/*
* 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 org.jbpm.api.JbpmException;
import org.jbpm.api.cmd.Command;
import org.jbpm.pvm.internal.cmd.CommandService;
import org.jbpm.pvm.internal.env.EnvironmentImpl;
import org.jbpm.pvm.internal.session.MessageSession;
/**
* @author Tom Baeyens
*/
public class AsyncCommandService implements CommandService {
boolean propagateUserId = true;
public <T> T execute(Command<T> command) {
EnvironmentImpl environment = EnvironmentImpl.getCurrent();
if (environment==null) {
throw new JbpmException("no environment for verifying authorization");
}
MessageSession messageSession = environment.get(MessageSession.class);
if (messageSession==null) {
throw new JbpmException("no message session for executing command asynchronously");
}
String userId = (propagateUserId ? environment.getAuthenticatedUserId() : null);
messageSession.send(new AsyncCommandMessage(command, userId));
return null;
}
public void setPropagateUserId(boolean propagateUserId) {
this.propagateUserId = propagateUserId;
}
}