +1,9 @@
+package com.baeldung.spring.data.redis.repo;
+
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.stereotype.Repository;
+
+import com.baeldung.spring.data.redis.model.Student;
+
+@Repository
+public interface StudentRepository extends CrudRepository<Student, String> {}
@@ -0,0 +1,2 @@
+spring.redis.host=localhost
+spring.redis.port=6379
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>web - %date [%thread] %-5level %logger{36} - %message%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <logger name="org.springframework" level="WARN" />
+    <logger name="org.springframework.transaction" level="WARN" />
+
+    <!-- in order to debug some marshalling issues, this needs to be TRACE -->
+    <logger name="org.springframework.web.servlet.mvc" level="WARN" />
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>
@@ -0,0 +1,33 @@
+package com.baeldung;
+
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.annotation.DirtiesContext.ClassMode;
+
+import com.baeldung.spring.data.redis.SpringRedisApplication;
+
+import redis.embedded.RedisServerBuilder;
+
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = SpringRedisApplication.class)
+@DirtiesContext(classMode = ClassMode.BEFORE_CLASS)
+public class SpringContextTest {
+    
+    private static redis.embedded.RedisServer redisServer;
+    
+    @BeforeClass
+    public static void startRedisServer() {
+        redisServer = new RedisServerBuilder().port(6379).setting("maxmemory 256M").build();
+        redisServer.start();
+    }
+
+    @AfterClass
+    public static void stopRedisServer() {
+        redisServer.stop();
+    }
+    @Test
+    public void whenSpringContextIsBootstrapped_thenNoExceptions() {
+    }
+}
@@ -0,0 +1,72 @@
+package com.baeldung.spring.data.reactive.redis.template;
+
+
+import com.baeldung.spring.data.reactive.redis.SpringRedisReactiveApplication;
+
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.redis.connection.ReactiveKeyCommands;
+import org.springframework.data.redis.connection.ReactiveStringCommands;
+import org.springframework.data.redis.connection.ReactiveStringCommands.SetCommand;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.annotation.DirtiesContext.ClassMode;
+import org.springframework.test.context.junit4.SpringRunner;
+import reactor.core.publisher.Flux;
+import reactor.core.publisher.Mono;
+import reactor.test.StepVerifier;
+import redis.embedded.RedisServerBuilder;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = SpringRedisReactiveApplication.class)
+@DirtiesContext(classMode = ClassMode.BEFORE_CLASS)
+public class RedisKeyCommandsManualTest {
+    
+    private static redis.embedded.RedisServer redisServer;
+
+    @Autowired
+    private ReactiveKeyCommands keyCommands;
+
+    @Autowired
+    private ReactiveStringCommands stringCommands;
+    
+    @BeforeClass
+    public static void startRedisServer() throws IOException {
+        redisServer = new RedisServerBuilder().port(6379).setting("maxmemory 256M").build();
+        redisServer.start();
+    }
+    
+    @AfterClass
+    public static void stopRedisServer() throws IOException {
+        redisServer.stop();
+    }
+
+    @Test
+    public void givenFluxOfKeys_whenPerformOperations_thenPerformOperations() {
+        Flux<String> keys = Flux.just("key1", "key2", "key3", "key4");
+
+        Flux<SetCommand> generator = keys.map(String::getBytes)
+            .map(ByteBuffer::wrap)
+            .map(key -> SetCommand.set(key)
+                .value(key));
+
+        StepVerifier.create(stringCommands.set(generator))
+            .expectNextCount(4L)
+            .verifyComplete();
+
+        Mono<Long> keyCount = keyCommands.keys(ByteBuffer.wrap("key*".getBytes()))
+            .flatMapMany(Flux::fromIterable)
+            .count();
+
+        StepVerifier.create(keyCount)
+            .expectNext(4L)
+            .verifyComplete();
+
+    }
+}
@@ -0,0 +1,69 @@
+package com.baeldung.spring.data.reactive.redis.template;
+
+
+import com.baeldung.spring.data.reactive.redis.SpringRedisReactiveApplication;
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.redis.core.ReactiveListOperations;
+import org.springframework.data.redis.core.ReactiveStringRedisTemplate;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.annotation.DirtiesContext.ClassMode;
+import org.springframework.test.context.junit4.SpringRunner;
+import reactor.core.publisher.Mono;
