BAEL-592 Guide to Hibernate 5 with Spring (#3346)
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package com.baeldung.hibernate.bootstrap;
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import com.baeldung.hibernate.bootstrap.model.TestEntity;
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import org.hibernate.Session;
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import org.hibernate.SessionFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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public abstract class BarHibernateDAO {
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@Autowired
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private SessionFactory sessionFactory;
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public TestEntity findEntity(int id) {
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return getCurrentSession().find(TestEntity.class, 1);
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}
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public void createEntity(TestEntity entity) {
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getCurrentSession().save(entity);
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}
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public void createEntity(int id, String newDescription) {
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TestEntity entity = findEntity(id);
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entity.setDescription(newDescription);
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getCurrentSession().save(entity);
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}
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public void deleteEntity(int id) {
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TestEntity entity = findEntity(id);
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getCurrentSession().delete(entity);
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}
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protected Session getCurrentSession() {
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return sessionFactory.getCurrentSession();
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}
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}
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package com.baeldung.hibernate.bootstrap;
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import com.google.common.base.Preconditions;
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import org.apache.tomcat.dbcp.dbcp2.BasicDataSource;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.context.annotation.PropertySource;
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import org.springframework.core.env.Environment;
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import org.springframework.orm.hibernate5.HibernateTransactionManager;
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import org.springframework.orm.hibernate5.LocalSessionFactoryBean;
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import org.springframework.transaction.PlatformTransactionManager;
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import org.springframework.transaction.annotation.EnableTransactionManagement;
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import javax.sql.DataSource;
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import java.util.Properties;
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@Configuration
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@EnableTransactionManagement
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@PropertySource({ "classpath:persistence-h2.properties" })
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public class HibernateConf {
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@Autowired
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private Environment env;
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@Bean
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public LocalSessionFactoryBean sessionFactory() {
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final LocalSessionFactoryBean sessionFactory = new LocalSessionFactoryBean();
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sessionFactory.setDataSource(dataSource());
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sessionFactory.setPackagesToScan(new String[] { "com.baeldung.hibernate.bootstrap.model" });
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sessionFactory.setHibernateProperties(hibernateProperties());
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return sessionFactory;
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}
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@Bean
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public DataSource dataSource() {
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final BasicDataSource dataSource = new BasicDataSource();
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dataSource.setDriverClassName(Preconditions.checkNotNull(env.getProperty("jdbc.driverClassName")));
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dataSource.setUrl(Preconditions.checkNotNull(env.getProperty("jdbc.url")));
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dataSource.setUsername(Preconditions.checkNotNull(env.getProperty("jdbc.user")));
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dataSource.setPassword(Preconditions.checkNotNull(env.getProperty("jdbc.pass")));
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return dataSource;
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}
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@Bean
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public PlatformTransactionManager hibernateTransactionManager() {
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final HibernateTransactionManager transactionManager = new HibernateTransactionManager();
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transactionManager.setSessionFactory(sessionFactory().getObject());
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return transactionManager;
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}
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private final Properties hibernateProperties() {
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final Properties hibernateProperties = new Properties();
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hibernateProperties.setProperty("hibernate.hbm2ddl.auto", env.getProperty("hibernate.hbm2ddl.auto"));
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hibernateProperties.setProperty("hibernate.dialect", env.getProperty("hibernate.dialect"));
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return hibernateProperties;
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}
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}
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package com.baeldung.hibernate.bootstrap;
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import com.google.common.base.Preconditions;
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import org.apache.tomcat.dbcp.dbcp2.BasicDataSource;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.context.annotation.ImportResource;
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import org.springframework.context.annotation.PropertySource;
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import org.springframework.core.env.Environment;
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import org.springframework.orm.hibernate5.HibernateTransactionManager;
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import org.springframework.orm.hibernate5.LocalSessionFactoryBean;
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import org.springframework.transaction.PlatformTransactionManager;
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import org.springframework.transaction.annotation.EnableTransactionManagement;
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import javax.sql.DataSource;
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import java.util.Properties;
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@Configuration
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@EnableTransactionManagement
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@ImportResource({ "classpath:hibernate5Configuration.xml" })
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public class HibernateXMLConf {
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}
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package com.baeldung.hibernate.bootstrap.model;
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import javax.persistence.Entity;
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import javax.persistence.Id;
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@Entity
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public class TestEntity {
