src/main/java/io/mifos/core/data/jpa/core/DatabaseConnectorConfiguration.java

/*
 * Copyright 2017 The Mifos Initiative.
 *
 * 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 io.mifos.core.data.jpa.core;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.JpaVendorAdapter;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import javax.persistence.EntityManagerFactory;
import javax.sql.DataSource;

@Configuration
@EnableTransactionManagement
@ComponentScan({
    "**.core.data.jpa",
})
public class DatabaseConnectorConfiguration {
  public DatabaseConnectorConfiguration() {
    super();
  }

  @Bean(name = DatabaseConnectorConstants.LOGGER_NAME)
  public Logger logger() {
    return LoggerFactory.getLogger(DatabaseConnectorConstants.LOGGER_NAME);
  }

  @Bean
  public LocalContainerEntityManagerFactoryBean entityManagerFactory(final DataSource dataSource) {
    final LocalContainerEntityManagerFactoryBean entityManagerFactoryBean = new LocalContainerEntityManagerFactoryBean();
    entityManagerFactoryBean.setPersistenceUnitName("dynamicRoutingPU");
    entityManagerFactoryBean.setPackagesToScan("**.repository");
    entityManagerFactoryBean.setDataSource(dataSource);

    final JpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
    entityManagerFactoryBean.setJpaVendorAdapter(vendorAdapter);

    return entityManagerFactoryBean;
  }

  @Bean
  public PlatformTransactionManager transactionManager(final EntityManagerFactory entityManagerFactory) {
    final JpaTransactionManager transactionManager = new JpaTransactionManager();
    transactionManager.setEntityManagerFactory(entityManagerFactory);
    return transactionManager;
  }

  @Bean
  public PersistenceExceptionTranslationPostProcessor exceptionTranslation() {
    return new PersistenceExceptionTranslationPostProcessor();
  }
}