dupirefr/dupire.francois+pro@gmail.com [BAEL-1981] Spring data jpa dates (#4795)

* [BAEL-1981] Article entity and repository + tests

* [BAEL-1981] Removing unnecessary fields

* [BAEL-1981] spring-data-jpa module creation

spring-data-jpa/pom.xml

@@ -0,0 +1,26 @@
+<?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">
+    <parent>
+        <artifactId>parent-boot-2</artifactId>
+        <groupId>com.baeldung</groupId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../parent-boot-2</relativePath>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>spring-data-jpa</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+        </dependency>
+    </dependencies>
+
+</project>

spring-data-jpa/src/main/java/com/baeldung/Application.java

@@ -0,0 +1,14 @@
+package com.baeldung;
+
+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);
+    }
+}

spring-data-jpa/src/main/java/com/baeldung/domain/Article.java

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+package com.baeldung.domain;
+
+import javax.persistence.*;
+import java.util.Date;
+
+@Entity
+public class Article {
+
+    @Id
+    @GeneratedValue
+    private Integer id;
+    @Temporal(TemporalType.DATE)
+    private Date publicationDate;
+    @Temporal(TemporalType.TIME)
+    private Date publicationTime;
+    @Temporal(TemporalType.TIMESTAMP)
+    private Date creationDateTime;
+
+    public Integer getId() {
+        return id;
+    }
+
+}

spring-data-jpa/src/main/java/com/baeldung/repository/ArticleRepository.java

@@ -0,0 +1,22 @@
+package com.baeldung.repository;
+
+import com.baeldung.domain.Article;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+
+import java.util.Date;
+import java.util.List;
+
+public interface ArticleRepository extends JpaRepository<Article, Integer> {
+
+    List<Article> findAllByPublicationDate(Date publicationDate);
+
+    List<Article> findAllByPublicationTimeBetween(Date publicationTimeStart,
+                                                  Date publicationTimeEnd);
+
+    @Query("select a from Article a where a.creationDateTime <= :creationDateTime")
+    List<Article> findAllWithCreationDateTimeBefore(
+      @Param("creationDateTime") Date creationDateTime);
+
+}

spring-data-jpa/src/test/java/com/baeldung/repository/ArticleRepositoryIntegrationTest.java

@@ -0,0 +1,67 @@
+package com.baeldung.repository;
+
+import com.baeldung.domain.Article;
+import com.baeldung.repository.ArticleRepository;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import java.text.SimpleDateFormat;
+import java.util.Arrays;
+import java.util.List;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+@RunWith(SpringRunner.class)
+@DataJpaTest
+public class ArticleRepositoryIntegrationTest {
+
+    @Autowired
+    private ArticleRepository repository;
+
+    @Test
+    public void givenImportedArticlesWhenFindAllByPublicationDateThenArticles1And2Returned()
+      throws Exception {
+        List<Article> result = repository.findAllByPublicationDate(
+          new SimpleDateFormat("yyyy-MM-dd").parse("2018-01-01")
+        );
+
+        assertEquals(2, result.size());
+        assertTrue(result.stream()
+          .map(Article::getId)
+          .allMatch(id -> Arrays.asList(1, 2).contains(id))
+        );
+    }
+
+    @Test
+    public void givenImportedArticlesWhenFindAllByPublicationTimeBetweenThenArticles2And3Returned()
+      throws Exception {
+        List<Article> result = repository.findAllByPublicationTimeBetween(
+          new SimpleDateFormat("HH:mm").parse("15:15"),
+          new SimpleDateFormat("HH:mm").parse("16:30")
+        );
+
+        assertEquals(2, result.size());
+        assertTrue(result.stream()
+          .map(Article::getId)
+          .allMatch(id -> Arrays.asList(2, 3).contains(id))
+        );
+    }
+
+    @Test
+    public void givenImportedArticlesWhenFindAllWithCreationDateTimeBeforeThenArticles2And3Returned() throws Exception {
+        List<Article> result = repository.findAllWithCreationDateTimeBefore(
+          new SimpleDateFormat("yyyy-MM-dd HH:mm").parse("2017-12-15 10:00")
+        );
+
+        assertEquals(2, result.size());
+        assertTrue(result.stream()
+          .map(Article::getId)
+          .allMatch(id -> Arrays.asList(2, 3).contains(id))
+        );
+    }
+
+}

spring-data-jpa/src/test/resources/application.properties

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+# spring.datasource.x
+spring.datasource.driver-class-name=org.h2.Driver
+spring.datasource.url=jdbc:h2:mem:db;DB_CLOSE_DELAY=-1
+spring.datasource.username=sa
+spring.datasource.password=sa
+
+# hibernate.X
+hibernate.dialect=org.hibernate.dialect.H2Dialect
+hibernate.show_sql=true
+hibernate.hbm2ddl.auto=create-drop
+hibernate.cache.use_second_level_cache=true
+hibernate.cache.use_query_cache=true
+hibernate.cache.region.factory_class=org.hibernate.cache.ehcache.EhCacheRegionFactory
+
+spring.datasource.data=import_articles.sql

spring-data-jpa/src/test/resources/import_articles.sql

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+insert into Article(id, publication_date, publication_time, creation_date_time) values(1, TO_DATE('01/01/2018', 'DD/MM/YYYY'), TO_DATE('15:00', 'HH24:MI'), TO_DATE('31/12/2017 07:30', 'DD/MM/YYYY HH24:MI'));
+insert into Article(id, publication_date, publication_time, creation_date_time) values(2, TO_DATE('01/01/2018', 'DD/MM/YYYY'), TO_DATE('15:30', 'HH24:MI'), TO_DATE('15/12/2017 08:00', 'DD/MM/YYYY HH24:MI'));
+insert into Article(id, publication_date, publication_time, creation_date_time) values(3, TO_DATE('15/12/2017', 'DD/MM/YYYY'), TO_DATE('16:00', 'HH24:MI'), TO_DATE('01/12/2017 13:45', 'DD/MM/YYYY HH24:MI'));