+import reactor.test.StepVerifier;
+import redis.embedded.RedisServerBuilder;
+
+import java.io.IOException;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = SpringRedisReactiveApplication.class)
+@DirtiesContext(classMode = ClassMode.BEFORE_CLASS)
+public class RedisTemplateListOpsManualTest {
+
+    private static final String LIST_NAME = "demo_list";
+    private static redis.embedded.RedisServer redisServer;
+
+    @Autowired
+    private ReactiveStringRedisTemplate redisTemplate;
+
+    private ReactiveListOperations<String, String> reactiveListOps;
+    
+    @BeforeClass
+    public static void startRedisServer() throws IOException {
+        redisServer = new RedisServerBuilder().port(6379).setting("maxmemory 128M").build();
+        redisServer.start();
+    }
+    
+    @AfterClass
+    public static void stopRedisServer() throws IOException {
+        redisServer.stop();
+    }
+
+    @Before
+    public void setup() {
+        reactiveListOps = redisTemplate.opsForList();
+    }
+
+    @Test
+    public void givenListAndValues_whenLeftPushAndLeftPop_thenLeftPushAndLeftPop() {
+        Mono<Long> lPush = reactiveListOps.leftPushAll(LIST_NAME, "first", "second")
+            .log("Pushed");
+
+        StepVerifier.create(lPush)
+            .expectNext(2L)
+            .verifyComplete();
+
+        Mono<String> lPop = reactiveListOps.leftPop(LIST_NAME)
+            .log("Popped");
+
+        StepVerifier.create(lPop)
+            .expectNext("second")
+            .verifyComplete();
+    }
+
+}
@@ -0,0 +1,93 @@
+package com.baeldung.spring.data.reactive.redis.template;
+
+
+import java.io.IOException;
+import java.time.Duration;
+
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.redis.core.ReactiveRedisTemplate;
+import org.springframework.data.redis.core.ReactiveValueOperations;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.annotation.DirtiesContext.ClassMode;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import com.baeldung.spring.data.reactive.redis.SpringRedisReactiveApplication;
+import com.baeldung.spring.data.reactive.redis.model.Employee;
+
+import reactor.core.publisher.Mono;
+import reactor.test.StepVerifier;
+import redis.embedded.RedisServerBuilder;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = SpringRedisReactiveApplication.class)
+@DirtiesContext(classMode = ClassMode.BEFORE_CLASS)
+public class RedisTemplateValueOpsManualTest {
+    
+    private static redis.embedded.RedisServer redisServer;
+
+    @Autowired
+    private ReactiveRedisTemplate<String, Employee> redisTemplate;
+
+    private ReactiveValueOperations<String, Employee> reactiveValueOps;
+    
+    @BeforeClass
+    public static void startRedisServer() throws IOException {
+        redisServer = new RedisServerBuilder().port(6379).setting("maxmemory 256M").build();
+        redisServer.start();
+    }
+    
+    @AfterClass
+    public static void stopRedisServer() throws IOException {
+        redisServer.stop();
+    }
+
+    @Before
+    public void setup() {
+        reactiveValueOps = redisTemplate.opsForValue();
+    }
+
+    @Test
+    public void givenEmployee_whenSet_thenSet() {
+
+        Mono<Boolean> result = reactiveValueOps.set("123", new Employee("123", "Bill", "Accounts"));
+
+        StepVerifier.create(result)
+            .expectNext(true)
+            .verifyComplete();
+    }
+
+    @Test
+    public void givenEmployeeId_whenGet_thenReturnsEmployee() {
+
+        Mono<Employee> fetchedEmployee = reactiveValueOps.get("123");
+
+        StepVerifier.create(fetchedEmployee)
+            .expectNext(new Employee("123", "Bill", "Accounts"))
+            .verifyComplete();
+    }
+
+    @Test
+    public void givenEmployee_whenSetWithExpiry_thenSetsWithExpiryTime() throws InterruptedException {
+
+        Mono<Boolean> result = reactiveValueOps.set("129", new Employee("129", "John", "Programming"), Duration.ofSeconds(1));
+
+        Mono<Employee> fetchedEmployee = reactiveValueOps.get("129");
+
+        StepVerifier.create(result)
+            .expectNext(true)
+            .verifyComplete();
+
+        Thread.sleep(2000L);
+
+        StepVerifier.create(fetchedEmployee)
+            .expectNextCount(0L)
+            .verifyComplete();
+    }
+
+}
@@ -0,0 +1,48 @@
+package com.baeldung.spring.data.redis;
+
+import com.baeldung.spring.data.redis.queue.RedisMessagePublisher;
