/* 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.impl.bpmn.parser.handler;
import org.activiti.bpmn.model.BaseElement;
import org.activiti.bpmn.model.BoundaryEvent;
import org.activiti.bpmn.model.IntermediateCatchEvent;
import org.activiti.bpmn.model.Signal;
import org.activiti.bpmn.model.SignalEventDefinition;
import org.activiti.bpmn.model.StartEvent;
import org.activiti.bpmn.model.ThrowEvent;
import org.activiti.engine.impl.bpmn.parser.BpmnParse;
import org.activiti.engine.impl.bpmn.parser.EventSubscriptionDeclaration;
import org.activiti.engine.impl.pvm.process.ActivityImpl;
/**
* @author Joram Barrez
*/
public class SignalEventDefinitionParseHandler extends AbstractBpmnParseHandler<SignalEventDefinition> {
public Class< ? extends BaseElement> getHandledType() {
return SignalEventDefinition.class;
}
protected void executeParse(BpmnParse bpmnParse, SignalEventDefinition signalDefinition) {
Signal signal = null;
if (bpmnParse.getBpmnModel().containsSignalId(signalDefinition.getSignalRef())) {
signal = bpmnParse.getBpmnModel().getSignal(signalDefinition.getSignalRef());
String signalName = signal.getName();
signalDefinition.setSignalRef(signalName);
}
if (signal == null) {
return;
}
ActivityImpl activity = bpmnParse.getCurrentActivity();
if (bpmnParse.getCurrentFlowElement() instanceof StartEvent) {
EventSubscriptionDeclaration eventSubscriptionDeclaration = new EventSubscriptionDeclaration(signalDefinition.getSignalRef(), "signal");
eventSubscriptionDeclaration.setActivityId(activity.getId());
eventSubscriptionDeclaration.setStartEvent(true);
addEventSubscriptionDeclaration(bpmnParse, eventSubscriptionDeclaration, signalDefinition, bpmnParse.getCurrentScope());
} else if (bpmnParse.getCurrentFlowElement() instanceof IntermediateCatchEvent){
activity.setProperty("type", "intermediateSignalCatch");
EventSubscriptionDeclaration eventSubscriptionDeclaration = new EventSubscriptionDeclaration(signalDefinition.getSignalRef(), "signal");
if (signal.getScope() != null) {
eventSubscriptionDeclaration.setConfiguration(signal.getScope());
}
if (getPrecedingEventBasedGateway(bpmnParse, (IntermediateCatchEvent) bpmnParse.getCurrentFlowElement()) != null) {
eventSubscriptionDeclaration.setActivityId(activity.getId());
addEventSubscriptionDeclaration(bpmnParse, eventSubscriptionDeclaration, signalDefinition, activity.getParent());
} else {
activity.setScope(true);
addEventSubscriptionDeclaration(bpmnParse, eventSubscriptionDeclaration, signalDefinition, activity);
}
} else if (bpmnParse.getCurrentFlowElement() instanceof ThrowEvent) {
ThrowEvent throwEvent = (ThrowEvent) bpmnParse.getCurrentFlowElement();
activity.setProperty("type", "intermediateSignalThrow");
EventSubscriptionDeclaration eventSubscriptionDeclaration = new EventSubscriptionDeclaration(signalDefinition.getSignalRef(), "signal");
eventSubscriptionDeclaration.setAsync(signalDefinition.isAsync());
activity.setActivityBehavior(bpmnParse.getActivityBehaviorFactory().createIntermediateThrowSignalEventActivityBehavior(throwEvent, signal, eventSubscriptionDeclaration));
} else if (bpmnParse.getCurrentFlowElement() instanceof BoundaryEvent) {
BoundaryEvent boundaryEvent = (BoundaryEvent) bpmnParse.getCurrentFlowElement();
boolean interrupting = boundaryEvent.isCancelActivity();
activity.setActivityBehavior(bpmnParse.getActivityBehaviorFactory().createBoundaryEventActivityBehavior(boundaryEvent, interrupting, activity));
activity.setProperty("type", "boundarySignal");
EventSubscriptionDeclaration eventSubscriptionDeclaration = new EventSubscriptionDeclaration(signalDefinition.getSignalRef(), "signal");
eventSubscriptionDeclaration.setActivityId(activity.getId());
if (signal.getScope() != null) {
eventSubscriptionDeclaration.setConfiguration(signal.getScope());
}
addEventSubscriptionDeclaration(bpmnParse, eventSubscriptionDeclaration, signalDefinition, activity.getParent());
if (activity.getParent() instanceof ActivityImpl) {
((ActivityImpl) activity.getParent()).setScope(true);
}
}
}
}