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java-tutorials
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Merge branch 'master' of https://github.com/eugenp/tutorials

This commit is contained in:
eugenp 2014-05-12 17:57:43 +03:00
parent 07419451d7 a9738345e8
commit ce91d77866
20 changed files with 489 additions and 497 deletions
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6
spring-hibernate4/.project
View File

@ -30,6 +30,11 @@
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>org.hibernate.eclipse.console.hibernateBuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.springframework.ide.eclipse.core.springnature</nature>
@ -39,5 +44,6 @@
<nature>org.eclipse.m2e.core.maven2Nature</nature>
<nature>org.eclipse.wst.common.project.facet.core.nature</nature>
<nature>org.eclipse.wst.jsdt.core.jsNature</nature>
<nature>org.hibernate.eclipse.console.hibernateNature</nature>
</natures>
</projectDescription>

3
spring-hibernate4/.settings/org.hibernate.eclipse.console.prefs Normal file
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@ -0,0 +1,3 @@
default.configuration=
eclipse.preferences.version=1
hibernate3.enabled=true

21
spring-hibernate4/src/main/java/org/baeldung/persistence/model/Bar.hbm.xml Normal file
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@ -0,0 +1,21 @@
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!-- Generated 29-abr-2014 15:39:59 by Hibernate Tools 3.4.0.CR1 -->
<hibernate-mapping>
<class name="org.baeldung.persistence.model.Bar" table="BAR">
<id name="id" type="int">
<column name="ID" />
<generator class="assigned" />
</id>
<set name="fooSet" table="FOO" inverse="false" lazy="true" order-by="NAME DESC">
<key>
<column name="BAR_ID" />
</key>
<one-to-many class="org.baeldung.persistence.model.Foo" />
</set>
<property name="name" type="java.lang.String">
<column name="NAME" />
</property>
</class>
</hibernate-mapping>

37
spring-hibernate4/src/main/java/org/baeldung/persistence/model/Bar.java
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@ -1,25 +1,34 @@
package org.baeldung.persistence.model;
import java.io.Serializable;
import java.util.List;
import java.util.Set;
import javax.persistence.Column;
import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.NamedQuery;
import javax.persistence.OneToMany;
import org.hibernate.annotations.OrderBy;
import com.google.common.collect.Sets;
@Entity
@NamedQuery(name = "Bar.findAll", query = "SELECT b FROM Bar b")
public class Bar implements Serializable {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private long id;
private int id;
@Column(nullable = false)
private String name;
private List<Foo> foos;
@OneToMany(mappedBy = "bar", cascade = CascadeType.ALL, fetch = FetchType.EAGER)
@OrderBy(clause = "NAME DESC")
private Set<Foo> fooSet = Sets.newHashSet();
public Bar() {
super();
@ -33,11 +42,19 @@ public class Bar implements Serializable {
// API
public long getId() {
public Set<Foo> getFooSet() {
return fooSet;
}
public void setFooSet(final Set<Foo> fooSet) {
this.fooSet = fooSet;
}
public int getId() {
return id;
}
public void setId(final long id) {
public void setId(final int id) {
this.id = id;
}
@ -49,10 +66,6 @@ public class Bar implements Serializable {
this.name = name;
}
public List<Foo> getFooList() {
return foos;
}
//
@Override
@ -83,7 +96,7 @@ public class Bar implements Serializable {
@Override
public String toString() {
final StringBuilder builder = new StringBuilder();
builder.append("Foo [name=").append(name).append("]");
builder.append("Bar [name=").append(name).append("]");
return builder.toString();
}

19
spring-hibernate4/src/main/java/org/baeldung/persistence/model/Foo.hbm.xml Normal file
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@ -0,0 +1,19 @@
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!-- Generated 23-abr-2014 18:00:30 by Hibernate Tools 3.4.0.CR1 -->
<hibernate-mapping>
<class name="org.baeldung.persistence.model.Foo" table="FOO">
<id name="id" type="int">
<column name="ID" />
<generator class="native" />
</id>
<property name="name" type="java.lang.String">
<column name="NAME" />
</property>
<many-to-one name="bar" class="org.baeldung.persistence.model.Bar" fetch="join" >
<column name="BAR_ID" />
</many-to-one>
</class>
</hibernate-mapping>

21
spring-hibernate4/src/main/java/org/baeldung/persistence/model/Foo.java
View File

@ -7,6 +7,11 @@ import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import org.hibernate.annotations.Fetch;
import org.hibernate.annotations.FetchMode;
@Entity
public class Foo implements Serializable {
@ -18,17 +23,29 @@ public class Foo implements Serializable {
@Column(nullable = false)
private String name;
@ManyToOne(targetEntity = Bar.class)
@JoinColumn(name = "BAR_ID")
@Fetch(FetchMode.JOIN)
private Bar bar = new Bar();
public Foo() {
super();
}
public Foo(final String name) {
super();
this.name = name;
}
// API
//
public Bar getBar() {
return bar;
}
public void setBar(final Bar bar) {
this.bar = bar;
}
public long getId() {
return id;

