BAEL-2520 code moved to java-jpa module (#6525)
* BAEL-2520 code changes done * BAEL-2520 moved code to java-jpa module * BAEL-2520 moved code to java-jpa module
This commit is contained in:
parent
2cdae3f8b9
commit
527e3440ac
|
@ -0,0 +1,49 @@
|
|||
package com.baeldung.jpa.criteria.entity;
|
||||
|
||||
import javax.persistence.Entity;
|
||||
import javax.persistence.Id;
|
||||
import javax.persistence.Table;
|
||||
|
||||
@Table(name = "item")
|
||||
@Entity
|
||||
public class Item {
|
||||
|
||||
@Id
|
||||
private Long id;
|
||||
private String color;
|
||||
private String grade;
|
||||
private String name;
|
||||
|
||||
public String getColor() {
|
||||
return color;
|
||||
}
|
||||
|
||||
public String getGrade() {
|
||||
return grade;
|
||||
}
|
||||
|
||||
public Long getId() {
|
||||
return id;
|
||||
}
|
||||
|
||||
public String getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
public void setColor(String color) {
|
||||
this.color = color;
|
||||
}
|
||||
|
||||
public void setGrade(String grade) {
|
||||
this.grade = grade;
|
||||
}
|
||||
|
||||
public void setId(Long id) {
|
||||
this.id = id;
|
||||
}
|
||||
|
||||
public void setName(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
}
|
|
@ -0,0 +1,12 @@
|
|||
package com.baeldung.jpa.criteria.repository;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
import com.baeldung.jpa.criteria.entity.Item;
|
||||
|
||||
public interface CustomItemRepository {
|
||||
|
||||
List<Item> findItemsByColorAndGrade();
|
||||
|
||||
List<Item> findItemByColorOrGrade();
|
||||
}
|
|
@ -0,0 +1,77 @@
|
|||
package com.baeldung.jpa.criteria.repository.impl;
|
||||
|
||||
import java.util.HashMap;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
|
||||
import javax.persistence.EntityManager;
|
||||
import javax.persistence.EntityManagerFactory;
|
||||
import javax.persistence.Persistence;
|
||||
import javax.persistence.criteria.CriteriaBuilder;
|
||||
import javax.persistence.criteria.CriteriaQuery;
|
||||
import javax.persistence.criteria.Predicate;
|
||||
import javax.persistence.criteria.Root;
|
||||
|
||||
import com.baeldung.jpa.criteria.entity.Item;
|
||||
import com.baeldung.jpa.criteria.repository.CustomItemRepository;
|
||||
|
||||
public class CustomItemRepositoryImpl implements CustomItemRepository {
|
||||
|
||||
private EntityManager entityManager;
|
||||
|
||||
public CustomItemRepositoryImpl() {
|
||||
super();
|
||||
EntityManagerFactory factory = Persistence.createEntityManagerFactory("jpa-h2-criteria");
|
||||
entityManager = factory.createEntityManager();
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<Item> findItemsByColorAndGrade() {
|
||||
|
||||
CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
|
||||
CriteriaQuery<Item> criteriaQuery = criteriaBuilder.createQuery(Item.class);
|
||||
Root<Item> itemRoot = criteriaQuery.from(Item.class);
|
||||
|
||||
Predicate predicateForBlueColor = criteriaBuilder.equal(itemRoot.get("color"), "blue");
|
||||
Predicate predicateForRedColor = criteriaBuilder.equal(itemRoot.get("color"), "red");
|
||||
Predicate predicateForColor = criteriaBuilder.or(predicateForBlueColor, predicateForRedColor);
|
||||
|
||||
Predicate predicateForGradeA = criteriaBuilder.equal(itemRoot.get("grade"), "A");
|
||||
Predicate predicateForGradeB = criteriaBuilder.equal(itemRoot.get("grade"), "B");
|
||||
