Java tutorial
/* * Copyright (c) 2010-2012. Axon Framework * * 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 nl.enovation.addressbook.cqrs.webui.init; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.context.ApplicationListener; import org.springframework.context.event.ContextRefreshedEvent; import org.springframework.stereotype.Component; /** * <p> * Special class used to initialize the database when starting the container. The database is only initialized when the collection "UserEntry" is not yet available. * </p> * <p> * We need to check for the display name of the application context since we by default have two using spring-mvc the way we do. * </p> * * @author Jettro Coenradie */ @Component public class RunDBInitializerWhenNeeded implements ApplicationListener<ContextRefreshedEvent> { private static final Logger LOGGER = LoggerFactory.getLogger(RunDBInitializerWhenNeeded.class); @Override public void onApplicationEvent(ContextRefreshedEvent event) { DBInit init = event.getApplicationContext().getBean(DBInit.class); if ("Root WebApplicationContext".equals(event.getApplicationContext().getDisplayName())) { init.createItems(); LOGGER.info("The database has been created and refreshed with some data."); } } }