org.activiti.engine.impl.bpmn.parser.handler.StartEventParseHandler Maven / Gradle / Ivy
/* 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.*;
import org.activiti.engine.impl.bpmn.parser.BpmnParse;
import org.activiti.engine.impl.util.CollectionUtil;
/**
*/
public class StartEventParseHandler extends AbstractActivityBpmnParseHandler {
@Override
public Class getHandledType() {
return StartEvent.class;
}
@Override
protected void executeParse(BpmnParse bpmnParse, StartEvent element) {
if (element.getSubProcess() != null && element.getSubProcess() instanceof EventSubProcess) {
if (CollectionUtil.isNotEmpty(element.getEventDefinitions())) {
EventDefinition eventDefinition = element.getEventDefinitions().get(0);
if (eventDefinition instanceof MessageEventDefinition) {
MessageEventDefinition messageDefinition = (MessageEventDefinition) eventDefinition;
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());
}
element.setBehavior(bpmnParse.getActivityBehaviorFactory().createEventSubProcessMessageStartEventActivityBehavior(element, messageDefinition));
} else if (eventDefinition instanceof ErrorEventDefinition) {
element.setBehavior(bpmnParse.getActivityBehaviorFactory().createEventSubProcessErrorStartEventActivityBehavior(element));
}
}
} else if (CollectionUtil.isEmpty(element.getEventDefinitions())) {
element.setBehavior(bpmnParse.getActivityBehaviorFactory().createNoneStartEventActivityBehavior(element));
}
if (element.getSubProcess() == null && (CollectionUtil.isEmpty(element.getEventDefinitions()) ||
bpmnParse.getCurrentProcess().getInitialFlowElement() == null)) {
bpmnParse.getCurrentProcess().setInitialFlowElement(element);
}
}
}