Predicate predicateForGrade = criteriaBuilder.or(predicateForGradeA, predicateForGradeB);
|
||||
|
||||
// final search filter
|
||||
Predicate finalPredicate = criteriaBuilder.and(predicateForColor, predicateForGrade);
|
||||
|
||||
criteriaQuery.where(finalPredicate);
|
||||
|
||||
List<Item> items = entityManager.createQuery(criteriaQuery)
|
||||
.getResultList();
|
||||
return items;
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<Item> findItemByColorOrGrade() {
|
||||
|
||||
CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
|
||||
CriteriaQuery<Item> criteriaQuery = criteriaBuilder.createQuery(Item.class);
|
||||
Root<Item> itemRoot = criteriaQuery.from(Item.class);
|
||||
|
||||
Predicate predicateForBlueColor = criteriaBuilder.equal(itemRoot.get("color"), "red");
|
||||
Predicate predicateForGradeA = criteriaBuilder.equal(itemRoot.get("grade"), "D");
|
||||
Predicate predicateForBlueColorAndGradeA = criteriaBuilder.and(predicateForBlueColor, predicateForGradeA);
|
||||
|
||||
Predicate predicateForRedColor = criteriaBuilder.equal(itemRoot.get("color"), "blue");
|
||||
Predicate predicateForGradeB = criteriaBuilder.equal(itemRoot.get("grade"), "B");
|
||||
Predicate predicateForRedColorAndGradeB = criteriaBuilder.and(predicateForRedColor, predicateForGradeB);
|
||||
|
||||
// final search filter
|
||||
Predicate finalPredicate = criteriaBuilder.or(predicateForBlueColorAndGradeA, predicateForRedColorAndGradeB);
|
||||
|
||||
criteriaQuery.where(finalPredicate);
|
||||
|
||||
List<Item> items = entityManager.createQuery(criteriaQuery)
|
||||
.getResultList();
|
||||
return items;
|
||||
}
|
||||
}
|
|
@ -1,91 +1,112 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
|
||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
|
||||
http://xmlns.jcp.org/xml/ns/persistence/persistence_2_2.xsd"
|
||||
version="2.2">
|
||||
|
||||
<persistence-unit name="java-jpa-scheduled-day">
|
||||
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
|
||||
<class>com.baeldung.sqlresultsetmapping.ScheduledDay</class>
|
||||
<class>com.baeldung.sqlresultsetmapping.Employee</class>
|
||||
<exclude-unlisted-classes>true</exclude-unlisted-classes>
|
||||
<properties>
|
||||
<property name="javax.persistence.jdbc.driver" value="org.h2.Driver"/>
|
||||
<property name="javax.persistence.jdbc.url"
|
||||
value="jdbc:h2:mem:test;INIT=RUNSCRIPT FROM 'classpath:database.sql'"/>
|
||||
<property name="javax.persistence.jdbc.user" value="sa"/>
|
||||
<property name="javax.persistence.jdbc.password" value=""/>
|
||||
<property name="hibernate.dialect" value="org.hibernate.dialect.H2Dialect"/>
|
||||
<!--<property name="hibernate.hbm2ddl.auto" value="create-drop" />-->
|
||||
<property name="show_sql" value="true"/>
|
||||
<property name="hibernate.temp.use_jdbc_metadata_defaults" value="false"/>
|
||||
</properties>
|
||||
</persistence-unit>
|
||||
|
||||
<persistence-unit name="jpa-h2">
|
||||
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
|
||||
<class>com.baeldung.jpa.stringcast.Message</class>
|
||||
<exclude-unlisted-classes>true</exclude-unlisted-classes>
|
||||
<properties>
|
||||
<property name="javax.persistence.jdbc.driver" value="org.h2.Driver"/>
|
||||
<property name="javax.persistence.jdbc.url" value="jdbc:h2:mem:test"/>
|
||||
<property name="javax.persistence.jdbc.user" value="sa"/>
|
||||
<property name="javax.persistence.jdbc.password" value=""/>
|
||||
