/*
* 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.jbpm.pvm.internal.svc;
import java.util.List;
import org.jbpm.pvm.internal.cmd.AbstractCommand;
import org.jbpm.pvm.internal.cmd.Command;
import org.jbpm.pvm.internal.env.Environment;
import org.jbpm.pvm.internal.env.EnvironmentFactory;
import org.jbpm.pvm.internal.env.WireObject;
/** sets up an environment around the execution of the command.
*
* @author Tom Baeyens
*/
public class EnvironmentInterceptor extends Interceptor {
protected EnvironmentFactory environmentFactory;
public <T> T execute(Command<T> command) {
Environment environment;
if (command instanceof AbstractCommand) {
AbstractCommand abstractCommand = (AbstractCommand) command;
List<WireObject> txWireObjects = abstractCommand.getTxWireObjects();
environment = environmentFactory.openEnvironment(txWireObjects);
} else {
environment = environmentFactory.openEnvironment();
}
try {
return next.execute(command);
} finally {
environment.close();
}
}
public EnvironmentFactory getEnvironmentFactory() {
return environmentFactory;
}
public void setEnvironmentFactory(EnvironmentFactory environmentFactory) {
this.environmentFactory = environmentFactory;
}
}