co.nubetech.crux.dao.ColumnAliasDAO.java Source code

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/**
 * 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;
    }
}