Merge branch 'masterEugen'

README.md

@@ -39,3 +39,4 @@ This tutorials project is being built **[>> HERE](https://rest-security.ci.cloud
 
 - [Apache Maven Standard Directory Layout](http://www.baeldung.com/maven-directory-structure)
 - [Apache Maven Tutorial](http://www.baeldung.com/maven)
+- [Designing a User Friendly Java Library](http://www.baeldung.com/design-a-user-friendly-java-library)

algorithms/src/main/java/com/baeldung/algorithms/middleelementlookup/MiddleElementLookup.java

@@ -1,10 +1,8 @@
-package com.baeldung.linkedlist;
+package com.baeldung.algorithms.middleelementlookup;
 
 import java.util.LinkedList;
 import java.util.Optional;
 
-import com.baeldung.linkedlist.Node;
-
 public class MiddleElementLookup {
 
     public static Optional<String> findMiddleElementLinkedList(LinkedList<String> linkedList) {

algorithms/src/main/java/com/baeldung/algorithms/middleelementlookup/Node.java

@@ -1,4 +1,4 @@
-package com.baeldung.linkedlist;
+package com.baeldung.algorithms.middleelementlookup;
 
 public class Node {
     private Node next;

algorithms/src/test/java/algorithms/MiddleElementLookupUnitTest.java

@@ -1,11 +1,13 @@
-package com.baeldung.linkedlist;
+package algorithms;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
+import com.baeldung.algorithms.middleelementlookup.MiddleElementLookup;
+import com.baeldung.algorithms.middleelementlookup.Node;
+import org.junit.Test;
 
 import java.util.LinkedList;
 
-import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
 
 public class MiddleElementLookupUnitTest {
 

algorithms/src/test/java/com/baeldung/algorithms/analysis/AnalysisRunnerLiveTest.java

@@ -0,0 +1,139 @@
+package com.baeldung.algorithms.analysis;
+
+import org.junit.Test;
+
+public class AnalysisRunnerLiveTest {
+
+    int n = 10;
+    int total = 0;
+
+    @Test
+    public void whenConstantComplexity_thenConstantRuntime() {
+
+        System.out.println("**** n = " + n + " ****");
+        System.out.println();
+
+        // Constant Time
+        System.out.println("**** Constant time ****");
+
+        System.out.println("Hey - your input is: " + n);
+        System.out.println("Running time not dependent on input size!");
+        System.out.println();
+    }
+
+    @Test
+    public void whenLogarithmicComplexity_thenLogarithmicRuntime() {
+        // Logarithmic Time
+        System.out.println("**** Logarithmic Time ****");
+        for (int i = 1; i < n; i = i * 2) {
+            // System.out.println("Hey - I'm busy looking at: " + i);
+            total++;
+        }
+        System.out.println("Total amount of times run: " + total);
+        System.out.println();
+    }
+
+    @Test
+    public void whenLinearComplexity_thenLinearRuntime() {
+        // Linear Time
+        System.out.println("**** Linear Time ****");
+        for (int i = 0; i < n; i++) {
+            // System.out.println("Hey - I'm busy looking at: " + i);
+            total++;
+        }
+        System.out.println("Total amount of times run: " + total);
+        System.out.println();
+
+    }
+
+    @Test
+    public void whenNLogNComplexity_thenNLogNRuntime() {
+        // N Log N Time
+        System.out.println("**** nlogn Time ****");
+        total = 0;
+        for (
+
+            int i = 1; i <= n; i++) {
+            for (int j = 1; j < n; j = j * 2) {
+                // System.out.println("Hey - I'm busy looking at: " + i + " and " + j);
+                total++;
+            }
+        }
+        System.out.println("Total amount of times run: " + total);
+        System.out.println();
+    }
+
+    @Test
+    public void whenQuadraticComplexity_thenQuadraticRuntime() {
+        // Quadratic Time
+        System.out.println("**** Quadratic Time ****");
+        total = 0;
+        for (
+
+            int i = 1; i <= n; i++) {
+            for (int j = 1; j <= n; j++) {
+                // System.out.println("Hey - I'm busy looking at: " + i + " and " + j);
+                total++;
+            }
+        }
+        System.out.println("Total amount of times run: " + total);
+        System.out.println();
+    }
+
+    @Test
+    public void whenCubicComplexity_thenCubicRuntime() {
+        // Cubic Time
+        System.out.println("**** Cubic Time ****");
+        total = 0;
+        for (
+
+            int i = 1; i <= n; i++) {
+            for (int j = 1; j <= n; j++) {
+                for (int k = 1; k <= n; k++) {
+                    // System.out.println("Hey - I'm busy looking at: " + i + " and " + j + " and " + k);
+                    total++;
+                }
+            }
+        }
+        System.out.println("Total amount of times run: " + total);
+        System.out.println();
+    }
+
+    @Test
+    public void whenExponentialComplexity_thenExponentialRuntime() {
+        // Exponential Time
+        System.out.println("**** Exponential Time ****");
+        total = 0;
+        for (
+
+            int i = 1; i <= Math.pow(2, n); i++) {
+            // System.out.println("Hey - I'm busy looking at: " + i);
+            total++;
+        }
+        System.out.println("Total amount of times run: " + total);
+        System.out.println();
+    }
+
+    @Test
+    public void whenFactorialComplexity_thenFactorialRuntime() {
+        // Factorial Time
+        System.out.println("**** Factorial Time ****");
+        total = 0;
+        for (
+
+            int i = 1; i <=
+
+            factorial(n); i++) {
+            // System.out.println("Hey - I'm busy looking at: " + i);
+            total++;
+        }
+        System.out.println("Total amount of times run: " + total);
+    }
+
+    static int factorial(int n) {
+        if (n == 0 || n == 1)
+            return 1;
+        else
+            return n * factorial(n - 1);
+    }
+}

