Java tutorial
/* * Copyright (C) 2011 Toshiaki Maki <makingx@gmail.com> * * 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 am.ik.support.morphia.spring; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.DisposableBean; import org.springframework.beans.factory.FactoryBean; import org.springframework.beans.factory.InitializingBean; import org.springframework.dao.DataAccessException; import org.springframework.dao.support.PersistenceExceptionTranslator; import com.google.code.morphia.Datastore; import com.google.code.morphia.Morphia; import com.mongodb.Mongo; public class MorphiaDataStoreFactoryBean implements FactoryBean<Datastore>, InitializingBean, PersistenceExceptionTranslator, DisposableBean { private static final Logger LOGGER = LoggerFactory.getLogger(MorphiaDataStoreFactoryBean.class); private String host = "localhost"; private Integer port = 27017;; private Datastore ds; private String dbName; private Mongo mongo; @SuppressWarnings("serial") @Override public DataAccessException translateExceptionIfPossible(RuntimeException ex) { return new DataAccessException("Exception occured", ex) { }; } @Override public void afterPropertiesSet() throws Exception { mongo = new Mongo(host, port); ds = new Morphia().createDatastore(mongo, dbName); LOGGER.debug("connect mongo {}", mongo); LOGGER.debug("create datastore {}", ds); } @Override public Datastore getObject() throws Exception { return ds; } @Override public Class<?> getObjectType() { return Datastore.class; } @Override public boolean isSingleton() { return true; } public String getHost() { return host; } public void setHost(String host) { this.host = host; } public Integer getPort() { return port; } public void setPort(Integer port) { this.port = port; } public String getDbName() { return dbName; } public void setDbName(String dbName) { this.dbName = dbName; } @Override public void destroy() throws Exception { LOGGER.debug("close mongo {}", mongo); mongo.close(); } }