org.camunda.bpm.engine.repository.DiagramLayout Maven / Gradle / Ivy
/*
* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. Camunda licenses this file to you under the Apache License,
* Version 2.0; 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.camunda.bpm.engine.repository;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
/**
* Stores a two-dimensional graph layout.
*
* @author Falko Menge
*/
public class DiagramLayout implements Serializable {
private static final long serialVersionUID = 1L;
private Map elements;
public DiagramLayout(Map elements) {
this.setElements(elements);
}
public DiagramNode getNode(String id) {
DiagramElement element = getElements().get(id);
if (element instanceof DiagramNode) {
return (DiagramNode) element;
} else {
return null;
}
}
public DiagramEdge getEdge(String id) {
DiagramElement element = getElements().get(id);
if (element instanceof DiagramEdge) {
return (DiagramEdge) element;
} else {
return null;
}
}
public Map getElements() {
return elements;
}
public void setElements(Map elements) {
this.elements = elements;
}
public List getNodes() {
List nodes = new ArrayList();
for (Entry entry : getElements().entrySet()) {
DiagramElement element = entry.getValue();
if (element instanceof DiagramNode) {
nodes.add((DiagramNode) element);
}
}
return nodes;
}
}