+import com.baeldung.spring.data.redis.queue.RedisMessageSubscriber;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.annotation.DirtiesContext.ClassMode;
+import org.springframework.test.context.junit4.SpringRunner;
+import redis.embedded.RedisServerBuilder;
+
+import java.util.UUID;
+
+import static org.junit.Assert.assertTrue;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = SpringRedisApplication.class)
+@DirtiesContext(classMode = ClassMode.BEFORE_CLASS)
+public class RedisMessageListenerManualTest {
+
+    private static redis.embedded.RedisServer redisServer;
+
+    @Autowired
+    private RedisMessagePublisher redisMessagePublisher;
+
+    @BeforeClass
+    public static void startRedisServer() {
+        redisServer = new RedisServerBuilder().port(6379).setting("maxmemory 256M").build();
+        redisServer.start();
+    }
+
+    @AfterClass
+    public static void stopRedisServer() {
+        redisServer.stop();
+    }
+
+    @Test
+    public void testOnMessage() throws Exception {
+        String message = "Message " + UUID.randomUUID();
+        redisMessagePublisher.publish(message);
+        Thread.sleep(1000);
+        assertTrue(RedisMessageSubscriber.messageList.get(0).contains(message));
+    }
+}
@@ -0,0 +1,83 @@
+package com.baeldung.spring.data.redis.repo;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.annotation.DirtiesContext.ClassMode;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+import com.baeldung.spring.data.redis.config.RedisConfig;
+import com.baeldung.spring.data.redis.model.Student;
+
+import redis.embedded.RedisServerBuilder;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = RedisConfig.class)
+@DirtiesContext(classMode = ClassMode.BEFORE_CLASS)
+public class StudentRepositoryManualTest {
+
+    @Autowired
+    private StudentRepository studentRepository;
+    
+    private static redis.embedded.RedisServer redisServer;
+    
+    @BeforeClass
+    public static void startRedisServer() throws IOException {
+        redisServer = new RedisServerBuilder().port(6379).setting("maxmemory 128M").build();
+        redisServer.start();
+    }
+    
+    @AfterClass
+    public static void stopRedisServer() throws IOException {
+        redisServer.stop();
+    }
+
+    @Test
+    public void whenSavingStudent_thenAvailableOnRetrieval() throws Exception {
+        final Student student = new Student("Eng2015001", "John Doe", Student.Gender.MALE, 1);
+        studentRepository.save(student);
+        final Student retrievedStudent = studentRepository.findById(student.getId()).get();
+        assertEquals(student.getId(), retrievedStudent.getId());
+    }
+
+    @Test
+    public void whenUpdatingStudent_thenAvailableOnRetrieval() throws Exception {
+        final Student student = new Student("Eng2015001", "John Doe", Student.Gender.MALE, 1);
+        studentRepository.save(student);
+        student.setName("Richard Watson");
+        studentRepository.save(student);
+        final Student retrievedStudent = studentRepository.findById(student.getId()).get();
+        assertEquals(student.getName(), retrievedStudent.getName());
+    }
+
+    @Test
+    public void whenSavingStudents_thenAllShouldAvailableOnRetrieval() throws Exception {
+        final Student engStudent = new Student("Eng2015001", "John Doe", Student.Gender.MALE, 1);
+        final Student medStudent = new Student("Med2015001", "Gareth Houston", Student.Gender.MALE, 2);
+        studentRepository.save(engStudent);
+        studentRepository.save(medStudent);
+        List<Student> students = new ArrayList<>();
+        studentRepository.findAll().forEach(students::add);
+        assertEquals(students.size(), 2);
+    }
+
+    @Test
+    public void whenDeletingStudent_thenNotAvailableOnRetrieval() throws Exception {
+        final Student student = new Student("Eng2015001", "John Doe", Student.Gender.MALE, 1);
+        studentRepository.save(student);
+        studentRepository.deleteById(student.getId());
+        final Student retrievedStudent = studentRepository.findById(student.getId()).orElse(null);
+        assertNull(retrievedStudent);
+    }
+}
@@ -40,12 +40,13 @@

    <modules>
        <module>core-java-modules</module>
-<!--        <module>jackson-modules</module>-->
-<!--        <module>jackson-simple</module>-->
-<!--        <module>parent-java</module>-->
+        <!--        <module>jackson-modules</module>-->
