org.camunda.bpm.engine.impl.tree.OutputVariablesPropagator Maven / Gradle / Ivy
/*
* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. Camunda licenses this file to you under the Apache License,
* Version 2.0; 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.camunda.bpm.engine.impl.tree;
import org.camunda.bpm.engine.impl.pvm.delegate.ActivityExecution;
import org.camunda.bpm.engine.impl.pvm.delegate.SubProcessActivityBehavior;
import org.camunda.bpm.engine.impl.pvm.process.ActivityImpl;
import org.camunda.bpm.engine.impl.pvm.runtime.PvmExecutionImpl;
/**
* Pass the output variables from the process instance of a subprocess to the
* calling process instance.
*
* @author Philipp Ossler
*
*/
public class OutputVariablesPropagator implements TreeVisitor {
@Override
public void visit(ActivityExecution execution) {
if (isProcessInstanceOfSubprocess(execution)) {
PvmExecutionImpl superExecution = (PvmExecutionImpl) execution.getSuperExecution();
ActivityImpl activity = superExecution.getActivity();
SubProcessActivityBehavior subProcessActivityBehavior = (SubProcessActivityBehavior) activity.getActivityBehavior();
subProcessActivityBehavior.passOutputVariables(superExecution, execution);
}
}
protected boolean isProcessInstanceOfSubprocess(ActivityExecution execution) {
return execution.isProcessInstanceExecution() && execution.getSuperExecution() != null;
}
}