package com.jverstry.Configuration;
import java.util.Properties;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabase;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;
@Configuration
@EnableJpaRepositories(basePackages={"com.jverstry"})
@EnableTransactionManagement
public class JpaConfig implements DisposableBean {
private EmbeddedDatabase ed;
@Bean(name="hsqlInMemory")
public EmbeddedDatabase hsqlInMemory() {
if ( this.ed == null ) {
EmbeddedDatabaseBuilder builder = new EmbeddedDatabaseBuilder();
this.ed = builder.setType(EmbeddedDatabaseType.HSQL).build();
}
return this.ed;
}
@Bean
public LocalContainerEntityManagerFactoryBean entityManagerFactory(){
LocalContainerEntityManagerFactoryBean lcemfb
= new LocalContainerEntityManagerFactoryBean();
lcemfb.setDataSource(this.hsqlInMemory());
lcemfb.setPackagesToScan(new String[] {"com.jverstry"});
lcemfb.setPersistenceUnitName("MyPU");
HibernateJpaVendorAdapter va = new HibernateJpaVendorAdapter();
lcemfb.setJpaVendorAdapter(va);
Properties ps = new Properties();
ps.put("hibernate.dialect", "org.hibernate.dialect.HSQLDialect");
ps.put("hibernate.hbm2ddl.auto", "create");
lcemfb.setJpaProperties(ps);
lcemfb.afterPropertiesSet();
return lcemfb;
}
@Bean
public PlatformTransactionManager transactionManager(){
JpaTransactionManager tm = new JpaTransactionManager();
tm.setEntityManagerFactory(
this.entityManagerFactory().getObject() );
return tm;
}
@Bean
public PersistenceExceptionTranslationPostProcessor exceptionTranslation(){
return new PersistenceExceptionTranslationPostProcessor();
}
@Override
public void destroy() {
if ( this.ed != null ) {
this.ed.shutdown();
}
}
}