+        <!--        <module>jackson-simple</module>-->
+        <!--        <module>parent-java</module>-->
+        <module>persistence-modules</module>
        <module>testing-modules</module>
        <module>toolkits</module>
-<!--        <module>xml</module>-->
+        <!--        <module>xml</module>-->
    </modules>

    <properties>
@@ -55,9 +56,9 @@
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>

        <!-- Logging -->
-        <slf4j.version>1.7.30</slf4j.version>
-        <log4j.version>1.2.17</log4j.version>
-        <log4j2.version>2.2</log4j2.version>
+        <version.slf4j>1.7.36</version.slf4j>
+        <version.log4j>1.2.17</version.log4j>
+        <version.log4j2>2.18.0</version.log4j2>

        <!-- APACHE COMMONS-->
        <commons-io.version>2.8.0</commons-io.version>
@@ -71,7 +72,7 @@
        <maven-war-plugin.version>3.0.0</maven-war-plugin.version>

        <!-- UTILS -->
-        <guava.version>31.1-jre</guava.version>
+        <version.guava>31.1-jre</version.guava>

        <!-- Hibernate / JPA -->
        <hibernate.version>4.3.5.Final</hibernate.version>
@@ -108,7 +109,7 @@
        <moneta.version>1.3</moneta.version>
        <jmh-core.version>1.33</jmh-core.version>
        <exec-maven-plugin.version>3.0.0</exec-maven-plugin.version>
-        <maven-surefire-plugin.version>2.21.0</maven-surefire-plugin.version>
+        <maven-surefire-plugin.version>3.0.0-M8</maven-surefire-plugin.version>
        <maven-compiler-plugin.version>3.10.1</maven-compiler-plugin.version>
        <logback-classic.version>1.2.5</logback-classic.version>
        <rest-assured.version>3.1.1</rest-assured.version>
@@ -308,6 +309,16 @@

    <build>
        <defaultGoal>package</defaultGoal>
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-surefire-plugin</artifactId>
+                    <version>${maven-surefire-plugin.version}</version>
+                </plugin>
+            </plugins>
+        </pluginManagement>
+
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
@@ -320,7 +331,7 @@
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
-                <version>2.12.4</version>
+                <version>${maven-surefire-plugin.version}</version>
                <configuration>
                    <skipTests>true</skipTests>
                </configuration>
@@ -0,0 +1,5 @@
+/target/
+.settings/
+.classpath
+.project
+
@@ -0,0 +1 @@
+distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.5.2/apache-maven-3.5.2-bin.zip
@@ -0,0 +1,12 @@
+## Spring Boot 测试 
+
+本模块中包含了有关如何在 Spring Boot 中进行测试和在测试中遇到的一些问题和解决的文章。
+
+- [Testing with Spring and Spock](https://www.baeldung.com/spring-spock-testing)
+- [Exclude Auto-Configuration Classes in Spring Boot Tests](https://www.baeldung.com/spring-boot-exclude-auto-configuration-test)
+- [Embedded Redis Server with Spring Boot Test](https://www.baeldung.com/spring-embedded-redis)
+- [Testing Spring Boot @ConfigurationProperties](https://www.baeldung.com/spring-boot-testing-configurationproperties)
+- [Prevent ApplicationRunner or CommandLineRunner Beans From Executing During Junit Testing](https://www.baeldung.com/spring-junit-prevent-runner-beans-testing-execution)
+- [Testing in Spring Boot](https://www.baeldung.com/spring-boot-testing)
+- [解决在 Spring Boot 中运行 JUnit 测试遇到的 NoSuchMethodError 错误](https://www.ossez.com/t/spring-boot-junit-nosuchmethoderror/14066)
+- More articles: [[more -->]](../spring-boot-testing-2)
@@ -0,0 +1,227 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven2 Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   M2_HOME - location of maven2's installed home dir
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+    # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+    # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+    if [ -z "$JAVA_HOME" ]; then
+      if [ -x "/usr/libexec/java_home" ]; then
+        export JAVA_HOME="`/usr/libexec/java_home`"
+      else
+        export JAVA_HOME="/Library/Java/Home"
+      fi
+    fi
+    ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
+  fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+  ## resolve links - $0 may be a link to maven's home
+  PRG="$0"
+
+  # need this for relative symlinks
+  while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+      PRG="$link"
+    else
+      PRG="`dirname "$PRG"`/$link"
+    fi
+  done
+
+  saveddir=`pwd`
+
+  M2_HOME=`dirname "$PRG"`/..