<property name="hibernate.dialect" value="org.hibernate.dialect.H2Dialect"/>
|
||||
<property name="hibernate.hbm2ddl.auto" value="create-drop"/>
|
||||
<property name="show_sql" value="true"/>
|
||||
<property name="hibernate.temp.use_jdbc_metadata_defaults" value="false"/>
|
||||
</properties>
|
||||
</persistence-unit>
|
||||
|
||||
<persistence-unit name="jpa-db">
|
||||
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
|
||||
<class>com.baeldung.jpa.model.Car</class>
|
||||
<exclude-unlisted-classes>true</exclude-unlisted-classes>
|
||||
<properties>
|
||||
<property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
|
||||
<property name="javax.persistence.jdbc.url" value="jdbc:mysql://127.0.0.1:3306/baeldung"/>
|
||||
<property name="javax.persistence.jdbc.user" value="baeldung"/>
|
||||
<property name="javax.persistence.jdbc.password" value="YourPassword"/>
|
||||
<property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect"/>
|
||||
<property name="hibernate.show_sql" value="true"/>
|
||||
</properties>
|
||||
</persistence-unit>
|
||||
|
||||
<persistence-unit name="entity-graph-pu" transaction-type="RESOURCE_LOCAL">
|
||||
<class>com.baeldung.jpa.entitygraph.model.Post</class>
|
||||
<class>com.baeldung.jpa.entitygraph.model.User</class>
|
||||
<class>com.baeldung.jpa.entitygraph.model.Comment</class>
|
||||
<exclude-unlisted-classes>true</exclude-unlisted-classes>
|
||||
<properties>
|
||||
|
||||
<!--H2-->
|
||||
<property name="javax.persistence.jdbc.driver" value="org.h2.Driver"/>
|
||||
<property name="javax.persistence.jdbc.url"
|
||||
value="jdbc:h2:mem:entitygraphdb;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE"/>
|
||||
|
||||
<property name="javax.persistence.schema-generation.database.action" value="drop-and-create"/>
|
||||
<property name="javax.persistence.sql-load-script-source" value="data-init.sql"/>
|
||||
</properties>
|
||||
</persistence-unit>
|
||||
|
||||
<persistence-unit name="java8-datetime-postgresql" transaction-type="RESOURCE_LOCAL">
|
||||
<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
|
||||
<class>com.baeldung.jpa.datetime.JPA22DateTimeEntity</class>
|
||||
<exclude-unlisted-classes>true</exclude-unlisted-classes>
|
||||
<properties>
|
||||
<property name="javax.persistence.jdbc.driver" value="org.postgresql.Driver"/>
|
||||
<property name="javax.persistence.jdbc.url" value="jdbc:postgresql://localhost:5432/java8-datetime2"/>
|
||||
<property name="javax.persistence.jdbc.user" value="postgres"/>
|
||||
<property name="javax.persistence.jdbc.password" value="postgres"/>
|
||||
<property name="javax.persistence.schema-generation.database.action" value="drop-and-create"/>
|
||||
|
||||
<!-- configure logging -->
|
||||
<property name="eclipselink.logging.level" value="INFO"/>
|
||||
<property name="eclipselink.logging.level.sql" value="FINE"/>
|
||||
<property name="eclipselink.logging.parameters" value="true"/>
|
||||
</properties>
|
||||
</persistence-unit>
|
||||
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
|
||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
|
||||
http://xmlns.jcp.org/xml/ns/persistence/persistence_2_2.xsd"
|
||||
version="2.2">
|
||||
|
||||
<persistence-unit name="java-jpa-scheduled-day">
|
||||
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
|
||||
<class>com.baeldung.sqlresultsetmapping.ScheduledDay</class>
|
||||
<class>com.baeldung.sqlresultsetmapping.Employee</class>
|
||||
