/* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.activiti.engine.test.pvm.activities;
import java.util.List;
import org.activiti.engine.impl.pvm.PvmActivity;
import org.activiti.engine.impl.pvm.PvmTransition;
import org.activiti.engine.impl.pvm.delegate.ActivityBehavior;
import org.activiti.engine.impl.pvm.delegate.ActivityExecution;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @author Tom Baeyens
*/
public class ParallelGateway implements ActivityBehavior {
private static final long serialVersionUID = 1L;
private static Logger log = LoggerFactory.getLogger(ParallelGateway.class);
public void execute(ActivityExecution execution) {
PvmActivity activity = execution.getActivity();
List<PvmTransition> outgoingTransitions = execution.getActivity().getOutgoingTransitions();
execution.inactivate();
List<ActivityExecution> joinedExecutions = execution.findInactiveConcurrentExecutions(activity);
int nbrOfExecutionsToJoin = execution.getActivity().getIncomingTransitions().size();
int nbrOfExecutionsJoined = joinedExecutions.size();
if (nbrOfExecutionsJoined==nbrOfExecutionsToJoin) {
log.debug("parallel gateway '{}' activates: {} of {} joined", activity.getId(), nbrOfExecutionsJoined, nbrOfExecutionsToJoin);
execution.takeAll(outgoingTransitions, joinedExecutions);
} else if (log.isDebugEnabled()){
log.debug("parallel gateway '{}' does not activate: {} of {} joined", activity.getId(), nbrOfExecutionsJoined, nbrOfExecutionsToJoin);
}
}
}