+
+  # make it fully qualified
+  M2_HOME=`cd "$M2_HOME" && pwd`
+
+  cd "$saveddir"
+  # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --unix "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+  # TODO classpath?
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="`which javac`"
+  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=`which readlink`
+    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+      if $darwin ; then
+        javaHome="`dirname \"$javaExecutable\"`"
+        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+      else
+        javaExecutable="`readlink -f \"$javaExecutable\"`"
+      fi
+      javaHome="`dirname \"$javaExecutable\"`"
+      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  if [ -n "$JAVA_HOME"  ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+    fi
+  else
+    JAVACMD="`which java`"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+
+  if [ -z "$1" ]
+  then
+    echo "Path not specified to find_maven_basedir"
+    return 1
+  fi
+
+  basedir="$1"
+  wdir="$1"
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+    if [ -d "${wdir}" ]; then
+      wdir=`cd "$wdir/.."; pwd`
+    fi
+    # end of workaround
+  done
+  echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    echo "$(tr -s '\n' ' ' < "$1")"
+  fi
+}
+
+BASE_DIR=`find_maven_basedir "$(pwd)"`
+if [ -z "$BASE_DIR" ]; then
+  exit 1;
+fi
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+  echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+fi
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
@@ -0,0 +1,145 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven2 Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing my setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
+if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
+if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%" == "on" pause
+
+if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
+
+exit /B %ERROR_CODE%
@@ -0,0 +1,149 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>spring-boot-testing</artifactId>
+    <name>spring-boot-testing</name>
+    <packaging>war</packaging>
+    <description>This is simple boot application for demonstrating testing features.</description>
+
+    <parent>
+        <groupId>com.baeldung.spring-boot-modules</groupId>
+        <artifactId>spring-boot-modules</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.apache.logging.log4j</groupId>
+                <artifactId>log4j-bom</artifactId>
+                <version>${log4j2.version}</version>
+                <scope>import</scope>
+                <type>pom</type>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-redis</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-tomcat</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-security</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <!-- Embedded Redis Server -->
+        <dependency>
+            <groupId>it.ozimov</groupId>
+            <artifactId>embedded-redis</artifactId>
+            <version>${redis.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <!-- Spock & Spring -->
+        <dependency>
+            <groupId>org.spockframework</groupId>
+            <artifactId>spock-core</artifactId>
+            <version>${spock.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.spockframework</groupId>
+            <artifactId>spock-spring</artifactId>
+            <version>${spock.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <finalName>spring-boot-testing</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-war-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>pl.project13.maven</groupId>
+                <artifactId>git-commit-id-plugin</artifactId>
+                <version>${git-commit-id-plugin.version}</version>
+                <executions>
+                    <execution>
+                        <id>get-the-git-infos</id>
+                        <goals>
+                            <goal>revision</goal>
+                        </goals>
+                        <phase>initialize</phase>
+                    </execution>