37
spring-hibernate4/src/test/java/hibernate.cfg.xml Normal file
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@ -0,0 +1,37 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<!-- Database connection settings -->
<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="connection.url">jdbc:mysql://localhost:3306/spring_hibernate4_01?createDatabaseIfNotExist=true</property>
<property name="connection.username">tutorialuser</property>
<property name="connection.password">tutorialmy5ql</property>
<!-- JDBC connection pool (use the built-in) -->
<property name="connection.pool_size">1</property>
<!-- SQL dialect -->
<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
<!-- Enable Hibernate's automatic session context management -->
<property name="current_session_context_class">thread</property>
<!-- Disable the second-level cache -->
<property name="cache.provider_class">org.hibernate.cache.internal.NoCacheProvider</property>
<!-- Echo all executed SQL to stdout -->
<property name="show_sql">true</property>
<!-- Drop and re-create the database schema on startup -->
<mapping resource="org//baeldung//persistence//model//Foo.hbm.xml" />
<mapping resource="org//baeldung//persistence//model//Bar.hbm.xml" />
</session-factory>
</hibernate-configuration>

21
spring-hibernate4/src/test/java/org/baeldung/persistence/IntegrationTestSuite.java Normal file
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@ -0,0 +1,21 @@
package org.baeldung.persistence;
import org.baeldung.persistence.hibernate.FooPaginationPersistenceIntegrationTest;
import org.baeldung.persistence.hibernate.FooSortingPersistenceServiceTest;
import org.baeldung.persistence.service.FooServiceBasicPersistenceIntegrationTest;
import org.baeldung.persistence.service.FooServicePersistenceIntegrationTest;
import org.baeldung.persistence.service.ParentServicePersistenceIntegrationTest;
import org.junit.runner.RunWith;
import org.junit.runners.Suite;
@RunWith(Suite.class)
@Suite.SuiteClasses({// @formatter:off
FooServiceBasicPersistenceIntegrationTest.class
,FooPaginationPersistenceIntegrationTest.class
,FooServicePersistenceIntegrationTest.class
,ParentServicePersistenceIntegrationTest.class
,FooSortingPersistenceServiceTest.class
}) // @formatter:on
public class IntegrationTestSuite {
//
}

5
spring-hibernate4/src/test/java/org/baeldung/persistence/service/FooServicePaginationPersistenceIntegrationTest.java → spring-hibernate4/src/test/java/org/baeldung/persistence/hibernate/FooPaginationPersistenceIntegrationTest.java
View File

@ -1,4 +1,4 @@
package org.baeldung.persistence.service;
package org.baeldung.persistence.hibernate;
import static org.apache.commons.lang3.RandomStringUtils.randomAlphabetic;
import static org.hamcrest.Matchers.hasSize;
@ -8,6 +8,7 @@ import static org.junit.Assert.assertThat;
import java.util.List;
import org.baeldung.persistence.model.Foo;
import org.baeldung.persistence.service.IFooService;
import org.baeldung.spring.PersistenceConfig;
import org.hibernate.Criteria;
import org.hibernate.Query;
@ -30,7 +31,7 @@ import com.google.common.collect.Lists;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = { PersistenceConfig.class }, loader = AnnotationConfigContextLoader.class)
public class FooServicePaginationPersistenceIntegrationTest {
public class FooPaginationPersistenceIntegrationTest {
@Autowired
private SessionFactory sessionFactory;