<exclude-unlisted-classes>true</exclude-unlisted-classes>
|
||||
<properties>
|
||||
<property name="javax.persistence.jdbc.driver" value="org.h2.Driver"/>
|
||||
<property name="javax.persistence.jdbc.url"
|
||||
value="jdbc:h2:mem:test;INIT=RUNSCRIPT FROM 'classpath:database.sql'"/>
|
||||
<property name="javax.persistence.jdbc.user" value="sa"/>
|
||||
<property name="javax.persistence.jdbc.password" value=""/>
|
||||
<property name="hibernate.dialect" value="org.hibernate.dialect.H2Dialect"/>
|
||||
<!--<property name="hibernate.hbm2ddl.auto" value="create-drop" />-->
|
||||
<property name="show_sql" value="true"/>
|
||||
<property name="hibernate.temp.use_jdbc_metadata_defaults" value="false"/>
|
||||
</properties>
|
||||
</persistence-unit>
|
||||
|
||||
<persistence-unit name="jpa-h2">
|
||||
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
|
||||
<class>com.baeldung.jpa.stringcast.Message</class>
|
||||
<exclude-unlisted-classes>true</exclude-unlisted-classes>
|
||||
<properties>
|
||||
<property name="javax.persistence.jdbc.driver" value="org.h2.Driver"/>
|
||||
<property name="javax.persistence.jdbc.url" value="jdbc:h2:mem:test"/>
|
||||
<property name="javax.persistence.jdbc.user" value="sa"/>
|
||||
<property name="javax.persistence.jdbc.password" value=""/>
|
||||
<property name="hibernate.dialect" value="org.hibernate.dialect.H2Dialect"/>
|
||||
<property name="hibernate.hbm2ddl.auto" value="create-drop"/>
|
||||
<property name="show_sql" value="true"/>
|
||||
<property name="hibernate.temp.use_jdbc_metadata_defaults" value="false"/>
|
||||
</properties>
|
||||
</persistence-unit>
|
||||
|
||||
<persistence-unit name="jpa-db">
|
||||
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
|
||||
<class>com.baeldung.jpa.model.Car</class>
|
||||
<exclude-unlisted-classes>true</exclude-unlisted-classes>
|
||||
<properties>
|
||||
<property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
|
||||
<property name="javax.persistence.jdbc.url" value="jdbc:mysql://127.0.0.1:3306/baeldung"/>
|
||||
<property name="javax.persistence.jdbc.user" value="baeldung"/>
|
||||
<property name="javax.persistence.jdbc.password" value="YourPassword"/>
|
||||
<property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect"/>
|
||||
<property name="hibernate.show_sql" value="true"/>
|
||||
</properties>
|
||||
</persistence-unit>
|
||||
|
||||
<persistence-unit name="entity-graph-pu" transaction-type="RESOURCE_LOCAL">
|
||||
<class>com.baeldung.jpa.entitygraph.model.Post</class>
|
||||
<class>com.baeldung.jpa.entitygraph.model.User</class>
|
||||
<class>com.baeldung.jpa.entitygraph.model.Comment</class>
|
||||
<exclude-unlisted-classes>true</exclude-unlisted-classes>
|
||||
<properties>
|
||||
|
||||
<!--H2-->
|
||||
<property name="javax.persistence.jdbc.driver" value="org.h2.Driver"/>
|
||||
<property name="javax.persistence.jdbc.url"
|
||||
value="jdbc:h2:mem:entitygraphdb;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE"/>
|
||||
|
||||
<property name="javax.persistence.schema-generation.database.action" value="drop-and-create"/>
|
||||
<property name="javax.persistence.sql-load-script-source" value="data-init.sql"/>
|
||||
</properties>
|
||||
</persistence-unit>
|
||||
|
||||
<persistence-unit name="java8-datetime-postgresql" transaction-type="RESOURCE_LOCAL">
|
||||
<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
|
||||