+                    <execution>
+                        <id>validate-the-git-infos</id>
+                        <goals>
+                            <goal>validateRevision</goal>
+                        </goals>
+                        <phase>package</phase>
+                    </execution>
+                </executions>
+                <configuration>
+                    <generateGitPropertiesFile>true</generateGitPropertiesFile>
+                    <generateGitPropertiesFilename>${project.build.outputDirectory}/git.properties</generateGitPropertiesFilename>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.codehaus.gmavenplus</groupId>
+                <artifactId>gmavenplus-plugin</artifactId>
+                <version>${gmavenplus-plugin.version}</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>compileTests</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+    <properties>
+        <!-- The main class to start by executing java -jar -->
+        <start-class>com.baeldung.boot.Application</start-class>
+        <git-commit-id-plugin.version>2.2.4</git-commit-id-plugin.version>
+        <spock.version>1.2-groovy-2.4</spock.version>
+        <gmavenplus-plugin.version>1.6</gmavenplus-plugin.version>
+        <redis.version>0.7.2</redis.version>
+        <spring-boot.version>2.5.0</spring-boot.version>
+        <log4j2.version>2.17.1</log4j2.version>
+    </properties>
+
+</project>
@@ -0,0 +1,14 @@
+package com.baeldung.boot;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.ApplicationContext;
+
+@SpringBootApplication
+public class Application {
+    private static ApplicationContext applicationContext;
+
+    public static void main(String[] args) {
+        applicationContext = SpringApplication.run(Application.class, args);
+    }
+}
@@ -0,0 +1,28 @@
+package com.baeldung.boot.configurationproperties;
+
+public class Credentials {
+
+    private String username;
+    private String password;
+
+    public Credentials(String username, String password) {
+        this.username = username;
+        this.password = password;
+    }
+
+    public String getUsername() {
+        return username;
+    }
+
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+}
@@ -0,0 +1,16 @@
+package com.baeldung.boot.configurationproperties;
+
+import org.springframework.boot.context.properties.ConfigurationPropertiesBinding;
+import org.springframework.core.convert.converter.Converter;
+import org.springframework.stereotype.Component;
+
+@Component
+@ConfigurationPropertiesBinding
+public class CustomCredentialsConverter implements Converter<String, Credentials> {
+
+    @Override
+    public Credentials convert(String source) {
+        String[] data = source.split(",");
+        return new Credentials(data[0], data[1]);
+    }
+}
@@ -0,0 +1,59 @@
+package com.baeldung.boot.configurationproperties;
+
+import java.util.Map;
+
+import javax.validation.Valid;
+import javax.validation.constraints.Email;
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotEmpty;
+import javax.validation.constraints.NotNull;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.PropertySource;
+import org.springframework.validation.annotation.Validated;
+
+@Configuration
+@ConfigurationProperties(prefix = "validate")
+@PropertySource("classpath:property-validation.properties")
+@Validated
+public class MailServer {
+
+    @NotNull
+    @NotEmpty
+    private Map<String, @NotBlank String> propertiesMap;
+
+    @Valid
+    private MailConfig mailConfig = new MailConfig();
+
+    public static class MailConfig {
+
+        @NotBlank
+        @Email
+        private String address;
+
+        public String getAddress() {
+            return address;
+        }
+
+        public void setAddress(String address) {
+            this.address = address;
+        }
+    }
+
+    public Map<String, String> getPropertiesMap() {
+        return propertiesMap;
+    }
+
+    public void setPropertiesMap(Map<String, String> propertiesMap) {
+        this.propertiesMap = propertiesMap;
+    }
+
+    public MailConfig getMailConfig() {
+        return mailConfig;
+    }
+