169
spring-hibernate4/src/test/java/org/baeldung/persistence/hibernate/FooSortingPersistenceServiceTest.java Normal file
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@ -0,0 +1,169 @@
package org.baeldung.persistence.hibernate;
import static org.junit.Assert.assertNull;
import java.util.List;
import java.util.Set;
import org.baeldung.persistence.model.Bar;
import org.baeldung.persistence.model.Foo;
import org.baeldung.spring.PersistenceConfig;
import org.hibernate.Criteria;
import org.hibernate.NullPrecedence;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;
import org.hibernate.criterion.Order;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.support.AnnotationConfigContextLoader;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = { PersistenceConfig.class }, loader = AnnotationConfigContextLoader.class)
@SuppressWarnings("unchecked")
public class FooSortingPersistenceServiceTest {
private SessionFactory sf;
private Session sess;
@Before
public final void before() {
final Configuration configuration = new Configuration().configure();
final StandardServiceRegistryBuilder builder = new StandardServiceRegistryBuilder().applySettings(configuration.getProperties());
sf = configuration.buildSessionFactory(builder.build());
sess = sf.openSession();
sess.beginTransaction();
}
@After
public void after() {
sess.getTransaction().commit();
}
@Test
public final void whenHQlSortingByOneAttribute_thenPrintSortedResults() {
final String hql = "FROM Foo f ORDER BY f.name";
final Query query = sess.createQuery(hql);
final List<Foo> fooList = query.list();
for (final Foo foo : fooList) {
System.out.println("Name: " + foo.getName() + ", Id: " + foo.getId());
}
}
@Test
public final void whenHQlSortingByStringNullLast_thenLastNull() {
final String hql = "FROM Foo f ORDER BY f.name NULLS LAST";
final Query query = sess.createQuery(hql);
final List<Foo> fooList = query.list();
assertNull(fooList.get(fooList.toArray().length - 1).getName());
for (final Foo foo : fooList) {
System.out.println("Name: " + foo.getName() + ", Id: " + foo.getId());
}
}
@Test
public final void whenSortingByStringNullsFirst_thenReturnNullsFirst() {
final String hql = "FROM Foo f ORDER BY f.name NULLS FIRST";
final Query query = sess.createQuery(hql);
final List<Foo> fooList = query.list();
assertNull(fooList.get(0).getName());
for (final Foo foo : fooList) {
System.out.println("Name:" + foo.getName());
}
}
@Test
public final void whenHQlSortingByOneAttribute_andOrderDirection_thenPrintSortedResults() {
final String hql = "FROM Foo f ORDER BY f.name ASC";
final Query query = sess.createQuery(hql);
final List<Foo> fooList = query.list();
for (final Foo foo : fooList) {
System.out.println("Name: " + foo.getName() + ", Id: " + foo.getId());
}
}
@Test
public final void whenHQlSortingByMultipleAttributes_thenSortedResults() {
final String hql = "FROM Foo f ORDER BY f.name, f.id";
final Query query = sess.createQuery(hql);
final List<Foo> fooList = query.list();
for (final Foo foo : fooList) {
System.out.println("Name: " + foo.getName() + ", Id: " + foo.getId());
}
}
@Test
public final void whenHQlSortingByMultipleAttributes_andOrderDirection_thenPrintSortedResults() {
final String hql = "FROM Foo f ORDER BY f.name DESC, f.id ASC";
final Query query = sess.createQuery(hql);
final List<Foo> fooList = query.list();
for (final Foo foo : fooList) {
System.out.println("Name: " + foo.getName() + ", Id: " + foo.getId());
}
}
@Test
public final void whenHQLCriteriaSortingByOneAttr_thenPrintSortedResults() {
final Criteria criteria = sess.createCriteria(Foo.class, "FOO");
criteria.addOrder(Order.asc("id"));
final List<Foo> fooList = criteria.list();
for (final Foo foo : fooList) {
System.out.println("Id: " + foo.getId() + ", FirstName: " + foo.getName());
}
}
@Test
public final void whenHQLCriteriaSortingByMultipAttr_thenSortedResults() {
final Criteria criteria = sess.createCriteria(Foo.class, "FOO");
criteria.addOrder(Order.asc("name"));
criteria.addOrder(Order.asc("id"));
final List<Foo> fooList = criteria.list();
for (final Foo foo : fooList) {
System.out.println("Id: " + foo.getId() + ", FirstName: " + foo.getName());
}
}
@Test
public final void whenCriteriaSortingStringNullsLastAsc_thenNullsLast() {
final Criteria criteria = sess.createCriteria(Foo.class, "FOO");
criteria.addOrder(Order.asc("name").nulls(NullPrecedence.LAST));
final List<Foo> fooList = criteria.list();
assertNull(fooList.get(fooList.toArray().length - 1).getName());
for (final Foo foo : fooList) {
System.out.println("Id: " + foo.getId() + ", FirstName: " + foo.getName());
}
}
@Test
public final void whenCriteriaSortingStringNullsFirstDesc_thenNullsFirst() {
final Criteria criteria = sess.createCriteria(Foo.class, "FOO");
criteria.addOrder(Order.desc("name").nulls(NullPrecedence.FIRST));
final List<Foo> fooList = criteria.list();
assertNull(fooList.get(0).getName());
for (final Foo foo : fooList) {
System.out.println("Id: " + foo.getId() + ", FirstName: " + foo.getName());
}
}
@Test
public final void whenSortingBars_thenBarsWithSortedFoos() {
final String hql = "FROM Bar b ORDER BY b.id";
final Query query = sess.createQuery(hql);
final List<Bar> barList = query.list();
for (final Bar bar : barList) {
final Set<Foo> fooSet = bar.getFooSet();
System.out.println("Bar Id:" + bar.getId());
for (final Foo foo : fooSet) {
System.out.println("FooName:" + foo.getName());
}
}
}
}

55
spring-hibernate4/src/test/java/org/baeldung/persistence/service/FooServiceBasicPersistenceIntegrationTest.java Normal file
View File