core-java-8/README.md

@@ -52,4 +52,4 @@
 - [Measure Elapsed Time in Java](http://www.baeldung.com/java-measure-elapsed-time)
 - [Java Optional – orElse() vs orElseGet()](http://www.baeldung.com/java-optional-or-else-vs-or-else-get)
 - [An Introduction to Java.util.Hashtable Class](http://www.baeldung.com/java-hash-table)
-
+- [Method Parameter Reflection in Java](http://www.baeldung.com/java-parameter-reflection)

core-java-8/src/test/java/com/baeldung/java8/UnsignedArithmeticUnitTest.java

@@ -38,7 +38,7 @@ public class UnsignedArithmeticUnitTest {
         assertEquals(1, Integer.divideUnsigned(negative, positive));
 
         assertEquals(-1, negative % positive);
-        assertEquals(1, Integer.divideUnsigned(negative, positive));
+        assertEquals(1, Integer.remainderUnsigned(negative, positive));
     }
 
     @Test

core-java-9/README.md

@@ -25,3 +25,4 @@
 - [Introduction to Chronicle Queue](http://www.baeldung.com/java-chronicle-queue)
 - [A Guide to Java 9 Modularity](http://www.baeldung.com/java-9-modularity)
 - [Optional orElse Optional](http://www.baeldung.com/java-optional-or-else-optional)
+- [Java 9 java.lang.Module API](http://www.baeldung.com/java-9-module-api)

core-java/README.md

@@ -156,3 +156,7 @@
 - [Flyweight Pattern in Java](http://www.baeldung.com/java-flyweight)
 - [The Observer Pattern in Java](http://www.baeldung.com/java-observer-pattern)
 - [Service Locator Pattern](http://www.baeldung.com/java-service-locator-pattern)
+- [The Thread.join() Method in Java](http://www.baeldung.com/java-thread-join)
+- [Guide to the super Java Keyword](http://www.baeldung.com/java-super)
+- [Guide to the this Java Keyword](http://www.baeldung.com/java-this)
+- [Jagged Arrays In Java](http://www.baeldung.com/java-jagged-arrays)

core-java/src/main/java/com/baeldung/accessmodifiers/Public.java

@@ -0,0 +1,9 @@
+package com.baeldung.accessmodifiers;
+
+public class Public {
+    public Public() {
+        SuperPublic.publicMethod(); // Available everywhere.
+        SuperPublic.protectedMethod(); // Available in the same package or subclass.
+        SuperPublic.defaultMethod(); // Available in the same package.
+    }
+}