+    public void setMailConfig(MailConfig mailConfig) {
+        this.mailConfig = mailConfig;
+    }
+}
@@ -0,0 +1,67 @@
+package com.baeldung.boot.configurationproperties;
+
+import java.time.Duration;
+import java.time.temporal.ChronoUnit;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.boot.convert.DataSizeUnit;
+import org.springframework.boot.convert.DurationUnit;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.util.unit.DataSize;
+import org.springframework.util.unit.DataUnit;
+
+@Configuration
+@ConfigurationProperties(prefix = "server")
+public class PropertyConversion {
+
+    private DataSize uploadSpeed;
+
+    @DataSizeUnit(DataUnit.GIGABYTES)
+    private DataSize downloadSpeed;
+
+    private Duration backupDay;
+
+    @DurationUnit(ChronoUnit.HOURS)
+    private Duration backupHour;
+
+    private Credentials credentials;
+
+    public Duration getBackupDay() {
+        return backupDay;
+    }
+
+    public void setBackupDay(Duration backupDay) {
+        this.backupDay = backupDay;
+    }
+
+    public Duration getBackupHour() {
+        return backupHour;
+    }
+
+    public void setBackupHour(Duration backupHour) {
+        this.backupHour = backupHour;
+    }
+
+    public DataSize getUploadSpeed() {
+        return uploadSpeed;
+    }
+
+    public void setUploadSpeed(DataSize uploadSpeed) {
+        this.uploadSpeed = uploadSpeed;
+    }
+
+    public DataSize getDownloadSpeed() {
+        return downloadSpeed;
+    }
+
+    public void setDownloadSpeed(DataSize downloadSpeed) {
+        this.downloadSpeed = downloadSpeed;
+    }
+
+    public Credentials getCredentials() {
+        return credentials;
+    }
+
+    public void setCredentials(Credentials credentials) {
+        this.credentials = credentials;
+    }
+}
@@ -0,0 +1,43 @@
+package com.baeldung.boot.configurationproperties;
+
+import java.util.Map;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@ConfigurationProperties(prefix = "server")
+public class ServerConfig {
+
+    private Address address;
+    private Map<String, String> resourcesPath;
+
+    public static class Address {
+
+        private String ip;
+
+        public String getIp() {
+            return ip;
+        }
+
+        public void setIp(String ip) {
+            this.ip = ip;
+        }
+    }
+
+    public Address getAddress() {
+        return address;
+    }
+
+    public void setAddress(Address address) {
+        this.address = address;
+    }
+
+    public Map<String, String> getResourcesPath() {
+        return resourcesPath;
+    }
+
+    public void setResourcesPath(Map<String, String> resourcesPath) {
+        this.resourcesPath = resourcesPath;
+    }
+}
@@ -0,0 +1,15 @@
+package com.baeldung.boot.configurationproperties;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class ServerConfigFactory {
+
+    @Bean(name = "default_bean")
+    @ConfigurationProperties(prefix = "server.default")
+    public ServerConfig getDefaultConfigs() {
+        return new ServerConfig();
+    }
+}
@@ -0,0 +1,14 @@
+package com.baeldung.boot.controller.rest;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class HomeController {
+    
+    @GetMapping("/")
+    public String salutation() {
+        return "Welcome !";
+    }
+
+}
@@ -0,0 +1,36 @@
+package com.baeldung.boot.controller.rest;
+
+import java.util.Optional;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/hello")
+public class WebController {
+
+    private String name;
+
+    @GetMapping
+    public String salutation() {
+        return "Hello " + Optional.ofNullable(name).orElse("world") + '!';
+    }
+
+    @PutMapping
+    @ResponseStatus(HttpStatus.NO_CONTENT)
+    public void setName(@RequestBody final String name) {
+        this.name = name;
+    }
+
+    @DeleteMapping
+    @ResponseStatus(HttpStatus.NO_CONTENT)
+    public void resetToDefault() {
+        this.name = null;
+    }
+}
@@ -0,0 +1,24 @@
+package com.baeldung.boot.embeddedRedis.configuration;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.repository.configuration.EnableRedisRepositories;
+
+@Configuration
+@EnableRedisRepositories