@ -0,0 +1,55 @@
package org.baeldung.persistence.service;
import static org.apache.commons.lang3.RandomStringUtils.randomAlphabetic;
import org.baeldung.persistence.model.Foo;
import org.baeldung.persistence.service.IFooService;
import org.baeldung.spring.PersistenceConfig;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.support.AnnotationConfigContextLoader;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = { PersistenceConfig.class }, loader = AnnotationConfigContextLoader.class)
public class FooServiceBasicPersistenceIntegrationTest {
@Autowired
private SessionFactory sessionFactory;
@Autowired
private IFooService fooService;
private Session session;
// tests
@Before
public final void before() {
session = sessionFactory.openSession();
}
@After
public final void after() {
session.close();
}
// tests
@Test
public final void whenContextIsBootstrapped_thenNoExceptions() {
//
}
@Test
public final void whenEntityIsCreated_thenNoExceptions() {
fooService.create(new Foo(randomAlphabetic(6)));
}
}

1
spring-hibernate4/src/test/java/org/baeldung/persistence/service/FooServicePersistenceIntegrationTest.java
View File

@ -3,6 +3,7 @@ package org.baeldung.persistence.service;
import static org.apache.commons.lang3.RandomStringUtils.randomAlphabetic;
import org.baeldung.persistence.model.Foo;
import org.baeldung.persistence.service.IFooService;
import org.baeldung.spring.PersistenceConfig;
import org.junit.Ignore;
import org.junit.Test;

390
spring-hibernate4/src/test/java/org/baeldung/persistence/service/FooSortingServiceTest.java
View File

