io.zeebe.model.bpmn.traversal.TypeHierarchyVisitor Maven / Gradle / Ivy
/*
* Copyright © 2017 camunda services GmbH ([email protected])
*
* 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 io.zeebe.model.bpmn.traversal;
import io.zeebe.model.bpmn.Bpmn;
import io.zeebe.model.bpmn.impl.BpmnImpl;
import io.zeebe.model.bpmn.instance.BpmnModelElementInstance;
import java.util.List;
import org.camunda.bpm.model.xml.type.ModelElementType;
/**
* Maintains a registry of visitors per element type (e.g. one for FlowNode, one for ServiceTask,
* etc.). When visiting an element, it calls the #
*
*
* - A visitor for a super type is visited before a sub type
*/
public abstract class TypeHierarchyVisitor implements ModelElementVisitor {
@Override
public void visit(BpmnModelElementInstance instance) {
final ModelElementType type = instance.getElementType();
final List
typeHierarchy = getTypeHierarchy(type);
for (ModelElementType implementedType : typeHierarchy) {
visit(implementedType, instance);
}
}
protected abstract void visit(
ModelElementType implementedType, BpmnModelElementInstance instance);
private List getTypeHierarchy(ModelElementType type) {
return ((BpmnImpl) Bpmn.INSTANCE).getHierarchy(type);
}
}