org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationCancelActivity Maven / Gradle / Ivy
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* 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.
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package org.camunda.bpm.engine.impl.pvm.runtime.operation;
import org.camunda.bpm.engine.impl.pvm.PvmActivity;
import org.camunda.bpm.engine.impl.pvm.process.ActivityStartBehavior;
import org.camunda.bpm.engine.impl.pvm.runtime.LegacyBehavior;
import org.camunda.bpm.engine.impl.pvm.runtime.PvmExecutionImpl;
/**
* Implements {@link ActivityStartBehavior#CANCEL_EVENT_SCOPE}.
*
* @author Throben Lindhauer
* @author Daniel Meyer
* @author Roman Smirnov
*
*/
public abstract class PvmAtomicOperationCancelActivity implements PvmAtomicOperation {
public void execute(PvmExecutionImpl execution) {
// Assumption: execution is scope
PvmActivity cancellingActivity = execution.getNextActivity();
execution.setNextActivity(null);
// first, cancel and destroy the current scope
execution.setActive(true);
PvmExecutionImpl propagatingExecution = null;
if(LegacyBehavior.isConcurrentScope(execution)) {
// this is legacy behavior
LegacyBehavior.cancelConcurrentScope(execution, (PvmActivity) cancellingActivity.getEventScope());
propagatingExecution = execution;
}
else {
// Unlike PvmAtomicOperationTransitionDestroyScope this needs to use delete() (instead of destroy() and remove()).
// The reason is that PvmAtomicOperationTransitionDestroyScope is executed when a scope (or non scope) is left using
// a sequence flow. In that case the execution will have completed all the work inside the current activity
// and will have no more child executions. In PvmAtomicOperationCancelScope the scope is cancelled due to
// a boundary event firing. In that case the execution has not completed all the work in the current scope / activity
// and it is necessary to delete the complete hierarchy of executions below and including the execution itself.
execution.deleteCascade("Cancel scope activity "+cancellingActivity+" executed.");
propagatingExecution = execution.getParent();
}
propagatingExecution.setActivity(cancellingActivity);
propagatingExecution.setActive(true);
propagatingExecution.setEnded(false);
activityCancelled(propagatingExecution);
}
protected abstract void activityCancelled(PvmExecutionImpl execution);
public boolean isAsync(PvmExecutionImpl execution) {
return false;
}
}