Java tutorial
/*** * * Copyright 2014 Andrew Hall * * 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 org.statefulj.demo.ddd.config; import java.util.List; import javax.persistence.EntityManagerFactory; import javax.sql.DataSource; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.data.jpa.repository.config.EnableJpaRepositories; import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder; import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType; 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 org.statefulj.demo.ddd.shared.domain.tx.ObservableTransactionManager; import org.statefulj.demo.ddd.shared.domain.tx.TransactionObserver; import org.statefulj.demo.ddd.shared.events.impl.DeferredEventProducer; import static org.statefulj.demo.ddd.account.domain.Account.*; @Configuration @EnableTransactionManagement @EnableJpaRepositories(basePackages = { "org.statefulj.demo.ddd", "org.statefulj.webapp.repo" }) public class DBConfig { @Bean public TransactionObserver accountApplicationEventProducer() { return new DeferredEventProducer(ACCOUNT_APPLICATION); } @Bean public TransactionObserver accountApprovedEventProducer() { return new DeferredEventProducer(ACCOUNT_APPLICATION_APPROVED); } @Bean public TransactionObserver accountRejectedEventProducer() { return new DeferredEventProducer(ACCOUNT_APPLICATION_REJECTED); } @Bean public LocalContainerEntityManagerFactoryBean entityManagerFactory() { HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter(); vendorAdapter.setGenerateDdl(Boolean.TRUE); vendorAdapter.setShowSql(Boolean.FALSE); LocalContainerEntityManagerFactoryBean factory = new LocalContainerEntityManagerFactoryBean(); factory.setDataSource(dataSource()); factory.setJpaVendorAdapter(vendorAdapter); factory.setPackagesToScan("org.statefulj.demo.ddd", "org.statefulj.webapp.model"); return factory; } @Bean public PlatformTransactionManager transactionManager( LocalContainerEntityManagerFactoryBean entityManagerFactory, List<TransactionObserver> observers) { EntityManagerFactory factory = entityManagerFactory.getObject(); return new ObservableTransactionManager(factory, observers); } @Bean public DataSource dataSource() { return new EmbeddedDatabaseBuilder().setType(EmbeddedDatabaseType.HSQL).build(); } }