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private int id;
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private String description;
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@Id
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public int getId() {
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return id;
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}
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public void setId(int id) {
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this.id = id;
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}
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public String getDescription() {
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return description;
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}
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public void setDescription(String description) {
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this.description = description;
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}
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}
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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
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xsi:schemaLocation="
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http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
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http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
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<context:property-placeholder location="classpath:persistence-h2.properties"/>
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<bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
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<property name="dataSource" ref="dataSource"/>
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<property name="packagesToScan" value="com.baeldung.hibernate.bootstrap.model"/>
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<property name="hibernateProperties">
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<props>
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<prop key="hibernate.hbm2ddl.auto">${hibernate.hbm2ddl.auto}</prop>
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<prop key="hibernate.dialect">${hibernate.dialect}</prop>
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</props>
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</property>
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</bean>
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<bean id="dataSource" class="org.apache.tomcat.dbcp.dbcp2.BasicDataSource">
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<property name="driverClassName" value="${jdbc.driverClassName}"/>
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<property name="url" value="${jdbc.url}"/>
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<property name="username" value="${jdbc.user}"/>
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<property name="password" value="${jdbc.pass}"/>
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</bean>
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<bean id="txManager" class="org.springframework.orm.hibernate5.HibernateTransactionManager">
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<property name="sessionFactory" ref="sessionFactory"/>
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</bean>
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</beans>
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jdbc.driverClassName=org.h2.Driver
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jdbc.driverClassName=org.h2.Driver
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jdbc.url=jdbc:h2:mem:db;DB_CLOSE_DELAY=-1
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jdbc.url=jdbc:h2:mem:db;DB_CLOSE_DELAY=-1
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jdbc.eventGeneratedId=sa
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jdbc.eventGeneratedId=sa
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jdbc.user=sa
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jdbc.pass=sa
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jdbc.pass=sa
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# hibernate.X
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# hibernate.X
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@ -0,0 +1,38 @@
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package com.baeldung.hibernate.bootstrap;
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import com.baeldung.hibernate.bootstrap.model.TestEntity;
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import org.hibernate.Session;
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import org.hibernate.SessionFactory;
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import org.junit.Assert;
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import org.junit.Before;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.test.context.ContextConfiguration;
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import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
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import org.springframework.test.context.support.AnnotationConfigContextLoader;
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import org.springframework.transaction.annotation.Transactional;
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@RunWith(SpringJUnit4ClassRunner.class)
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@ContextConfiguration(classes = { HibernateConf.class })
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@Transactional
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public class HibernateBootstrapIntegrationTest {
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@Autowired
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private SessionFactory sessionFactory;
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@Test
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public void whenBootstrapHibernateSession_thenNoException() {
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Session session = sessionFactory.getCurrentSession();
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TestEntity newEntity = new TestEntity();
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newEntity.setId(1);
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session.save(newEntity);
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TestEntity searchEntity = session.find(TestEntity.class, 1);
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Assert.assertNotNull(searchEntity);
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}
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}
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package com.baeldung.hibernate.bootstrap;
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import com.baeldung.hibernate.bootstrap.model.TestEntity;
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import org.hibernate.Session;
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import org.hibernate.SessionFactory;
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import org.junit.Assert;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.test.context.ContextConfiguration;
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import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
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import org.springframework.transaction.annotation.Transactional;
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@RunWith(SpringJUnit4ClassRunner.class)
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@ContextConfiguration(classes = { HibernateXMLConf.class })
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@Transactional
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public class HibernateXMLBootstrapIntegrationTest {
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@Autowired
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private SessionFactory sessionFactory;
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@Test
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public void whenBootstrapHibernateSession_thenNoException() {
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Session session = sessionFactory.getCurrentSession();
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TestEntity newEntity = new TestEntity();
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newEntity.setId(1);
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session.save(newEntity);
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TestEntity searchEntity = session.find(TestEntity.class, 1);
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Assert.assertNotNull(searchEntity);
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}
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}
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