/*
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* JBoss, Home of Professional Open Source
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* Copyright 2005, JBoss Inc., and individual contributors as indicated
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* by the @authors tag. See the copyright.txt in the distribution for a
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* full listing of individual contributors.
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*
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* This is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this software; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
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*/
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package org.jbpm.pvm.internal.wire.descriptor;
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import java.sql.Connection;
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import org.hibernate.Session;
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import org.hibernate.SessionFactory;
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import org.hibernate.impl.SessionImpl;
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import org.jbpm.internal.log.Log;
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import org.jbpm.pvm.internal.env.EnvironmentImpl;
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import org.jbpm.pvm.internal.tx.HibernateSessionResource;
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import org.jbpm.pvm.internal.tx.StandardTransaction;
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import org.jbpm.pvm.internal.wire.WireContext;
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import org.jbpm.pvm.internal.wire.WireDefinition;
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import org.jbpm.pvm.internal.wire.WireException;
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/**
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* @author Tom Baeyens
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*/
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public class HibernateSessionDescriptor extends AbstractDescriptor {
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private static final long serialVersionUID = 1L;
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private static final Log log = Log.getLog(HibernateSessionDescriptor.class.getName());
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protected String factoryName;
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protected boolean useCurrent = false;
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protected boolean tx = true;
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protected boolean close = true;
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protected String standardTransactionName;
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protected String connectionName;
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public Object construct(WireContext wireContext) {
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EnvironmentImpl environment = EnvironmentImpl.getCurrent();
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if (environment==null) {
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throw new WireException("no environment");
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}
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// get the hibernate-session-factory
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SessionFactory sessionFactory = null;
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if (factoryName!=null) {
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sessionFactory = (SessionFactory) wireContext.get(factoryName);
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} else {
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sessionFactory = environment.get(SessionFactory.class);
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}
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if (sessionFactory==null) {
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throw new WireException("couldn't find hibernate-session-factory "+(factoryName!=null ? "'"+factoryName+"'" : "by type ")+"to open a hibernate-session");
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}
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// open the hibernate-session
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Session session = null;
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if (useCurrent) {
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if (log.isTraceEnabled()) log.trace("getting current hibernate session");
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session = sessionFactory.getCurrentSession();
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} else if (connectionName!=null) {
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Connection connection = (Connection) wireContext.get(connectionName);
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if (log.isTraceEnabled()) log.trace("creating hibernate session with connection "+connection);
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session = sessionFactory.openSession(connection);
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} else {
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if (log.isTraceEnabled()) log.trace("creating hibernate session");
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session = sessionFactory.openSession();
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}
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StandardTransaction standardTransaction = environment.get(StandardTransaction.class);
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if (standardTransaction!=null) {
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HibernateSessionResource hibernateSessionResource = new HibernateSessionResource(session);
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standardTransaction.enlistResource(hibernateSessionResource);
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}
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return session;
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}
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public Class<?> getType(WireDefinition wireDefinition) {
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return SessionImpl.class;
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}
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public void setFactoryName(String factoryName) {
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this.factoryName = factoryName;
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}
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public void setTx(boolean tx) {
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this.tx = tx;
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}
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public void setStandardTransactionName(String standardTransactionName) {
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this.standardTransactionName = standardTransactionName;
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}
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public void setConnectionName(String connectionName) {
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this.connectionName = connectionName;
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}
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public void setUseCurrent(boolean useCurrent) {
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this.useCurrent = useCurrent;
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}
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public void setClose(boolean close) {
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this.close = close;
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}
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}
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