@ -1,390 +0,0 @@
package org.baeldung.persistence.service;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.util.List;
import java.util.Set;
import java.util.TreeSet;
import org.baeldung.persistence.model.Bar;
import org.baeldung.persistence.model.Foo;
import org.baeldung.spring.PersistenceConfig;
import org.hibernate.Criteria;
import org.hibernate.NullPrecedence;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;
import org.hibernate.criterion.Order;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.support.AnnotationConfigContextLoader;
import com.google.common.collect.Lists;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = { PersistenceConfig.class }, loader = AnnotationConfigContextLoader.class)
public class FooSortingServiceTest {
// tests
@Test
public final void whenHQlSortingByOneAttribute_thenPrintSortedResults() {
Session sess = null;
List<Foo> fooList = Lists.newArrayList();
try {
final SessionFactory sf = new Configuration().configure().buildSessionFactory();
sess = sf.openSession();
final String hql = "FROM Foo f ORDER BY f.name";
final Query query = sess.createQuery(hql);
fooList = query.list();
for (final Foo foo : fooList) {
System.out.println("Name: " + foo.getName() + ", Id: " + foo.getId());
}
final Transaction tr = sess.beginTransaction();
tr.commit();
} catch (final Exception ex) {
ex.printStackTrace();
} finally {
if (sess != null) {
sess.close();
}
}
}
@Test
public final void whenHQlSortingByOneAttribute_andOrderDirection_thenPrintSortedResults() {
Session sess = null;
List<Foo> fooList = Lists.newArrayList();
try {
final SessionFactory sf = new Configuration().configure().buildSessionFactory();
sess = sf.openSession();
final String hql = "FROM Foo f ORDER BY f.name ASC";
final Query query = sess.createQuery(hql);
fooList = query.list();
for (final Foo foo : fooList) {
System.out.println("Name: " + foo.getName() + ", Id: " + foo.getId());
}
final Transaction tr = sess.beginTransaction();
tr.commit();
} catch (final Exception ex) {
ex.printStackTrace();
} finally {
if (sess != null) {
sess.close();
}
}
}
@Test
public final void whenHQlSortingByMultipleAttributes_thenSortedResults() {
Session sess = null;
List<Foo> fooList = Lists.newArrayList();
try {
final SessionFactory sf = new Configuration().configure().buildSessionFactory();
sess = sf.openSession();
final String hql = "FROM Foo f ORDER BY f.name, f.id";
final Query query = sess.createQuery(hql);
fooList = query.list();
for (final Foo foo : fooList) {
System.out.println("Name: " + foo.getName() + ", Id: " + foo.getId());
}
final Transaction tr = sess.beginTransaction();
tr.commit();
} catch (final Exception ex) {
ex.printStackTrace();
} finally {
if (sess != null) {
sess.close();
}
}
}
@Test
public final void whenHQlSortingByMultipleAttributes_andOrderDirection_thenPrintSortedOrderedResults() {
Session sess = null;
List<Foo> fooList = Lists.newArrayList();
try {
final SessionFactory sf = new Configuration().configure().buildSessionFactory();
sess = sf.openSession();
final String hql = "FROM Foo f ORDER BY f.name DESC, f.id ASC";
final Query query = sess.createQuery(hql);
fooList = query.list();
for (final Foo foo : fooList) {
System.out.println("Name: " + foo.getName() + ", Id: " + foo.getId());
}
final Transaction tr = sess.beginTransaction();
tr.commit();
} catch (final Exception ex) {
ex.printStackTrace();
} finally {
if (sess != null) {
sess.close();
}
}
}
@Test
public final void whenCriteriaSortingByOneAttr_thenPrintSortedResults() {
Session sess = null;
final SessionFactory sf = new Configuration().configure().buildSessionFactory();
sess = sf.openSession();
List<Foo> fooList = Lists.newArrayList();
try {
sess.beginTransaction();
final Criteria criteria = sess.createCriteria(Foo.class, "FOO");
criteria.addOrder(Order.asc("id"));
fooList = criteria.list();
assertEquals(1, fooList.get(0).getId());
assertEquals(100, fooList.get(fooList.toArray().length - 1).getId());
for (final Foo foo : fooList) {
System.out.println("Id: " + foo.getId() + ", FirstName: " + foo.getName());
}
sess.getTransaction().commit();
} catch (final Exception ex) {
ex.printStackTrace();
} finally {
if (sess != null) {
sess.close();
}
}
}
@Test
public final void whenCriteriaSortingByMultipAttr_thenSortedResults() {
Session sess = null;
final SessionFactory sf = new Configuration().configure().buildSessionFactory();
sess = sf.openSession();
List<Foo> fooList = Lists.newArrayList();
try {
sess.beginTransaction();
final Criteria criteria = sess.createCriteria(Foo.class, "FOO");
criteria.addOrder(Order.asc("name"));
criteria.addOrder(Order.asc("id"));
fooList = criteria.list();
for (final Foo foo : fooList) {
System.out.println("Id: " + foo.getId() + ", FirstName: " + foo.getName());
}
sess.getTransaction().commit();
} catch (final Exception ex) {
ex.printStackTrace();
} finally {
if (sess != null) {
sess.close();
}
}
}
@Test
public final void whenCriteriaSortingStringNullsLastAsc_thenNullsLast() {
Session sess = null;
final SessionFactory sf = new Configuration().configure().buildSessionFactory();
sess = sf.openSession();
List<Foo> fooList = Lists.newArrayList();
try {
sess.beginTransaction();
final Criteria criteria = sess.createCriteria(Foo.class, "FOO");
criteria.addOrder(Order.asc("name").nulls(NullPrecedence.LAST));
fooList = criteria.list();
assertNull(fooList.get(fooList.toArray().length - 1).getName());
for (final Foo foo : fooList) {
System.out.println("Id: " + foo.getId() + ", FirstName: " + foo.getName());
}
sess.getTransaction().commit();
} catch (final Exception ex) {
ex.printStackTrace();
} finally {
if (sess != null) {
sess.close();
}
}
}
@Test
public final void whenCriteriaSortingStringNullsFirstDesc_thenNullsFirst() {
Session sess = null;
final SessionFactory sf = new Configuration().configure().buildSessionFactory();
sess = sf.openSession();
List<Foo> fooList = Lists.newArrayList();
try {
sess.beginTransaction();
final Criteria criteria = sess.createCriteria(Foo.class, "FOO");
criteria.addOrder(Order.desc("name").nulls(NullPrecedence.FIRST));
fooList = criteria.list();
assertNull(fooList.get(0).getName());
for (final Foo foo : fooList) {
System.out.println("Id: " + foo.getId() + ", FirstName: " + foo.getName());
}
sess.getTransaction().commit();
} catch (final Exception ex) {
ex.printStackTrace();
} finally {
if (sess != null) {
sess.close();
}
}
}
@Test
public final void whenHQlSortingByStringNullLast_thenLastNull() {
Session sess = null;
List<Foo> fooList = Lists.newArrayList();
try {
final SessionFactory sf = new Configuration().configure().buildSessionFactory();
sess = sf.openSession();
final String hql = "FROM Foo f ORDER BY f.name NULLS LAST";
final Query query = sess.createQuery(hql);
fooList = query.list();
assertNull(fooList.get(fooList.toArray().length - 1).getName());
for (final Foo foo : fooList) {
System.out.println("Name: " + foo.getName() + ", Id: " + foo.getId());
}
final Transaction tr = sess.beginTransaction();
tr.commit();
} catch (final Exception ex) {
ex.printStackTrace();
} finally {
if (sess != null) {
sess.close();
}
}
}
@Test
public final void whenSortingBars_thenBarsWithSortedFoos() {
Session sess = null;
final Set<Foo> fooList = new TreeSet();
List<Bar> barList = Lists.newArrayList();
try {
final SessionFactory sf = new Configuration().configure().buildSessionFactory();
sess = sf.openSession();
final String hql = "FROM Bar b ORDER BY b.id";
final Query query = sess.createQuery(hql);
barList = query.list();
for (final Bar bar : barList) {
System.out.println("Bar Id:" + bar.getId());
for (final Foo foo : bar.getFooList()) {
System.out.println("FooName:" + foo.getName());
}
}
final Transaction tr = sess.beginTransaction();
tr.commit();
} catch (final Exception ex) {
ex.printStackTrace();
} finally {
if (sess != null) {
sess.close();
}
}
}
// @Test
// public final void whenSortingPrimitiveNulls_thenException() {
// Session sess = null;
// List<Foo> fooList = new ArrayList();
// final List<Bar> barList = new ArrayList();
//
// try {
// final SessionFactory sf = new Configuration().configure().buildSessionFactory();
// sess = sf.openSession();
// final String hql = "FROM Foo f ORDER BY f.idx";
// final Query query = sess.createQuery(hql);
// boolean thrown = false;
// try {
// fooList = criteria.list();
// } catch (final org.hibernate.PropertyAccessException e) {
// thrown = true;
// }
// assertTrue(thrown);
//
// final Transaction tr = sess.beginTransaction();
// tr.commit();
// } catch (final Exception ex) {
// ex.printStackTrace();
// } finally {
// if (sess != null) {
// sess.close();
// }
// }
// }
@Test
public final void whenSortingStringNullsLast_thenReturnNullsLast() {
Session sess = null;
List<Foo> fooList = Lists.newArrayList();
final List<Bar> barList = Lists.newArrayList();
try {
final SessionFactory sf = new Configuration().configure().buildSessionFactory();
sess = sf.openSession();
final String hql = "FROM Foo f ORDER BY f.name NULLS LAST";
final Query query = sess.createQuery(hql);
fooList = query.list();
assertNull(fooList.get(fooList.toArray().length - 1).getName());
for (final Foo foo : fooList) {
System.out.println("FooIDX:" + foo.getName());
}
final Transaction tr = sess.beginTransaction();
tr.commit();
} catch (final Exception ex) {
ex.printStackTrace();
} finally {
if (sess != null) {
sess.close();
}
}
}
@Test
public final void whenNullPrimitiveValueCriteriaSortingByMultipAttr_thenException() {
Session sess = null;
final SessionFactory sf = new Configuration().configure().buildSessionFactory();
sess = sf.openSession();
List<Foo> fooList = Lists.newArrayList();
try {
sess.beginTransaction();
final Criteria criteria = sess.createCriteria(Foo.class, "FOO");
criteria.addOrder(Order.desc("name").nulls(NullPrecedence.FIRST));
criteria.addOrder(Order.asc("idx"));
boolean thrown = false;
try {
fooList = criteria.list();
} catch (final org.hibernate.PropertyAccessException e) {
thrown = true;
}
assertTrue(thrown);
sess.getTransaction().commit();
} catch (final Exception ex) {
ex.printStackTrace();
} finally {
if (sess != null) {
sess.close();
}
}
}
}