<class>com.baeldung.jpa.datetime.JPA22DateTimeEntity</class>
|
||||
<exclude-unlisted-classes>true</exclude-unlisted-classes>
|
||||
<properties>
|
||||
<property name="javax.persistence.jdbc.driver" value="org.postgresql.Driver"/>
|
||||
<property name="javax.persistence.jdbc.url" value="jdbc:postgresql://localhost:5432/java8-datetime2"/>
|
||||
<property name="javax.persistence.jdbc.user" value="postgres"/>
|
||||
<property name="javax.persistence.jdbc.password" value="postgres"/>
|
||||
<property name="javax.persistence.schema-generation.database.action" value="drop-and-create"/>
|
||||
|
||||
<!-- configure logging -->
|
||||
<property name="eclipselink.logging.level" value="INFO"/>
|
||||
<property name="eclipselink.logging.level.sql" value="FINE"/>
|
||||
<property name="eclipselink.logging.parameters" value="true"/>
|
||||
</properties>
|
||||
</persistence-unit>
|
||||
|
||||
<persistence-unit name="jpa-h2-criteria">
|
||||
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
|
||||
<class>com.baeldung.jpa.criteria.entity.Item</class>
|
||||
<exclude-unlisted-classes>true</exclude-unlisted-classes>
|
||||
<properties>
|
||||
<property name="javax.persistence.jdbc.driver"
|
||||
value="org.h2.Driver" />
|
||||
<property name="javax.persistence.jdbc.url"
|
||||
value="jdbc:h2:mem:test" />
|
||||
<property name="javax.persistence.jdbc.user" value="sa" />
|
||||
<property name="javax.persistence.jdbc.password" value="" />
|
||||
<property name="hibernate.dialect"
|
||||
value="org.hibernate.dialect.H2Dialect" />
|
||||
<property name="hibernate.hbm2ddl.auto" value="create-drop" />
|
||||
<property name="show_sql" value="true" />
|
||||
<property name="hibernate.temp.use_jdbc_metadata_defaults"
|
||||
value="false" />
|
||||
<property name="javax.persistence.sql-load-script-source" value="item.sql"/>
|
||||
</properties>
|
||||
</persistence-unit>
|
||||
|
||||
</persistence>
|
|
@ -0,0 +1,44 @@
|
|||
package com.baeldung.jpa.criteria.repository.impl;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertFalse;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
import com.baeldung.jpa.criteria.entity.Item;
|
||||
import com.baeldung.jpa.criteria.repository.CustomItemRepository;
|
||||
|
||||
public class CustomItemRepositoryIntegrationTest {
|
||||
|
||||
CustomItemRepository customItemRepository = new CustomItemRepositoryImpl();
|
||||
|
||||
@Test
|
||||
public void givenItems_whenFindItemsByColorAndGrade_thenReturnItems() {
|
||||
|
||||
List<Item> items = customItemRepository.findItemsByColorAndGrade();
|
||||
|
||||
assertFalse("No items found", items.isEmpty());
|
||||
assertEquals("There should be only one item", 1, items.size());
|
||||
|
||||
Item item = items.get(0);
|
||||
|
||||
assertEquals("this item do not have blue color", "blue", item.getColor());
|
||||
assertEquals("this item does not belong to A grade", "A", item.getGrade());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenItems_whenFindItemByColorOrGrade_thenReturnItems() {
|
||||
|
||||
List<Item> items = customItemRepository.findItemByColorOrGrade();
|
||||
|
||||
assertFalse("No items found", items.isEmpty());
|
||||
assertEquals("There should be only one item", 1, items.size());
|
||||
|
||||
Item item = items.get(0);
|
||||
|
||||
assertEquals("this item do not have red color", "red", item.getColor());
|
||||
assertEquals("this item does not belong to D grade", "D", item.getGrade());
|
||||
}
|
||||
