eugenp

@Configuration
@EnableTransactionManagement
@ImportResource( "classpath*:*springDataConfig.xml" )
public class PersistenceJPAConfig{
   ...
}

eugenp

public interface IFooDAO extends JpaRepository< Foo, Long >{
	
   Foo findByName( final String name );

}

eugenp

<?xml version="1.0" encoding="UTF-8"?>
<beans 
   xmlns="http://www.springframework.org/schema/beans" 
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
   xmlns:jpa="http://www.springframework.org/schema/data/jpa"
   xsi:schemaLocation="
      http://www.springframework.org/schema/beans 
      http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
      http://www.springframework.org/schema/data/jpa 
      http://www.springframework.org/schema/data/jpa/spring-jpa.xsd">

eugenp

@Test( expected = DataAccessException.class )
public void whenAUniqueConstraintIsBroken_thenSpringSpecificExceptionIsThrown(){
   String name = "randomName";
   service.save( new Foo( name ) );
   service.save( new Foo( name ) );
}

eugenp

<dependency>
   <groupId>org.springframework</groupId>
   <artifactId>spring-orm</artifactId>
   <version>3.1.0.RELEASE</version>
</dependency>
<dependency>
   <groupId>org.hibernate</groupId>
   <artifactId>hibernate-entitymanager</artifactId>
   <version>3.6.9.Final</version>
   <scope>runtime</scope>

eugenp

@Configuration
@EnableTransactionManagement
public class PersistenceJPAConfig{
   
   @Bean
   public LocalContainerEntityManagerFactoryBean entityManagerFactoryBean(){
      LocalContainerEntityManagerFactoryBean factoryBean 
       = new LocalContainerEntityManagerFactoryBean();
      factoryBean.setDataSource( restDataSource() );
      factoryBean.setPackagesToScan( new String[ ] { "org.rest" } );

eugenp

<bean id="myEmf" 
 class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
   <property name="dataSource" ref="dataSource" />
   <property name="packagesToScan" value="org.rest" />
   <property name="jpaVendorAdapter">
      <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
         <property name="showSql" value="${hibernate.show_sql}" />
         <property name="generateDdl" value="${jpa.generateDdl}" />
         <property name="databasePlatform" value="${persistence.dialect}" />
      </bean>

eugenp

@Repository
@Scope( BeanDefinition.SCOPE_PROTOTYPE )
public class GenericJpaDAO< T extends Serializable > 
 extends AbstractJpaDAO< T > implements IGenericDAO< T >{
   // 
}

@Repository
@Scope( BeanDefinition.SCOPE_PROTOTYPE )
public class GenericHibernateDAO< T extends Serializable > 

eugenp

@Service
class FooService implements IFooService{
   
   IGenericDAO< Foo > dao;
   
   @Autowired
   public final void setDao( final IGenericDAO< Foo > daoToSet ){
      dao = daoToSet;
      dao.setClazz( Foo.class );
   }

eugenp

public abstract class AbstractJpaDAO< T extends Serializable > {
   
   private Class< T > clazz;
   
   @PersistenceContext
   EntityManager entityManager;
   
   public void setClazz( final Class< T > clazzToSet ){
      this.clazz = clazzToSet;
   }