org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperationActivityInstanceStart 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.
*/
package org.camunda.bpm.engine.impl.pvm.runtime.operation;
import org.camunda.bpm.engine.impl.pvm.PvmActivity;
import org.camunda.bpm.engine.impl.pvm.delegate.CompositeActivityBehavior;
import org.camunda.bpm.engine.impl.pvm.runtime.CompensationBehavior;
import org.camunda.bpm.engine.impl.pvm.runtime.PvmExecutionImpl;
/**
* Base Atomic operation for implementing atomic operations which mark the creation
* of a new activity instance.
*
* The new activity instance is created *before* the START listeners are invoked
* on the execution.
*
* @author Daniel Meyer
*
*/
public abstract class PvmAtomicOperationActivityInstanceStart extends AbstractPvmEventAtomicOperation {
@Override
protected PvmExecutionImpl eventNotificationsStarted(PvmExecutionImpl execution) {
execution.incrementSequenceCounter();
execution.activityInstanceStarting();
execution.enterActivityInstance();
execution.setTransition(null);
return execution;
}
protected void eventNotificationsCompleted(PvmExecutionImpl execution) {
// hack around execution tree structure not being in sync with activity instance concept:
// if we start a scope activity, remember current activity instance in parent
PvmExecutionImpl parent = execution.getParent();
PvmActivity activity = execution.getActivity();
if(parent != null && execution.isScope() && activity.isScope() && canHaveChildScopes(execution)) {
parent.setActivityInstanceId(execution.getActivityInstanceId());
}
}
protected boolean canHaveChildScopes(PvmExecutionImpl execution) {
PvmActivity activity = execution.getActivity();
return activity.getActivityBehavior() instanceof CompositeActivityBehavior
|| CompensationBehavior.isCompensationThrowing(execution);
}
}