core-java/src/main/java/com/baeldung/accessmodifiers/SubClass.java

@@ -0,0 +1,9 @@
+package com.baeldung.accessmodifiers;
+
+public class SubClass extends SuperPublic {
+    public SubClass() {
+        SuperPublic.publicMethod(); // Available everywhere.
+        SuperPublic.protectedMethod(); // Available in the same package or subclass.
+        SuperPublic.defaultMethod(); // Available in the same package.
+    }
+}

core-java/src/main/java/com/baeldung/accessmodifiers/SuperPublic.java

@@ -0,0 +1,39 @@
+package com.baeldung.accessmodifiers;
+
+//Only public or default access modifiers are permitted
+public class SuperPublic {
+    // Always available from anywhere
+    static public void publicMethod() {
+        System.out.println(SuperPublic.class.getName() + " publicMethod()");
+    }
+    
+    // Available within the same package
+    static void defaultMethod() {
+        System.out.println(SuperPublic.class.getName() + " defaultMethod()");
+    }
+    
+    // Available within the same package and subclasses
+    static protected void protectedMethod() {
+        System.out.println(SuperPublic.class.getName() + " protectedMethod()");
+    }
+    
+    // Available within the same class only
+    static private void privateMethod() {
+        System.out.println(SuperPublic.class.getName() + " privateMethod()");
+    }
+    
+    // Method in the same class = has access to all members within the same class
+    private void anotherPrivateMethod() {
+        privateMethod();
+        defaultMethod();
+        protectedMethod();
+        publicMethod(); // Available in the same class only.
+    }
+}
+
+// Only public or default access modifiers are permitted
+class SuperDefault {
+    public void publicMethod() {
+        System.out.println(this.getClass().getName() + " publicMethod()");
+    }
+}

core-java/src/main/java/com/baeldung/accessmodifiers/another/AnotherPublic.java

@@ -0,0 +1,9 @@
+package com.baeldung.accessmodifiers.another;
+
+import com.baeldung.accessmodifiers.SuperPublic;
+
+public class AnotherPublic {
+    public AnotherPublic() {
+        SuperPublic.publicMethod(); // Available everywhere.
+    }
+}

core-java/src/main/java/com/baeldung/accessmodifiers/another/AnotherSubClass.java

@@ -0,0 +1,10 @@
+package com.baeldung.accessmodifiers.another;
+
+import com.baeldung.accessmodifiers.SuperPublic;
+
+public class AnotherSubClass extends SuperPublic {
+    public AnotherSubClass() {
+        SuperPublic.publicMethod(); // Available everywhere.
+        SuperPublic.protectedMethod(); // Available in subclass. Let's note different package.
+    }
+}

core-java/src/main/java/com/baeldung/accessmodifiers/another/AnotherSuperPublic.java

@@ -0,0 +1,9 @@
+package com.baeldung.accessmodifiers.another;
+
+import com.baeldung.accessmodifiers.SuperPublic;
+
+public class AnotherSuperPublic {
+    public AnotherSuperPublic() {
+        SuperPublic.publicMethod(); // Available everywhere. Let's note different package.
+    }
+}

core-java/src/main/java/com/baeldung/extension/Extension.java

@@ -3,18 +3,18 @@ package com.baeldung.extension;
 import com.google.common.io.Files;
 import org.apache.commons.io.FilenameUtils;
 
+import java.util.Optional;
+
 public class Extension {
     //Instead of file name we can also specify full path of a file eg. /baeldung/com/demo/abc.java
     public String getExtensionByApacheCommonLib(String filename) {
         return FilenameUtils.getExtension(filename);
     }
 
-    public String getExtensionByStringHandling(String filename) {
-        String fileExtension = "";
-        if (filename.contains(".") && filename.lastIndexOf(".") != 0) {
-            fileExtension = filename.substring(filename.lastIndexOf(".") + 1);
-        }
-        return fileExtension;
+    public Optional<String> getExtensionByStringHandling(String filename) {
+        return Optional.ofNullable(filename)
+                       .filter(f -> f.contains("."))
+                      .map(f -> f.substring(filename.lastIndexOf(".") + 1));
     }
 
     public String getExtensionByGuava(String filename) {

core-java/src/test/java/com/baeldung/extension/ExtensionUnitTest.java

@@ -3,6 +3,8 @@ package com.baeldung.extension;
 import org.junit.Assert;
 import org.junit.Test;
 