6
spring-jpa/.classpath
View File

@ -22,11 +22,7 @@
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7">
<attributes>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
<attributes>
<attribute name="maven.pomderived" value="true"/>

6
spring-jpa/.project
View File

@ -30,6 +30,11 @@
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>org.hibernate.eclipse.console.hibernateBuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.springframework.ide.eclipse.core.springnature</nature>
@ -39,5 +44,6 @@
<nature>org.eclipse.m2e.core.maven2Nature</nature>
<nature>org.eclipse.wst.common.project.facet.core.nature</nature>
<nature>org.eclipse.wst.jsdt.core.jsNature</nature>
<nature>org.hibernate.eclipse.console.hibernateNature</nature>
</natures>
</projectDescription>

3
spring-jpa/.settings/org.hibernate.eclipse.console.prefs Normal file
View File

@ -0,0 +1,3 @@
default.configuration=
eclipse.preferences.version=1
hibernate3.enabled=true

21
spring-jpa/src/main/java/org/baeldung/persistence/model/Bar.java
View File

@ -3,14 +3,20 @@ package org.baeldung.persistence.model;
import java.io.Serializable;
import java.util.List;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.OneToMany;
import javax.persistence.OrderBy;
@Entity
public class Bar implements Serializable {
private static final long serialVersionUID = 1L;
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@ -19,7 +25,11 @@ public class Bar implements Serializable {
@Column(nullable = false)
private String name;
private List<Foo> foos;
@OneToMany(mappedBy = "bar", fetch = FetchType.EAGER, cascade = CascadeType.ALL)
@OrderBy("name ASC")
List<Foo> fooList;
public Bar() {
super();
@ -38,6 +48,7 @@ public class Bar implements Serializable {
}
public void setId(final long id) {
this.id = id;
}
@ -50,7 +61,11 @@ public class Bar implements Serializable {
}
public List<Foo> getFooList() {
return foos;
return fooList;
}
public void setFooList(final List<Foo> fooList) {
this.fooList = fooList;
}
//
@ -83,7 +98,7 @@ public class Bar implements Serializable {
@Override
public String toString() {
final StringBuilder builder = new StringBuilder();
builder.append("Foo [name=").append(name).append("]");
builder.append("Bar [name=").append(name).append("]");
return builder.toString();
}

