com.sos.hibernate.layer.SOSHibernateDBLayer.java Source code

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Here is the source code for com.sos.hibernate.layer.SOSHibernateDBLayer.java

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/**
 * Copyright (C) 2014 BigLoupe http://bigloupe.github.io/SoS-JobScheduler/
 *
 * 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
 */
/********************************************************* begin of preamble
**
** Copyright (C) 2003-2012 Software- und Organisations-Service GmbH. 
** All rights reserved.
**
** This file may be used under the terms of either the 
**
**   GNU General Public License version 2.0 (GPL)
**
**   as published by the Free Software Foundation
**   http://www.gnu.org/licenses/gpl-2.0.txt and appearing in the file
**   LICENSE.GPL included in the packaging of this file. 
**
** or the
**  
**   Agreement for Purchase and Licensing
**
**   as offered by Software- und Organisations-Service GmbH
**   in the respective terms of supply that ship with this file.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
** IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
** THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
** PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
** BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
** CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
** ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
** POSSIBILITY OF SUCH DAMAGE.
********************************************************** end of preamble*/
package com.sos.hibernate.layer;

import java.io.File;
import java.util.Date;
import java.util.GregorianCalendar;

import org.apache.log4j.Logger;
import org.hibernate.CacheMode;

import org.hibernate.Query;
import org.hibernate.Session;

import org.hibernate.Transaction;

import com.sos.hibernate.classes.SOSHibernateFilter;
import com.sos.hibernate.classes.SosHibernateSession;

/**
* \class SOSHibernateDBLayer 
* 
* \brief SOSHibernateDBLayer - 
* 
* \details
*
* \section SOSHibernateDBLayer.java_intro_sec Introduction
*
* \section SOSHibernateDBLayer.java_samples Some Samples
*
* \code
*   .... code goes here ...
* \endcode
*
* <p style="text-align:center">
* <br />---------------------------------------------------------------------------
* <br /> APL/Software GmbH - Berlin
* <br />##### generated by ClaviusXPress (http://www.sos-berlin.com) #########
* <br />---------------------------------------------------------------------------
* </p>
* \author Uwe Risse
* \version 06.10.2011
* \see reference
*
* Created on 06.10.2011 14:23:43
 */

public class SOSHibernateDBLayer {

    @SuppressWarnings("unused")
    private final String conClassName = "SOSHibernateDBLayer";
    private static Logger logger = Logger.getLogger(SOSHibernateDBLayer.class);

    //private static   ServiceRegistry serviceRegistry=null;

    protected Session session = null;
    protected Transaction transaction = null;

    public SOSHibernateDBLayer() {
        //
    }

    private void initSessionEx() throws Exception {
        session = SosHibernateSession.getInstance(SosHibernateSession.configurationFile);
        if (session == null) {
            String s = String.format("Could not initiate session for database using file %s",
                    SosHibernateSession.configurationFile);
            throw new Exception(s);
        } else {
            session.setCacheMode(CacheMode.IGNORE);
        }

    }

    public void initSession() {
        try {
            initSessionEx();
        } catch (Exception e) {
            String s = String.format("Could not initiate session for database using file %s",
                    SosHibernateSession.configurationFile);
            logger.error(s);
            e.printStackTrace();
        }
    }

    public File getConfigurationFile() {
        return SosHibernateSession.configurationFile;
    }

    public void save(Object dBItem) {
        session.save(dBItem);
        session.flush();
    }

    public void update(Object dBItem) {
        session.update(dBItem);
        session.flush();
    }

    public void saveOrUpdate(Object dBItem) {
        session.saveOrUpdate(dBItem);
        session.flush();
    }

    public Session getSession() {
        if (session == null) {
            initSession();
        }
        return session;
    }

    public void delete(Object dBItem) {
        session.delete(dBItem);
        session.flush();
    }

    public Query createQuery(String hQuery) {
        return this.session.createQuery(hQuery);
    }

    public void beginTransaction() {
        initSession();
        transaction = session.beginTransaction();
    }

    public void commit() {
        if (transaction != null) {
            session.flush();
            transaction.commit();
            //SosHibernateSession.close();
        }

    }

    public void closeSession() {
        if (session != null && session.isOpen()) {
            SosHibernateSession.close();
            session = null;
        }
    }

    public Transaction getTransaction() {
        return transaction;
    }

    public void setTransaction(Transaction transaction) {
        this.transaction = transaction;
    }

    public void setSession(Session session) {
        this.session = session;
    }

    public void setSession(SOSHibernateDBLayer layer) {
        this.session = layer.getSession();
    }

    public void setConfigurationFile(File configurationFile) {
        SosHibernateSession.configurationFile = configurationFile;
    }

}