org.activiti.engine.impl.bpmn.parser.handler.CompensateEventDefinitionParseHandler Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of activiti-engine Show documentation
workflow engine base on bboss and activiti.
The newest version!
/* 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.CompensateEventDefinition;
import org.activiti.bpmn.model.ThrowEvent;
import org.activiti.engine.impl.bpmn.parser.BpmnParse;
import org.activiti.engine.impl.pvm.process.ActivityImpl;
import org.activiti.engine.impl.pvm.process.ScopeImpl;
import org.apache.commons.lang.StringUtils;

/**
 * @author Joram Barrez
 */
public class CompensateEventDefinitionParseHandler extends AbstractBpmnParseHandler {

  public Class< ? extends BaseElement> getHandledType() {
    return CompensateEventDefinition.class;
  }

  protected void executeParse(BpmnParse bpmnParse, CompensateEventDefinition eventDefinition) {
    
    ScopeImpl scope = bpmnParse.getCurrentScope();
    if(StringUtils.isNotEmpty(eventDefinition.getActivityRef())) {
      if(scope.findActivity(eventDefinition.getActivityRef()) == null) {
        bpmnParse.getBpmnModel().addProblem("Invalid attribute value for 'activityRef': no activity with id '" + eventDefinition.getActivityRef() +
            "' in current scope " + scope.getId(), eventDefinition);
      }
    }
    
    org.activiti.engine.impl.bpmn.parser.CompensateEventDefinition compensateEventDefinition = 
            new org.activiti.engine.impl.bpmn.parser.CompensateEventDefinition();
    compensateEventDefinition.setActivityRef(eventDefinition.getActivityRef());
    compensateEventDefinition.setWaitForCompletion(eventDefinition.isWaitForCompletion());
    
    ActivityImpl activity = bpmnParse.getCurrentActivity();
    if (bpmnParse.getCurrentFlowElement() instanceof ThrowEvent) {
      
      activity.setActivityBehavior(bpmnParse.getActivityBehaviorFactory().createIntermediateThrowCompensationEventActivityBehavior((ThrowEvent) bpmnParse.getCurrentFlowElement(), compensateEventDefinition));
      
    } 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", "compensationBoundaryCatch");
      
      ScopeImpl parent = activity.getParent();
      for (ActivityImpl child : parent.getActivities()) {
        if (child.getProperty("type").equals("compensationBoundaryCatch") && child != activity ) {
          bpmnParse.getBpmnModel().addProblem("multiple boundary events with compensateEventDefinition not supported on same activity.", eventDefinition);        
        }
      }
      
    } else {
      
      // What to do?
      
    }
    
  }
  
}