com.twinsoft.convertigo.engine.billing.HibernateTicketManager.java Source code

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Here is the source code for com.twinsoft.convertigo.engine.billing.HibernateTicketManager.java

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/*
 * Copyright (c) 2001-2011 Convertigo SA.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see<http://www.gnu.org/licenses/>.
 *
 * $URL$
 * $Author$
 * $Revision$
 * $Date$
 */

package com.twinsoft.convertigo.engine.billing;

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

import com.twinsoft.convertigo.engine.EngineException;
import com.twinsoft.convertigo.engine.EnginePropertiesManager;
import com.twinsoft.convertigo.engine.EnginePropertiesManager.PropertyName;
import com.twinsoft.convertigo.engine.helpers.HibernateHelper;

public class HibernateTicketManager implements ITicketManager {

    private HibernateHelper hibernateHelper;
    private Logger log;

    public HibernateTicketManager(Logger log) throws BillingException {
        this.log = log;

        try {
            hibernateHelper = new HibernateHelper(log,
                    EnginePropertiesManager.getProperty(PropertyName.ANALYTICS_PERSISTENCE_DIALECT),
                    EnginePropertiesManager.getProperty(PropertyName.ANALYTICS_PERSISTENCE_JDBC_DRIVER),
                    EnginePropertiesManager.getProperty(PropertyName.ANALYTICS_PERSISTENCE_JDBC_URL),
                    EnginePropertiesManager.getProperty(PropertyName.ANALYTICS_PERSISTENCE_JDBC_USERNAME),
                    EnginePropertiesManager.getProperty(PropertyName.ANALYTICS_PERSISTENCE_JDBC_PASSWORD),
                    EnginePropertiesManager.getPropertyAsLong(PropertyName.ANALYTICS_PERSISTENCE_MAX_RETRY),
                    com.twinsoft.convertigo.engine.billing.Ticket.class);
        } catch (EngineException e) {
            throw new BillingException("Hibernate session factory creation failed", e);
        }

        this.log.info("(HibernateTicketManager) initialized");
    }

    public synchronized void addTicket(Ticket ticket) throws BillingException {
        if (log.isDebugEnabled()) {
            log.debug("(HibernateTicketManager) addTicket " + ticket);
        }
        hibernateHelper.insert(ticket);
    }

    public synchronized Ticket peekTicket() throws BillingException {
        final Ticket[] ticket = { null };
        hibernateHelper.retry(new Runnable() {
            @Override
            public void run() {
                StatelessSession session = hibernateHelper.getSession();
                try {
                    ticket[0] = (Ticket) session.createCriteria(Ticket.class).setMaxResults(1).uniqueResult();
                    ;
                    if (log.isDebugEnabled()) {
                        log.debug("(HibernateTicketManager) peekTicket " + ticket[0]);
                    }
                } finally {
                    session.close();
                }
            }
        });
        return ticket[0];
    }

    public synchronized void removeTicket(Ticket ticket) throws BillingException {
        if (log.isDebugEnabled()) {
            log.debug("(HibernateTicketManager) removeTicket " + ticket);
        }
        hibernateHelper.delete(ticket);
    }

    public Ticket newTicket() throws BillingException {
        return new Ticket();
    }

    public synchronized void destroy() throws BillingException {
        if (hibernateHelper != null) {
            hibernateHelper.destroy();
        }
    }
}