+import java.util.Optional;
+
 public class ExtensionUnitTest {
     private Extension extension = new Extension();
 
@@ -16,8 +18,9 @@ public class ExtensionUnitTest {
     @Test
     public void getExtension_whenStringHandle_thenExtensionIsTrue() {
         String expectedExtension = "java";
-        String actualExtension = extension.getExtensionByStringHandling("Demo.java");
-        Assert.assertEquals(expectedExtension, actualExtension);
+        Optional<String> actualExtension = extension.getExtensionByStringHandling("Demo.java");
+        Assert.assertTrue(actualExtension.isPresent());
+        actualExtension.ifPresent(ext -> Assert.assertEquals(expectedExtension,ext));
     }
 
     @Test

deltaspike/pom.xml

@@ -9,6 +9,13 @@
     <name>deltaspike</name>
     <description>A starter Java EE 7 webapp which uses DeltaSpike</description>
     <url>http://wildfly.org</url>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-modules</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+
     <licenses>
         <license>
             <name>Apache License, Version 2.0</name>
@@ -16,12 +23,12 @@
             <url>http://www.apache.org/licenses/LICENSE-2.0.html</url>
         </license>
     </licenses>
-
-    <parent>
-        <groupId>com.baeldung</groupId>
-        <artifactId>parent-modules</artifactId>
-        <version>1.0.0-SNAPSHOT</version>
-    </parent>
+    <repositories>
+        <repository>
+            <id>redhat-repository-techpreview</id>
+            <url>https://maven.repository.redhat.com/techpreview/all/</url>
+        </repository>
+    </repositories>
 
     <dependencyManagement>
         <dependencies>
@@ -47,6 +54,13 @@
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
+            <dependency>
+                <groupId>org.apache.deltaspike.distribution</groupId>
+                <artifactId>distributions-bom</artifactId>
+                <version>${deltaspike.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 
@@ -160,14 +174,12 @@
         <dependency>
             <groupId>org.apache.deltaspike.modules</groupId>
             <artifactId>deltaspike-data-module-api</artifactId>
-            <version>${deltaspike.version}</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>org.apache.deltaspike.modules</groupId>
             <artifactId>deltaspike-data-module-impl</artifactId>
-            <version>${deltaspike.version}</version>
             <scope>runtime</scope>
         </dependency>
 
@@ -184,6 +196,71 @@
             <artifactId>querydsl-jpa</artifactId>
             <version>${querydsl.version}</version>
         </dependency>
+
+        <dependency>
+            <groupId>org.apache.deltaspike.modules</groupId>
+            <artifactId>deltaspike-test-control-module-api</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.deltaspike.modules</groupId>
+            <artifactId>deltaspike-test-control-module-impl</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.deltaspike.cdictrl</groupId>
+            <artifactId>deltaspike-cdictrl-weld</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.jboss.weld.se</groupId>
+            <artifactId>weld-se-core</artifactId>
+            <version>${weld.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.hibernate</groupId>
+            <artifactId>hibernate-core</artifactId>
+            <scope>provided</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.jboss</groupId>
+            <artifactId>jandex</artifactId>
+            <version>1.2.5.Final-redhat-1</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <version>1.4.197</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.hibernate</groupId>
+            <artifactId>hibernate-entitymanager</artifactId>
+            <scope>provided</scope>
+        </dependency>
+
+        <!-- Needed for running tests (you may also use TestNG) -->
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <!-- Others -->
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>3.5</version>
+        </dependency>
+
     </dependencies>
 
