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 java.util.List; import org.hibernate.JDBCException; import org.hibernate.Session; import org.hibernate.Transaction; import co.nubetech.crux.model.ColumnAlias; import co.nubetech.crux.util.CruxException; import com.googlecode.s2hibernate.struts2.plugin.annotations.SessionTarget; import com.googlecode.s2hibernate.struts2.plugin.annotations.TransactionTarget; public class ColumnAliasDAO { @SessionTarget public Session session; @TransactionTarget Transaction transaction; public ColumnAlias findById(Long id) { ColumnAlias detail = (ColumnAlias) session.get(ColumnAlias.class, id); return detail; } public long save(ColumnAlias detail) throws CruxException { try { transaction.begin(); session.saveOrUpdate(detail); transaction.commit(); } catch (JDBCException e) { transaction.rollback(); throw new CruxException(e.getSQLException().getMessage(), e); } return detail.getId(); } public long delete(ColumnAlias detail) throws CruxException { long id = detail.getId(); try { // deleteAllChildrens(detail); transaction.begin(); session.delete(detail); transaction.commit(); } catch (JDBCException e) { transaction.rollback(); throw new CruxException(e.getSQLException().getMessage(), e); } return id; } /* * public void deleteAllChildrens(ColumnAlias detail) throws CruxException { * List<ReportDesign> result = session.createQuery("from ReportDesign") * .list(); Iterator<ReportDesign> iterator = result.iterator(); while * (iterator.hasNext()) { ReportDesign reportDesign = iterator.next(); if * (reportDesign.getColumnAlias().getId() == detail.getId()) { * transaction.begin(); session.delete(reportDesign); transaction.commit(); * } } } */ public List<ColumnAlias> findAll() { System.out.println("session is " + session); List<ColumnAlias> result = session.createQuery("from ColumnAlias order by id").list(); return result; } }