Java tutorial
/** * Copyright 2011 Nube Technologies * * 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 co.nubetech.crux.dao; import org.hibernate.JDBCException; import org.hibernate.Session; import org.hibernate.Transaction; import co.nubetech.crux.model.ConnectionProperty; import co.nubetech.crux.util.CruxException; import com.googlecode.s2hibernate.struts2.plugin.annotations.SessionTarget; import com.googlecode.s2hibernate.struts2.plugin.annotations.TransactionTarget; public class ConnectionPropertyDAO { @SessionTarget public Session session; @TransactionTarget public Transaction transaction; public ConnectionProperty findById(Long id) { ConnectionProperty connectionProperty = (ConnectionProperty) session.get(ConnectionProperty.class, id); return connectionProperty; } public long save(ConnectionProperty connectionProperty) throws CruxException { try { transaction.begin(); session.saveOrUpdate(connectionProperty); transaction.commit(); } catch (JDBCException e) { transaction.rollback(); throw new CruxException(e.getSQLException().getMessage(), e); } return connectionProperty.getId(); } public long delete(ConnectionProperty connectionProperty) throws CruxException { long id = connectionProperty.getId(); try { transaction.begin(); session.delete(connectionProperty); transaction.commit(); } catch (JDBCException e) { transaction.rollback(); throw new CruxException(e.getSQLException().getMessage(), e); } return id; } }