}
|
|
@ -0,0 +1,4 @@
|
|||
insert into item(id,grade,color) values (10,'C','blue');
|
||||
insert into item(id,grade,color) values (11,'C','red');
|
||||
insert into item(id,grade,color) values (12,'A','blue');
|
||||
insert into item(id,grade,color) values (13,'D','red');
|
|
@ -1,7 +1,5 @@
|
|||
package com.baeldung.dao.repositories;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
import org.springframework.stereotype.Repository;
|
||||
|
||||
import com.baeldung.domain.Item;
|
||||
|
@ -15,7 +13,4 @@ public interface CustomItemRepository {
|
|||
|
||||
void findThenDelete(Long id);
|
||||
|
||||
List<Item> findItemsByColorAndGrade();
|
||||
|
||||
List<Item> findItemByColorOrGrade();
|
||||
}
|
||||
|
|
|
@ -1,12 +1,6 @@
|
|||
package com.baeldung.dao.repositories.impl;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
import javax.persistence.EntityManager;
|
||||
import javax.persistence.criteria.CriteriaBuilder;
|
||||
import javax.persistence.criteria.CriteriaQuery;
|
||||
import javax.persistence.criteria.Predicate;
|
||||
import javax.persistence.criteria.Root;
|
||||
|
||||
import org.springframework.beans.factory.annotation.Autowired;
|
||||
import org.springframework.stereotype.Repository;
|
||||
|
@ -36,53 +30,4 @@ public class CustomItemRepositoryImpl implements CustomItemRepository {
|
|||
entityManager.remove(item);
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<Item> findItemsByColorAndGrade() {
|
||||
|
||||
CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
|
||||
CriteriaQuery<Item> criteriaQuery = criteriaBuilder.createQuery(Item.class);
|
||||
Root<Item> itemRoot = criteriaQuery.from(Item.class);
|
||||
|
||||
Predicate predicateForBlueColor = criteriaBuilder.equal(itemRoot.get("color"), "blue");
|
||||
Predicate predicateForRedColor = criteriaBuilder.equal(itemRoot.get("color"), "red");
|
||||
Predicate predicateForColor = criteriaBuilder.or(predicateForBlueColor, predicateForRedColor);
|
||||
|
||||
Predicate predicateForGradeA = criteriaBuilder.equal(itemRoot.get("grade"), "A");
|
||||
Predicate predicateForGradeB = criteriaBuilder.equal(itemRoot.get("grade"), "B");
|
||||
Predicate predicateForGrade = criteriaBuilder.or(predicateForGradeA, predicateForGradeB);
|
||||
|
||||
// final search filter
|
||||
Predicate finalPredicate = criteriaBuilder.and(predicateForColor, predicateForGrade);
|
||||
|
||||
criteriaQuery.where(finalPredicate);
|
||||
|
||||
List<Item> items = entityManager.createQuery(criteriaQuery)
|
||||
.getResultList();
|
||||
return items;
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<Item> findItemByColorOrGrade() {
|
||||
|
||||
CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
|
||||
CriteriaQuery<Item> criteriaQuery = criteriaBuilder.createQuery(Item.class);
|
||||
Root<Item> itemRoot = criteriaQuery.from(Item.class);
|
||||
|
||||
Predicate predicateForBlueColor = criteriaBuilder.equal(itemRoot.get("color"), "red");
|
||||
Predicate predicateForGradeA = criteriaBuilder.equal(itemRoot.get("grade"), "D");
|
||||
Predicate predicateForBlueColorAndGradeA = criteriaBuilder.and(predicateForBlueColor, predicateForGradeA);
|
||||
|
||||
Predicate predicateForRedColor = criteriaBuilder.equal(itemRoot.get("color"), "blue");
|
||||
Predicate predicateForGradeB = criteriaBuilder.equal(itemRoot.get("grade"), "B");
|
||||
Predicate predicateForRedColorAndGradeB = criteriaBuilder.and(predicateForRedColor, predicateForGradeB);
