/* 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 java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.activiti.bpmn.model.BaseElement;
import org.activiti.bpmn.model.BoundaryEvent;
import org.activiti.bpmn.model.ErrorEventDefinition;
import org.activiti.bpmn.model.StartEvent;
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.lang3.StringUtils;
/**
* @author Joram Barrez
*/
public class ErrorEventDefinitionParseHandler extends AbstractBpmnParseHandler<ErrorEventDefinition> {
public static final String PROPERTYNAME_INITIAL = "initial";
public Class< ? extends BaseElement> getHandledType() {
return ErrorEventDefinition.class;
}
protected void executeParse(BpmnParse bpmnParse, ErrorEventDefinition eventDefinition) {
ErrorEventDefinition modelErrorEvent = (ErrorEventDefinition) eventDefinition;
if (bpmnParse.getBpmnModel().containsErrorRef(modelErrorEvent.getErrorCode())) {
String errorCode = bpmnParse.getBpmnModel().getErrors().get(modelErrorEvent.getErrorCode());
modelErrorEvent.setErrorCode(errorCode);
}
ScopeImpl scope = bpmnParse.getCurrentScope();
ActivityImpl activity = bpmnParse.getCurrentActivity();
if (bpmnParse.getCurrentFlowElement() instanceof StartEvent) {
if (scope.getProperty(PROPERTYNAME_INITIAL) == null) {
scope.setProperty(PROPERTYNAME_INITIAL, activity);
// 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();
createErrorStartEventDefinition(modelErrorEvent, activity, catchingScope);
}
} else if (bpmnParse.getCurrentFlowElement() instanceof BoundaryEvent) {
BoundaryEvent boundaryEvent = (BoundaryEvent) bpmnParse.getCurrentFlowElement();
boolean interrupting = true; // non-interrupting not yet supported
activity.setActivityBehavior(bpmnParse.getActivityBehaviorFactory().createBoundaryEventActivityBehavior(boundaryEvent, interrupting, activity));
ActivityImpl parentActivity = scope.findActivity(boundaryEvent.getAttachedToRefId());
createBoundaryErrorEventDefinition(modelErrorEvent, interrupting, parentActivity, activity);
}
}
protected void createErrorStartEventDefinition(ErrorEventDefinition errorEventDefinition, ActivityImpl startEventActivity, ScopeImpl scope) {
org.activiti.engine.impl.bpmn.parser.ErrorEventDefinition definition = new org.activiti.engine.impl.bpmn.parser.ErrorEventDefinition(startEventActivity.getId());
if (StringUtils.isNotEmpty(errorEventDefinition.getErrorCode())) {
definition.setErrorCode(errorEventDefinition.getErrorCode());
}
definition.setPrecedence(10);
addErrorEventDefinition(definition, scope);
}
public void createBoundaryErrorEventDefinition(ErrorEventDefinition errorEventDefinition, boolean interrupting,
ActivityImpl activity, ActivityImpl nestedErrorEventActivity) {
nestedErrorEventActivity.setProperty("type", "boundaryError");
ScopeImpl catchingScope = nestedErrorEventActivity.getParent();
((ActivityImpl) catchingScope).setScope(true);
org.activiti.engine.impl.bpmn.parser.ErrorEventDefinition definition =
new org.activiti.engine.impl.bpmn.parser.ErrorEventDefinition(nestedErrorEventActivity.getId());
definition.setErrorCode(errorEventDefinition.getErrorCode());
addErrorEventDefinition(definition, catchingScope);
}
@SuppressWarnings("unchecked")
protected void addErrorEventDefinition(org.activiti.engine.impl.bpmn.parser.ErrorEventDefinition errorEventDefinition, ScopeImpl catchingScope) {
List<org.activiti.engine.impl.bpmn.parser.ErrorEventDefinition> errorEventDefinitions =
(List<org.activiti.engine.impl.bpmn.parser.ErrorEventDefinition>) catchingScope.getProperty(PROPERTYNAME_ERROR_EVENT_DEFINITIONS);
if(errorEventDefinitions == null) {
errorEventDefinitions = new ArrayList<org.activiti.engine.impl.bpmn.parser.ErrorEventDefinition>();
catchingScope.setProperty(PROPERTYNAME_ERROR_EVENT_DEFINITIONS, errorEventDefinitions);
}
errorEventDefinitions.add(errorEventDefinition);
Collections.sort(errorEventDefinitions, org.activiti.engine.impl.bpmn.parser.ErrorEventDefinition.comparator);
}
}