33
spring-jpa/src/main/java/org/baeldung/persistence/model/Foo.java
View File

@ -4,19 +4,17 @@ import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
@Entity
public class Foo implements Serializable {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private long id;
@Column(nullable = false)
private String name;
private static final long serialVersionUID = 1L;
public Foo() {
super();
@ -28,13 +26,30 @@ public class Foo implements Serializable {
this.name = name;
}
// API
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(name = "ID")
private long id;
@Column(name = "NAME")
private String name;
@ManyToOne(targetEntity = Bar.class, fetch = FetchType.EAGER)
@JoinColumn(name = "BAR_ID")
private Bar bar;
public Bar getBar() {
return bar;
}
public void setBar(final Bar bar) {
this.bar = bar;
}
public long getId() {
return id;
}
public void setId(final long id) {
public void setId(final int id) {
this.id = id;
}
@ -46,8 +61,6 @@ public class Foo implements Serializable {
this.name = name;
}
//
@Override
public int hashCode() {
final int prime = 31;

16
spring-jpa/src/test/java/META-INF/persistence.xml Normal file
View File

@ -0,0 +1,16 @@
<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.1" 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_1.xsd">
<persistence-unit name="punit" >
<class>org.baeldung.persistence.model.Foo</class>
<class>org.baeldung.persistence.model.Bar</class>
<properties>
<property name="javax.persistence.jdbc.user" value="root"/>
<property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
<property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/HIBERTEST"/>
<property name="javax.persistence.ddl-generation" value="drop-and-create-tables"/>
<property name="javax.persistence.logging.level" value="INFO"/>
<property name = "hibernate.show_sql" value = "true" />
</properties>
</persistence-unit>
</persistence>

116
spring-jpa/src/test/java/org/baeldung/persistence/service/FooServiceSortingTests.java
View File