|
||||
|
||||
// final search filter
|
||||
Predicate finalPredicate = criteriaBuilder.or(predicateForBlueColorAndGradeA, predicateForRedColorAndGradeB);
|
||||
|
||||
criteriaQuery.where(finalPredicate);
|
||||
|
||||
List<Item> items = entityManager.createQuery(criteriaQuery)
|
||||
.getResultList();
|
||||
return items;
|
||||
}
|
||||
}
|
||||
|
|
|
@ -1,94 +0,0 @@
|
|||
package com.baeldung.dao.repositories.impl;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertFalse;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
import javax.persistence.EntityManager;
|
||||
|
||||
import org.junit.Before;
|
||||
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 org.springframework.util.CollectionUtils;
|
||||
|
||||
import com.baeldung.config.PersistenceConfiguration;
|
||||
import com.baeldung.config.PersistenceProductConfiguration;
|
||||
import com.baeldung.config.PersistenceUserConfiguration;
|
||||
import com.baeldung.dao.repositories.CustomItemRepository;
|
||||
import com.baeldung.domain.Item;
|
||||
|
||||
@RunWith(SpringRunner.class)
|
||||
@DataJpaTest(excludeAutoConfiguration = { PersistenceConfiguration.class, PersistenceUserConfiguration.class, PersistenceProductConfiguration.class })
|
||||
public class CustomItemRepositoryIntegrationTest {
|
||||
|
||||
@Autowired
|
||||
CustomItemRepository customItemRepositoryImpl;
|
||||
|
||||
@Autowired
|
||||
EntityManager entityManager;
|
||||
|
||||
@Before
|
||||
public void setUp() {
|
||||
|
||||
Item firstItem = new Item();
|
||||
firstItem.setColor("blue");
|
||||
firstItem.setGrade("C");
|
||||
firstItem.setId(10l);
|
||||
|
||||
entityManager.persist(firstItem);
|
||||
|
||||
Item secondItem = new Item();
|
||||
secondItem.setColor("red");
|
||||
secondItem.setGrade("C");
|
||||
secondItem.setId(11l);
|
||||
|
||||
entityManager.persist(secondItem);
|
||||
|
||||
Item thirdItem = new Item();
|
||||
thirdItem.setColor("blue");
|
||||
thirdItem.setGrade("A");
|
||||
thirdItem.setId(12l);
|
||||
|
||||
entityManager.persist(thirdItem);
|
||||
|
||||
Item fourthItem = new Item();
|
||||
fourthItem.setColor("red");
|
||||
fourthItem.setGrade("D");
|
||||
fourthItem.setId(13l);
|
||||
|
||||
entityManager.persist(fourthItem);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenItems_whenFindItemsByColorAndGrade_thenReturnItems() {
|
||||
|
||||
List<Item> items = customItemRepositoryImpl.findItemsByColorAndGrade();
|
||||
|
||||
assertFalse("No items found", CollectionUtils.isEmpty(items));
|
||||
assertEquals("There should be only one item", 1, items.size());
|
||||
|
||||
Item item = items.get(0);
|
||||
|
||||
assertEquals("this item do not have blue color", "blue", item.getColor());
|
||||
assertEquals("this item does not belong to A grade", "A", item.getGrade());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenItems_whenFindItemByColorOrGrade_thenReturnItems() {
|
||||
|
||||
List<Item> items = customItemRepositoryImpl.findItemByColorOrGrade();
|
||||
|
||||
assertFalse("No items found", CollectionUtils.isEmpty(items));
|
||||
assertEquals("There should be only one item", 1, items.size());
|
||||
|
||||
Item item = items.get(0);
|
||||
|
||||
assertEquals("this item do not have red color", "red", item.getColor());
|
||||
assertEquals("this item does not belong to D grade", "D", item.getGrade());
|
||||
}
|
||||
|
||||
}
|
Loading…
Reference in New Issue