     <build>
@@ -226,28 +303,6 @@
     </build>
 
     <profiles>
-        <profile>
-            <!-- The default profile skips all tests, though you can tune it to run
-                just unit tests based on a custom pattern -->
-            <!-- Seperate profiles are provided for running all tests, including Arquillian
-                tests that execute in the specified container -->
-            <id>default</id>
-            <activation>
-                <activeByDefault>true</activeByDefault>
-            </activation>
-            <build>
-                <plugins>
-                    <plugin>
-                        <artifactId>maven-surefire-plugin</artifactId>
-                        <version>${maven-surefire-plugin.version}</version>
-                        <configuration>
-                            <skip>true</skip>
-                        </configuration>
-                    </plugin>
-                </plugins>
-            </build>
-        </profile>
-
         <profile>
 
             <!-- An optional Arquillian testing profile that executes tests in your
@@ -273,15 +328,18 @@
             resources, i.e. build is platform dependent! -->
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <querydsl.version>3.7.4</querydsl.version>
-        <deltaspike.version>1.7.2</deltaspike.version>
+        <deltaspike.version>1.8.2</deltaspike.version>
         <!-- JBoss dependency versions -->
         <wildfly.maven.plugin.version>1.0.2.Final</wildfly.maven.plugin.version>
         <!-- Define the version of the JBoss BOMs we want to import to specify
             tested stacks. -->
-        <jboss.bom.version>8.2.2.Final</jboss.bom.version>
+        <jboss.bom.version>8.2.1.Final</jboss.bom.version>
+        <weld.version>2.1.2.Final</weld.version>
         <!-- other plugin versions -->
         <war.plugin.version>2.6</war.plugin.version>
         <apt-maven-plugin.version>1.1.3</apt-maven-plugin.version>
+        <maven.compiler.target>1.8</maven.compiler.target>
+        <maven.compiler.source>1.8</maven.compiler.source>
     </properties>
 
 </project>

deltaspike/src/main/java/baeldung/controller/MemberController.java

@@ -16,6 +16,9 @@
  */
 package baeldung.controller;
 
+import baeldung.model.Member;
+import baeldung.service.MemberRegistration;
+
 import javax.annotation.PostConstruct;
 import javax.enterprise.inject.Model;
 import javax.enterprise.inject.Produces;
@@ -24,9 +27,6 @@ import javax.faces.context.FacesContext;
 import javax.inject.Inject;
 import javax.inject.Named;
 
-import baeldung.model.Member;
-import baeldung.service.MemberRegistration;
-
 // The @Model stereotype is a convenience mechanism to make this a request-scoped bean that has an
 // EL name
 // Read more about the @Model stereotype in this FAQ:
@@ -34,11 +34,9 @@ import baeldung.service.MemberRegistration;
 @Model
 public class MemberController {
 
-    @Inject
-    private FacesContext facesContext;
+    @Inject private FacesContext facesContext;
 
-    @Inject
-    private MemberRegistration memberRegistration;
+    @Inject private MemberRegistration memberRegistration;
 
     @Produces
     @Named

deltaspike/src/main/java/baeldung/data/EntityManagerProducer.java

@@ -1,29 +1,18 @@
 package baeldung.data;
 
-import javax.enterprise.context.ApplicationScoped;
 import javax.enterprise.context.RequestScoped;
-import javax.enterprise.inject.Default;
-import javax.enterprise.inject.Disposes;
 import javax.enterprise.inject.Produces;
 import javax.persistence.EntityManager;
-import javax.persistence.EntityManagerFactory;
-import javax.persistence.PersistenceUnit;
+import javax.persistence.PersistenceContext;
 
-@ApplicationScoped
 public class EntityManagerProducer {
-    @PersistenceUnit(unitName = "primary")
-    private EntityManagerFactory entityManagerFactory;
 
-    @Produces
-    @Default
+    @PersistenceContext(unitName = "primary") private EntityManager entityManager;
+
     @RequestScoped
+    @Produces
     public EntityManager create() {
-        return this.entityManagerFactory.createEntityManager();
+        return entityManager;
     }
 
-    public void dispose(@Disposes @Default EntityManager entityManager) {
-        if (entityManager.isOpen()) {
-            entityManager.close();
-        }
-    }
 }

deltaspike/src/main/java/baeldung/data/MemberListProducer.java

@@ -16,6 +16,8 @@
  */
 package baeldung.data;
 
