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Using CriteriaDefinition Utility in Hibernate (#15128) 

* Using CriteriaDefinition Utility in Hibernate

* Using CriteriaDefinition Utility in Hibernate

* Using CriteriaDefinition Utility in Hibernate

* Using CriteriaDefinition Utility in Hibernate

* Using CriteriaDefinition Utility in Hibernate
This commit is contained in:
Michael Olayemi 2023-11-08 14:16:19 +01:00 committed by GitHub
parent 7b6ba0e030
commit 33fceb65a6
5 changed files with 222 additions and 1 deletions
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2
persistence-modules/hibernate-queries/pom.xml
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@ -99,7 +99,7 @@
<mysql.version>8.0.32</mysql.version>
<mariaDB4j.version>2.6.0</mariaDB4j.version>
<h2.version>2.1.214</h2.version>
<hibernate.version>6.1.7.Final</hibernate.version>
<hibernate.version>6.3.1.Final</hibernate.version>
<testcontainers.mysql.version>1.17.6</testcontainers.mysql.version>
</properties>

7
persistence-modules/hibernate-queries/src/main/java/com/baeldung/hibernate/criteria/util/HibernateUtil.java
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@ -16,4 +16,11 @@ public class HibernateUtil {
return session;
}
public static SessionFactory getHibernateSessionFactory() {
final SessionFactory sessionFactory = new Configuration().configure("criteria.cfg.xml").buildSessionFactory();
return sessionFactory;
}
}

126
persistence-modules/hibernate-queries/src/main/java/com/baeldung/hibernate/criteria/view/CriteriaDefinitionApplicationView.java Normal file
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@ -0,0 +1,126 @@
package com.baeldung.hibernate.criteria.view;
import java.util.List;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.query.criteria.CriteriaDefinition;
import org.hibernate.query.criteria.JpaRoot;
import com.baeldung.hibernate.criteria.model.Item;
import com.baeldung.hibernate.criteria.util.HibernateUtil;
public class CriteriaDefinitionApplicationView {
public CriteriaDefinitionApplicationView() {
}
public String[] greaterThanCriteria() {
final Session session = HibernateUtil.getHibernateSession();
final SessionFactory sessionFactory = HibernateUtil.getHibernateSessionFactory();
CriteriaDefinition<Item> query = new CriteriaDefinition<>(sessionFactory, Item.class) {
{
JpaRoot<Item> message = from(Item.class);
where(gt(message.get("itemPrice"), 1000));
}
};
List<Item> items = session.createSelectionQuery(query).list();
final String greaterThanItems[] = new String[items.size()];
for (int i = 0; i < items.size(); i++) {
greaterThanItems[i] = items.get(i).getItemName();
}
session.close();
return greaterThanItems;
}
public String[] lessThanCriteria() {
final Session session = HibernateUtil.getHibernateSession();
final SessionFactory sessionFactory = HibernateUtil.getHibernateSessionFactory();
CriteriaDefinition<Item> query = new CriteriaDefinition<>(sessionFactory, Item.class) {
{
JpaRoot<Item> message = from(Item.class);
where(lt(message.get("itemPrice"), 1000));
}
};
List<Item> items = session.createSelectionQuery(query).list();
final String lessThanItems[] = new String[items.size()];
for (int i = 0; i < items.size(); i++) {
lessThanItems[i] = items.get(i).getItemName();
}
session.close();
return lessThanItems;
}
public String[] likeCriteria() {
final Session session = HibernateUtil.getHibernateSession();
final SessionFactory sessionFactory = HibernateUtil.getHibernateSessionFactory();
CriteriaDefinition<Item> query = new CriteriaDefinition<>(sessionFactory, Item.class) {
{
JpaRoot<Item> item = from(Item.class);
where(like(item.get("itemName"), "%chair%"));
}
};
List<Item> items = session.createSelectionQuery(query).list();
final String likeItems[] = new String[items.size()];
for (int i = 0; i < items.size(); i++) {
likeItems[i] = items.get(i).getItemName();
}
session.close();
return likeItems;
}
public String[] likeCaseCriteria() {
final Session session = HibernateUtil.getHibernateSession();
final SessionFactory sessionFactory = HibernateUtil.getHibernateSessionFactory();
CriteriaDefinition<Item> query = new CriteriaDefinition<>(sessionFactory, Item.class) {
{
JpaRoot<Item> item = from(Item.class);
where(like(lower(item.get("itemName")), "%chair%"));
}
};
List<Item> items = session.createSelectionQuery(query).list();
final String likeItems[] = new String[items.size()];
for (int i = 0; i < items.size(); i++) {
likeItems[i] = items.get(i).getItemName();
}
session.close();
return likeItems;
}
public String[] betweenCriteria() {
final Session session = HibernateUtil.getHibernateSession();
final SessionFactory sessionFactory = HibernateUtil.getHibernateSessionFactory();
CriteriaDefinition<Item> query = new CriteriaDefinition<>(sessionFactory, Item.class) {
{
JpaRoot<Item> item = from(Item.class);
where(between(item.get("itemPrice"), 100, 200));
}
};
List<Item> items = session.createSelectionQuery(query).list();
final String betweenItems[] = new String[items.size()];
for (int i = 0; i < items.size(); i++) {
betweenItems[i] = items.get(i).getItemName();
}
session.close();
return betweenItems;
}
}