@ -1,8 +1,6 @@
package org.baeldung.persistence.service;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.util.List;
@ -18,35 +16,31 @@ import javax.persistence.criteria.Root;
import org.baeldung.persistence.model.Bar;
import org.baeldung.persistence.model.Foo;
import org.junit.After;
import org.junit.BeforeClass;
import org.junit.Test;
import com.google.common.collect.Lists;
public class FooServiceSortingTests {
private EntityManager entityManager;
private static EntityManager entityManager;
private static EntityManagerFactory emf;
private static EntityTransaction entityTransaction;
private static CriteriaBuilder criteriaBuilder;
@BeforeClass
public static void before() {
//
}
@After
public final void after() {
//
emf = Persistence.createEntityManagerFactory("punit");
entityManager = emf.createEntityManager();
entityTransaction = entityManager.getTransaction();
entityTransaction.begin();
criteriaBuilder = entityManager.getCriteriaBuilder();
}
@Test
public final void whenSortingByOneAttributeDefaultOrder_thenPrintSortedResult() {
final EntityManagerFactory emf = Persistence.createEntityManagerFactory("punit");
final EntityManager entityManager = emf.createEntityManager();
final EntityTransaction entityTransaction = entityManager.getTransaction();
entityTransaction.begin();
final String jql = "Select f from Foo as f order by f.id";
final Query sortQuery = entityManager.createQuery(jql);
final List<Foo> fooList = sortQuery.getResultList();
assertEquals(1, fooList.get(0).getId());
assertEquals(100, fooList.get(fooList.toArray().length - 1).getId());
for (final Foo foo : fooList) {
System.out.println("Name:" + foo.getName() + "-------Id:" + foo.getId());
}
@ -54,16 +48,9 @@ public class FooServiceSortingTests {
@Test
public final void whenSortingByOneAttributeSetOrder_thenSortedPrintResult() {
final EntityManagerFactory emf = Persistence.createEntityManagerFactory("punit");
final EntityManager entityManager = emf.createEntityManager();
final EntityTransaction entityTransaction = entityManager.getTransaction();
entityTransaction.begin();
final String jql = "Select f from Foo as f order by f.id desc";
final Query sortQuery = entityManager.createQuery(jql);
final List<Foo> fooList = sortQuery.getResultList();
assertEquals(100, fooList.get(0).getId());
assertEquals(1, fooList.get(fooList.toArray().length - 1).getId());
for (final Foo foo : fooList) {
System.out.println("Name:" + foo.getName() + "-------Id:" + foo.getId());
}
@ -71,10 +58,6 @@ public class FooServiceSortingTests {
@Test
public final void whenSortingByTwoAttributes_thenPrintSortedResult() {
final EntityManagerFactory emf = Persistence.createEntityManagerFactory("punit");
final EntityManager entityManager = emf.createEntityManager();
final EntityTransaction entityTransaction = entityManager.getTransaction();
entityTransaction.begin();
final String jql = "Select f from Foo as f order by f.name asc, f.id desc";
final Query sortQuery = entityManager.createQuery(jql);
final List<Foo> fooList = sortQuery.getResultList();
@ -84,13 +67,18 @@ public class FooServiceSortingTests {
}
@Test
public final void whenSortinfBar_thenPrintBarsSortedWithFoos() {
final EntityManagerFactory emf = Persistence.createEntityManagerFactory("punit");
final EntityManager entityManager = emf.createEntityManager();
final EntityTransaction entityTransaction = entityManager.getTransaction();
entityTransaction.begin();
final String jql = "Select b from Bar as b order by b.id";
public final void whenSortingFooByBar_thenBarsSorted() {
final String jql = "Select f from Foo as f order by f.name, f.bar.id";
final Query barJoinQuery = entityManager.createQuery(jql);
final List<Foo> fooList = barJoinQuery.getResultList();
for (final Foo foo : fooList) {
System.out.println("Name:" + foo.getName() + "-------BarId:" + foo.getBar().getId());
}
}
@Test
public final void whenSortinfBar_thenPrintBarsSortedWithFoos() {
final String jql = "Select b from Bar as b order by b.id";
final Query barQuery = entityManager.createQuery(jql);
final List<Bar> barList = barQuery.getResultList();
for (final Bar bar : barList) {
@ -103,11 +91,6 @@ public class FooServiceSortingTests {
@Test
public final void whenSortingByStringNullLast_thenLastNull() {
final EntityManagerFactory emf = Persistence.createEntityManagerFactory("punit");
final EntityManager entityManager = emf.createEntityManager();
final EntityTransaction entityTransaction = entityManager.getTransaction();
entityTransaction.begin();
final String jql = "Select f from Foo as f order by f.name desc NULLS LAST";
final Query sortQuery = entityManager.createQuery(jql);
final List<Foo> fooList = sortQuery.getResultList();
@ -117,43 +100,32 @@ public class FooServiceSortingTests {
}
}
// @Test
// public final void whenSortingByStringNullFirst_thenFirstNull() {
// final EntityManagerFactory emf = Persistence.createEntityManagerFactory("punit");
// final EntityManager entityManager = emf.createEntityManager();
// final EntityTransaction entityTransaction = entityManager.getTransaction();
// entityTransaction.begin();
// final String jql = "Select f from Foo as f order by f.name desc NULLS FIRST";
// final Query sortQuery = entityManager.createQuery(jql);
// final List<Foo> fooList = sortQuery.getResultList();
// assertNull(fooList.get(0).getName());
// for (final Foo foo : fooList) {
// System.out.println("Name:" + foo.getName() + "-------Id:" + foo.getTest_Null());
// }
// }
@Test
public final void whenSortingByIntNull_thenException() {
final EntityManagerFactory emf = Persistence.createEntityManagerFactory("punit");
final EntityManager entityManager = emf.createEntityManager();
final EntityTransaction entityTransaction = entityManager.getTransaction();
entityTransaction.begin();
final String jql = "Select f from Foo as f order by f.test_Null desc NULLS FIRST";
public final void whenSortingByStringNullFirst_thenFirstNull() {
final Foo nullNameFoo = new Foo();
nullNameFoo.setName(null);
final Bar bar = new Bar();
final List<Foo> fooList1 = Lists.newArrayList();
bar.setName("Bar_Me");
nullNameFoo.setBar(bar);
fooList1.add(nullNameFoo);
bar.setFooList(fooList1);
entityManager.persist(bar);
entityManager.persist(nullNameFoo);
entityTransaction.commit();
final String jql = "Select f from Foo as f order by f.name desc NULLS FIRST";
final Query sortQuery = entityManager.createQuery(jql);
boolean thrown = false;
try {
final List<Foo> fooList = sortQuery.getResultList();
} catch (final javax.persistence.PersistenceException e) {
thrown = true;
final List<Foo> fooList = sortQuery.getResultList();
assertNull(fooList.get(0).getName());
for (final Foo foo : fooList) {
System.out.println("Name:" + foo.getName());
}
assertTrue(thrown);
}
@Test
public final void whenSortingFooWithCriteria_thenPrintSortedFoos() {
final EntityManagerFactory emf = Persistence.createEntityManagerFactory("punit");
final EntityManager entityManager = emf.createEntityManager();
final CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
criteriaBuilder = entityManager.getCriteriaBuilder();
final CriteriaQuery<Foo> criteriaQuery = criteriaBuilder.createQuery(Foo.class);
final Root<Foo> from = criteriaQuery.from(Foo.class);
final CriteriaQuery<Foo> select = criteriaQuery.select(from);
@ -163,14 +135,11 @@ public class FooServiceSortingTests {
for (final Foo foo : fooList) {
System.out.println("Name:" + foo.getName() + "--------Id:" + foo.getId());
}
}
@Test
public final void whenSortingFooWithCriteriaAndMultipleAttributes_thenPrintSortedFoos() {
final EntityManagerFactory emf = Persistence.createEntityManagerFactory("punit");
final EntityManager entityManager = emf.createEntityManager();
final CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
criteriaBuilder = entityManager.getCriteriaBuilder();
final CriteriaQuery<Foo> criteriaQuery = criteriaBuilder.createQuery(Foo.class);
final Root<Foo> from = criteriaQuery.from(Foo.class);
final CriteriaQuery<Foo> select = criteriaQuery.select(from);
@ -182,4 +151,5 @@ public class FooServiceSortingTests {
}
}
}