com.apress.prospringintegration.springenterprise.stocks.dao.jpaandentitymanagers.StocksJpaConfig.java Source code

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Here is the source code for com.apress.prospringintegration.springenterprise.stocks.dao.jpaandentitymanagers.StocksJpaConfig.java

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/*
 * Copyright 2002-2011 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.apress.prospringintegration.springenterprise.stocks.dao.jpaandentitymanagers;

import com.apress.prospringintegration.springenterprise.stocks.config.StocksBaseConfig;
import org.hibernate.SessionFactory;
import org.hibernate.ejb.HibernateEntityManagerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.ImportResource;
import org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor;
import org.springframework.orm.hibernate3.HibernateTemplate;
import org.springframework.orm.jpa.JpaTemplate;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;

@Configuration
@ImportResource("classpath:jpa-entity-manager.xml")
public class StocksJpaConfig extends StocksBaseConfig {

    // Entity Manger for JPA
    @Bean
    public LocalContainerEntityManagerFactoryBean entityManagerFactory() {
        LocalContainerEntityManagerFactoryBean entityManagerFactory = new LocalContainerEntityManagerFactoryBean();
        entityManagerFactory.setDataSource(dataSource());
        return entityManagerFactory;
    }

    // JPA Template
    @Bean
    public JpaTemplate jpaTemplate() {
        return new JpaTemplate(entityManagerFactory().getObject());
    }

    // Transaction Manager for JPA
    @Bean
    public JpaTransactionManager transactionManager() {
        return new JpaTransactionManager(entityManagerFactory().getObject());
    }

    // Since we're no longer using the JpaTemplate, we don't benefit from the exception translation
    // so we need to turn this on explicitly
    @Bean
    public PersistenceExceptionTranslationPostProcessor persistenceExceptionTranslationPostProcessor() {
        PersistenceExceptionTranslationPostProcessor persistenceExceptionTranslationPostProcessor = new PersistenceExceptionTranslationPostProcessor();
        return persistenceExceptionTranslationPostProcessor;
    }
}