org.ow2.bonita.env.descriptor.HibernateSessionDescriptor.java Source code

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Here is the source code for org.ow2.bonita.env.descriptor.HibernateSessionDescriptor.java

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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.ow2.bonita.env.descriptor;

import java.sql.Connection;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.ow2.bonita.env.Environment;
import org.ow2.bonita.env.WireContext;
import org.ow2.bonita.env.WireDefinition;
import org.ow2.bonita.env.WireException;
import org.ow2.bonita.runtime.tx.HibernateSessionResource;
import org.ow2.bonita.runtime.tx.StandardTransaction;
import org.ow2.bonita.util.ExceptionManager;

/**
 * @author Tom Baeyens
 */
public class HibernateSessionDescriptor extends AbstractDescriptor {

    private static final long serialVersionUID = 1L;
    private static final Logger LOG = Logger.getLogger(HibernateSessionDescriptor.class.getName());

    protected String factoryName;
    protected boolean useCurrent = false;
    protected boolean tx = true;
    protected boolean close = true;
    protected String standardTransactionName;
    protected String connectionName;

    public Object construct(WireContext wireContext) {
        Environment environment = Environment.getCurrent();
        if (environment == null) {
            throw new WireException("no environment");
        }

        // get the hibernate-session-factory
        SessionFactory sessionFactory = null;
        if (factoryName != null) {
            sessionFactory = (SessionFactory) wireContext.get(factoryName);
        } else {
            sessionFactory = environment.get(SessionFactory.class);
        }
        if (sessionFactory == null) {
            String message = ExceptionManager.getInstance().getFullMessage("bp_HSD_1",
                    (factoryName != null ? "'" + factoryName + "'" : "by type "));
            throw new WireException(message);
        }

        // open the hibernate-session
        Session session = null;
        if (useCurrent) {
            if (LOG.isLoggable(Level.FINE)) {
                LOG.fine("getting current hibernate session");
            }
            session = sessionFactory.getCurrentSession();

        } else if (connectionName != null) {
            Connection connection = (Connection) wireContext.get(connectionName);
            if (LOG.isLoggable(Level.FINE)) {
                LOG.fine("creating hibernate session with connection " + connection);
            }
            session = sessionFactory.openSession(connection);

        } else {
            if (LOG.isLoggable(Level.FINE)) {
                LOG.fine("creating hibernate session");
            }
            session = sessionFactory.openSession();
        }

        StandardTransaction standardTransaction = environment.get(StandardTransaction.class);
        if (standardTransaction != null) {
            HibernateSessionResource hibernateSessionResource = new HibernateSessionResource(session);
            standardTransaction.enlistResource(hibernateSessionResource);
        }

        return session;
    }

    public Class<?> getType(WireDefinition wireDefinition) {
        return Session.class;
    }

    public void setFactoryName(String factoryName) {
        this.factoryName = factoryName;
    }

    public void setTx(boolean tx) {
        this.tx = tx;
    }

    public void setStandardTransactionName(String standardTransactionName) {
        this.standardTransactionName = standardTransactionName;
    }

    public void setConnectionName(String connectionName) {
        this.connectionName = connectionName;
    }

    public void setUseCurrent(boolean useCurrent) {
        this.useCurrent = useCurrent;
    }

    public void setClose(boolean close) {
        this.close = close;
    }
}