/* 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.BpmnModel;
import org.activiti.bpmn.model.IntermediateCatchEvent;
import org.activiti.bpmn.model.Message;
import org.activiti.bpmn.model.MessageEventDefinition;
import org.activiti.bpmn.model.StartEvent;
import org.activiti.engine.impl.bpmn.parser.BpmnParse;
import org.activiti.engine.impl.bpmn.parser.EventSubscriptionDeclaration;
import org.activiti.engine.impl.pvm.process.ActivityImpl;
import org.activiti.engine.impl.pvm.process.ScopeImpl;
/**
* @author Joram Barrez
*/
public class MessageEventDefinitionParseHandler extends AbstractBpmnParseHandler<MessageEventDefinition> {
public Class< ? extends BaseElement> getHandledType() {
return MessageEventDefinition.class;
}
protected void executeParse(BpmnParse bpmnParse, MessageEventDefinition messageDefinition) {
BpmnModel bpmnModel = bpmnParse.getBpmnModel();
String messageRef = messageDefinition.getMessageRef();
if (bpmnModel.containsMessageId(messageRef)) {
Message message = bpmnModel.getMessage(messageRef);
messageDefinition.setMessageRef(message.getName());
messageDefinition.setExtensionElements(message.getExtensionElements());
}
EventSubscriptionDeclaration eventSubscription = new EventSubscriptionDeclaration(messageDefinition.getMessageRef(), "message");
ScopeImpl scope = bpmnParse.getCurrentScope();
ActivityImpl activity = bpmnParse.getCurrentActivity();
if (bpmnParse.getCurrentFlowElement() instanceof StartEvent && bpmnParse.getCurrentSubProcess() != null) {
// the scope of the event subscription is the parent of the event
// subprocess (subscription must be created when parent is initialized)
ScopeImpl catchingScope = ((ActivityImpl) scope).getParent();
EventSubscriptionDeclaration eventSubscriptionDeclaration = new EventSubscriptionDeclaration(messageDefinition.getMessageRef(), "message");
eventSubscriptionDeclaration.setActivityId(activity.getId());
eventSubscriptionDeclaration.setStartEvent(false);
addEventSubscriptionDeclaration(bpmnParse, eventSubscriptionDeclaration, messageDefinition, catchingScope);
} else if (bpmnParse.getCurrentFlowElement() instanceof StartEvent) {
activity.setProperty("type", "messageStartEvent");
eventSubscription.setStartEvent(true);
eventSubscription.setActivityId(activity.getId());
addEventSubscriptionDeclaration(bpmnParse, eventSubscription, messageDefinition, bpmnParse.getCurrentProcessDefinition());
} else if (bpmnParse.getCurrentFlowElement() instanceof IntermediateCatchEvent) {
activity.setProperty("type", "intermediateMessageCatch");
if(getPrecedingEventBasedGateway(bpmnParse, (IntermediateCatchEvent) bpmnParse.getCurrentFlowElement()) != null) {
eventSubscription.setActivityId(activity.getId());
addEventSubscriptionDeclaration(bpmnParse, eventSubscription, messageDefinition, activity.getParent());
} else {
activity.setScope(true);
addEventSubscriptionDeclaration(bpmnParse, eventSubscription, messageDefinition, activity);
}
} 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", "boundaryMessage");
EventSubscriptionDeclaration eventSubscriptionDeclaration = new EventSubscriptionDeclaration(messageDefinition.getMessageRef(), "message");
eventSubscriptionDeclaration.setActivityId(activity.getId());
addEventSubscriptionDeclaration(bpmnParse, eventSubscriptionDeclaration, messageDefinition, activity.getParent());
if (activity.getParent() instanceof ActivityImpl) {
((ActivityImpl) activity.getParent()).setScope(true);
}
}
else {
// What to do here?
}
}
}