/*
* 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.model.op;
import java.util.Map;
import org.jbpm.api.JbpmException;
import org.jbpm.api.activity.ExternalActivityBehaviour;
import org.jbpm.internal.log.Log;
import org.jbpm.pvm.internal.job.MessageImpl;
import org.jbpm.pvm.internal.model.ExecutionImpl;
import org.jbpm.pvm.internal.model.ActivityImpl;
import org.jbpm.pvm.internal.model.ExecutionImpl.Propagation;
/**
* @author Tom Baeyens
*/
public class Signal extends AtomicOperation {
private static final long serialVersionUID = 1L;
private static final Log log = Log.getLog(Signal.class.getName());
String signalName;
Map<String, ?> parameters;
public Signal(String signalName, Map<String, ?> parameters) {
this.signalName = signalName;
this.parameters = parameters;
}
public boolean isAsync(ExecutionImpl execution) {
return false;
}
public void perform(ExecutionImpl execution) {
ActivityImpl activity = execution.getActivity();
if (execution.getName()!=null) {
log.debug(execution.toString()+" signals "+activity);
} else {
log.debug("signalling "+activity+", signalName="+signalName);
}
ExternalActivityBehaviour externalActivityBehaviour = (ExternalActivityBehaviour) activity.getBehaviour();
try {
execution.setPropagation(Propagation.UNSPECIFIED);
externalActivityBehaviour.signal(execution, signalName, parameters);
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
throw new JbpmException("couldn't signal "+activity+": "+e.getMessage(), e);
}
if (execution.getPropagation() == Propagation.UNSPECIFIED) {
execution.proceed();
}
}
public String toString() {
return "Signal";
}
public MessageImpl<?> createAsyncMessage(ExecutionImpl execution) {
return null;
}
}