11
persistence-modules/hibernate-queries/src/main/java/com/baeldung/hibernate/customtypes/LocalDateStringJavaDescriptor.java
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@ -4,8 +4,13 @@ package com.baeldung.hibernate.customtypes;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import org.hibernate.dialect.Dialect;
import org.hibernate.tool.schema.extract.spi.ColumnTypeInformation;
import org.hibernate.type.BasicType;
import org.hibernate.type.descriptor.WrapperOptions;
import org.hibernate.type.descriptor.java.ImmutableMutabilityPlan;
import org.hibernate.type.descriptor.jdbc.JdbcTypeIndicators;
import org.hibernate.type.spi.TypeConfiguration;
import io.hypersistence.utils.hibernate.type.array.internal.AbstractArrayTypeDescriptor;
@ -49,4 +54,10 @@ public class LocalDateStringJavaDescriptor extends AbstractArrayTypeDescriptor<L
throw unknownWrap(value.getClass());
}
@Override
public BasicType resolveType(TypeConfiguration typeConfiguration, Dialect dialect, BasicType elementType, ColumnTypeInformation columnTypeInformation, JdbcTypeIndicators stdIndicators) {
// TODO Auto-generated method stub
return null;
}
}

77
persistence-modules/hibernate-queries/src/test/java/com/baeldung/hibernate/criteria/HibernateCriteriaDefinitionIntegrationTest.java Normal file
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@ -0,0 +1,77 @@
package com.baeldung.hibernate.criteria;
import static org.junit.Assert.assertArrayEquals;
import java.util.List;
import org.hibernate.Session;
import org.junit.Test;
import com.baeldung.hibernate.criteria.model.Item;
import com.baeldung.hibernate.criteria.util.HibernateUtil;
import com.baeldung.hibernate.criteria.view.CriteriaDefinitionApplicationView;
public class HibernateCriteriaDefinitionIntegrationTest {
final private CriteriaDefinitionApplicationView criteriaDefinition = new CriteriaDefinitionApplicationView();
@Test
public void givenHibernateSession_whenExecutingLikeCriteriaQuery_thenExpectMatchingItems() {
final Session session = HibernateUtil.getHibernateSession();
final List<Item> expectedLikeList = session.createQuery("From Item where itemName like '%chair%'").list();
final String expectedLikeItems[] = new String[expectedLikeList.size()];
for (int i = 0; i < expectedLikeList.size(); i++) {
expectedLikeItems[i] = expectedLikeList.get(i).getItemName();
}
session.close();
assertArrayEquals(expectedLikeItems, criteriaDefinition.likeCriteria());
}
@Test
public void givenHibernateSession_whenExecutingCaseSensitiveLikeCriteriaQuery_thenExpectMatchingItems() {
final Session session = HibernateUtil.getHibernateSession();
final List<Item> expectedChairCaseList = session.createQuery("From Item where itemName like '%Chair%'").list();
final String expectedChairCaseItems[] = new String[expectedChairCaseList.size()];
for (int i = 0; i < expectedChairCaseList.size(); i++) {
expectedChairCaseItems[i] = expectedChairCaseList.get(i).getItemName();
}
session.close();
assertArrayEquals(expectedChairCaseItems, criteriaDefinition.likeCaseCriteria());
}
@Test
public void givenHibernateSession_whenExecutingGreaterThanCriteriaQuery_thenExpectMatchingItems() {
final Session session = HibernateUtil.getHibernateSession();
final List<Item> expectedGreaterThanList = session.createQuery("From Item where itemPrice>1000").list();
final String expectedGreaterThanItems[] = new String[expectedGreaterThanList.size()];
for (int i = 0; i < expectedGreaterThanList.size(); i++) {
expectedGreaterThanItems[i] = expectedGreaterThanList.get(i).getItemName();
}
session.close();
assertArrayEquals(expectedGreaterThanItems, criteriaDefinition.greaterThanCriteria());
}
@Test
public void givenHibernateSession_whenExecutingLessThanCriteriaQuery_thenExpectMatchingItems() {
final Session session = HibernateUtil.getHibernateSession();
final List<Item> expectedLessList = session.createQuery("From Item where itemPrice<1000").list();
final String expectedLessThanItems[] = new String[expectedLessList.size()];
for (int i = 0; i < expectedLessList.size(); i++) {
expectedLessThanItems[i] = expectedLessList.get(i).getItemName();
}
session.close();
assertArrayEquals(expectedLessThanItems, criteriaDefinition.lessThanCriteria());
}
@Test
public void givenHibernateSession_whenExecutingBetweenCriteriaQuery_thenExpectMatchingItems() {
final Session session = HibernateUtil.getHibernateSession();
final List<Item> expectedBetweenList = session.createQuery("From Item where itemPrice between 100 and 200").list();
final String expectedPriceBetweenItems[] = new String[expectedBetweenList.size()];
for (int i = 0; i < expectedBetweenList.size(); i++) {
expectedPriceBetweenItems[i] = expectedBetweenList.get(i).getItemName();
}
session.close();
assertArrayEquals(expectedPriceBetweenItems, criteriaDefinition.betweenCriteria());
}
}