+public class RedisConfiguration {
+
+    @Bean
+    public LettuceConnectionFactory redisConnectionFactory(final RedisProperties redisProperties) {
+        return new LettuceConnectionFactory(redisProperties.getRedisHost(), redisProperties.getRedisPort());
+    }
+
+    @Bean
+    public RedisTemplate<?, ?> redisTemplate(final LettuceConnectionFactory connectionFactory) {
+        RedisTemplate<byte[], byte[]> template = new RedisTemplate<>();
+        template.setConnectionFactory(connectionFactory);
+        return template;
+    }
+}
@@ -0,0 +1,23 @@
+package com.baeldung.boot.embeddedRedis.configuration;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class RedisProperties {
+    private final int redisPort;
+    private final String redisHost;
+
+    public RedisProperties(@Value("${spring.redis.port}") final int redisPort, @Value("${spring.redis.host}") final String redisHost) {
+        this.redisPort = redisPort;
+        this.redisHost = redisHost;
+    }
+
+    public int getRedisPort() {
+        return redisPort;
+    }
+
+    public String getRedisHost() {
+        return redisHost;
+    }
+}
@@ -0,0 +1,25 @@
+package com.baeldung.boot.embeddedRedis.domain;
+
+import org.springframework.data.annotation.Id;
+import org.springframework.data.redis.core.RedisHash;
+
+import java.util.UUID;
+
+@RedisHash("user")
+public class User {
+    @Id private UUID id;
+    private String name;
+
+    public User(UUID id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public UUID getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+}
@@ -0,0 +1,10 @@
+package com.baeldung.boot.embeddedRedis.domain.repository;
+
+import com.baeldung.boot.embeddedRedis.domain.User;
+import org.springframework.data.repository.CrudRepository;
+
+import java.util.UUID;
+
+public interface UserRepository extends CrudRepository<User, UUID> {
+
+}
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
honeymoose	27db0d5540	J2EE，Java EE，Jakarta EE 命名之间的恩恩怨怨 https://www.ossez.com/t/j2ee-java-ee-jakarta-ee/14382	2023-04-20 16:40:09 -04:00
honeymoose	edcd08e1b2	Merge remote-tracking branch 'origin/main' into persistence-modules # Conflicts: # persistence-modules/spring-data-redis/README.md	2023-01-19 13:18:38 -05:00
honeymoose	038ce5b547	介绍 Spring Data Redis https://www.ossez.com/t/spring-data-redis/14299	2023-01-19 13:17:11 -05:00
honeymoose	b9d1b0257c	redis 测试类进行测试	2023-01-17 14:20:17 -05:00
honeymoose	ddbb638242	添加文章：- [解决在 Spring Boot 中运行 JUnit 测试遇到的 NoSuchMethodError 错误](https://www.ossez.com/t/spring-boot-junit-nosuchmethoderror/14066 )	2023-01-17 14:20:17 -05:00
honeymoose	bf2335eda1	更新 Java 核心的内容	2023-01-17 14:20:17 -05:00
honeymoose	1b3b30cae3	redis 测试类进行测试	2023-01-17 14:18:04 -05:00
honeymoose	4711c3a393	添加文章：- [解决在 Spring Boot 中运行 JUnit 测试遇到的 NoSuchMethodError 错误](https://www.ossez.com/t/spring-boot-junit-nosuchmethoderror/14066 )	2022-08-24 15:29:59 -04:00
honeymoose	05d80c840d	Merge remote-tracking branch 'origin/main' into persistence-modules	2022-08-24 14:24:01 -04:00
YuCheng Hu	77c51720e9	add test for Spring Boot	2022-08-24 14:08:53 -04:00
honeymoose	dc99d9404d	更新 Java 核心的内容	2022-08-22 21:17:14 -04:00
honeymoose	2b1d680b2c	更新 README 文件	2022-08-12 13:30:20 -04:00
honeymoose	3b344e5c9f	Merge pull request 'Java 多行字符串' (#45 ) from persistence-modules into main Reviewed-on: https://src.ossez.com/cwiki-us-docs/java-tutorials/pulls/45	2022-08-08 09:42:32 -04:00
honeymoose	f2c3c2bf0f	Java 多行字符串	2022-08-08 09:36:36 -04:00
honeymoose	b90cdd3306	讨论字符串的的文章	2022-08-08 09:34:55 -04:00
honeymoose	c816787e06	添加核心 Java 的模块，在这里我们主要针对一些环境和 IDE 以及非常基本的问题进行讨论	2022-08-08 09:34:25 -04:00
honeymoose	e8f74069ff	Java “constant string too long” 编译错误	2022-08-06 10:16:50 -04:00
honeymoose	ae29615530	更新 Guava 项目的依赖和 Spring JPA	2022-07-15 14:31:15 -04:00
honeymoose	cd46aea7ac	Merge pull request 'core-java-strings 字符串压缩 Compact' (#43 ) from core-java-strings into main Reviewed-on: https://src.ossez.com/cwiki-us-docs/java-tutorials/pulls/43	2022-07-05 10:21:14 -04:00
				`@@ -0,0 +1 @@`
				`distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.5.2/apache-maven-3.5.2-bin.zip`