+import baeldung.model.Member;
+
 import javax.annotation.PostConstruct;
 import javax.enterprise.context.RequestScoped;
 import javax.enterprise.event.Observes;
@@ -25,13 +27,10 @@ import javax.inject.Inject;
 import javax.inject.Named;
 import java.util.List;
 
-import baeldung.model.Member;
-
 @RequestScoped
 public class MemberListProducer {
 
-    @Inject
-    private MemberRepository memberRepository;
+    @Inject private MemberRepository memberRepository;
 
     private List<Member> members;
 

deltaspike/src/main/java/baeldung/data/MemberRepository.java

@@ -18,7 +18,10 @@ package baeldung.data;
 
 import baeldung.model.Member;
 import baeldung.model.QMember;
-import org.apache.deltaspike.data.api.*;
+import org.apache.deltaspike.data.api.AbstractEntityRepository;
+import org.apache.deltaspike.data.api.EntityManagerConfig;
+import org.apache.deltaspike.data.api.Query;
+import org.apache.deltaspike.data.api.Repository;
 
 import java.util.List;
 
@@ -35,6 +38,9 @@ public abstract class MemberRepository extends AbstractEntityRepository<Member,
 
     public List<Member> findAllOrderedByNameWithQueryDSL() {
         final QMember member = QMember.member;
-        return jpaQuery().from(member).orderBy(member.email.asc()).list(member);
+        return jpaQuery()
+          .from(member)
+          .orderBy(member.email.asc())
+          .list(member);
     }
 }

deltaspike/src/main/java/baeldung/data/QueryDslRepositoryExtension.java

@@ -8,8 +8,7 @@ import javax.inject.Inject;
 
 public class QueryDslRepositoryExtension<E> implements QueryDslSupport, DelegateQueryHandler {
 
-    @Inject
-    private QueryInvocationContext context;
+    @Inject private QueryInvocationContext context;
 
     @Override
     public JPAQuery jpaQuery() {

deltaspike/src/main/java/baeldung/data/SecondaryEntityManagerProducer.java

@@ -2,29 +2,20 @@ package baeldung.data;
 
 import javax.enterprise.context.ApplicationScoped;
 import javax.enterprise.context.RequestScoped;
-import javax.enterprise.inject.Default;
-import javax.enterprise.inject.Disposes;
 import javax.enterprise.inject.Produces;
 import javax.persistence.EntityManager;
-import javax.persistence.EntityManagerFactory;
-import javax.persistence.PersistenceUnit;
+import javax.persistence.PersistenceContext;
 
 @ApplicationScoped
 public class SecondaryEntityManagerProducer {
-    @PersistenceUnit(unitName = "secondary")
-    private EntityManagerFactory entityManagerFactory;
+
+    @PersistenceContext(unitName = "secondary") private EntityManager entityManager;
 
     @Produces
-    @Default
     @RequestScoped
     @SecondaryPersistenceUnit
     public EntityManager create() {
-        return this.entityManagerFactory.createEntityManager();
+        return entityManager;
     }
 
-    public void dispose(@Disposes @Default EntityManager entityManager) {
-        if (entityManager.isOpen()) {
-            entityManager.close();
-        }
-    }
 }

deltaspike/src/main/java/baeldung/data/SimpleUserRepository.java

@@ -0,0 +1,45 @@
+package baeldung.data;
+
+import baeldung.model.User;
+import org.apache.deltaspike.data.api.FirstResult;
+import org.apache.deltaspike.data.api.MaxResults;
+import org.apache.deltaspike.data.api.Repository;
+
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * Created by adam.
+ */
+@Repository(forEntity = User.class)
+public abstract class SimpleUserRepository {
+    public abstract Collection<User> findAll();
+
+    public abstract Collection<User> findAllOrderByFirstNameAsc(@FirstResult int start, @MaxResults int size);
+
+    public abstract Collection<User> findTop2OrderByFirstNameAsc();
+
+    public abstract Collection<User> findFirst2OrderByFirstNameAsc();
+
+    public abstract List<User> findAllOrderByFirstNameAsc();
+
+    public abstract List<User> findAllOrderByFirstNameAscLastNameDesc();
+
+    public abstract User findById(Long id);
+
+    public abstract Collection<User> findByFirstName(String firstName);
+
+    public abstract User findAnyByLastName(String lastName);
+
+    public abstract Collection<User> findAnyByFirstName(String firstName);
+
+    public abstract Collection<User> findByFirstNameAndLastName(String firstName, String lastName);
+
+    public abstract Collection<User> findByFirstNameOrLastName(String firstName, String lastName);
+
+    public abstract Collection<User> findByAddress_city(String city);
+
+    public abstract int count();
+
+    public abstract void remove(User user);
+}

deltaspike/src/main/java/baeldung/data/UserRepository.java

@@ -0,0 +1,31 @@
+package baeldung.data;
+
+import baeldung.model.User;
+import org.apache.deltaspike.data.api.AbstractEntityRepository;
+import org.apache.deltaspike.data.api.Query;
+import org.apache.deltaspike.data.api.Repository;
+
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * Created by adam.
+ */
+@Repository
+public abstract class UserRepository extends AbstractEntityRepository<User, Long> {
+
+    public List<User> findByFirstName(String firstName) {
+        return typedQuery("select u from User u where u.firstName = ?1")
+          .setParameter(1, firstName)
+          .getResultList();
+    }
+
+    public abstract List<User> findByLastName(String lastName);
+
+    @Query("select u from User u where u.firstName = ?1")
+    public abstract Collection<User> findUsersWithFirstName(String firstName);
+
+    @Query(value = "select * from User where firstName = ?1", isNative = true)
+    public abstract Collection<User> findUsersWithFirstNameNative(String firstName);
+
+}

deltaspike/src/main/java/baeldung/model/Address.java

@@ -0,0 +1,51 @@
+package baeldung.model;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+/**
+ * Created by adam.
+ */
+@Entity
+public class Address {
+
+    @Id
+    @GeneratedValue
+    private Long id;
+    private String street;
+    private String city;
+    private String postCode;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getStreet() {
+        return street;
+    }
+
+    public void setStreet(String street) {
+        this.street = street;
+    }
+
+    public String getCity() {
+        return city;
+    }
+
+    public void setCity(String city) {
+        this.city = city;
+    }
+
+    public String getPostCode() {
+        return postCode;
+    }
+
+    public void setPostCode(String postCode) {
+        this.postCode = postCode;
+    }
+}

deltaspike/src/main/java/baeldung/model/Member.java

@@ -16,22 +16,16 @@
  */
 package baeldung.model;
 
-import java.io.Serializable;
+import org.hibernate.validator.constraints.Email;
+import org.hibernate.validator.constraints.NotEmpty;
 
-import javax.persistence.Column;
-import javax.persistence.Entity;
-import javax.persistence.GeneratedValue;
-import javax.persistence.Id;
-import javax.persistence.Table;
-import javax.persistence.UniqueConstraint;
+import javax.persistence.*;
 import javax.validation.constraints.Digits;
 import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Pattern;
 import javax.validation.constraints.Size;
 import javax.xml.bind.annotation.XmlRootElement;
-
-import org.hibernate.validator.constraints.Email;
-import org.hibernate.validator.constraints.NotEmpty;
+import java.io.Serializable;
 
 @SuppressWarnings("serial")
 @Entity

deltaspike/src/main/java/baeldung/model/User.java

@@ -0,0 +1,52 @@
+package baeldung.model;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.OneToOne;
+
+/**
+ * Created by adam.
+ */
+@Entity
+public class User {
+
+    @Id
+    @GeneratedValue
+    private Long id;
+    private String firstName;
+    private String lastName;
+    @OneToOne private Address address;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+
+    public Address getAddress() {
+        return address;
+    }
+
+    public void setAddress(Address address) {
+        this.address = address;
+    }
+}

deltaspike/src/main/resources/META-INF/beans.xml

@@ -0,0 +1,5 @@
+<beans xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xsi:schemaLocation="
+        http://xmlns.jcp.org/xml/ns/javaee
+        http://xmlns.jcp.org/xml/ns/javaee/beans_1_1.xsd" bean-discovery-mode="all">
+</beans>