/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.airavata.workflow.model.graph.system;
import java.util.List;
import org.apache.airavata.workflow.model.component.system.ExitComponent;
import org.apache.airavata.workflow.model.graph.ControlEdge;
import org.apache.airavata.workflow.model.graph.Edge;
import org.apache.airavata.workflow.model.graph.Graph;
import org.apache.airavata.workflow.model.graph.GraphException;
import org.apache.airavata.workflow.model.graph.GraphSchema;
import org.apache.airavata.workflow.model.graph.impl.PortImpl;
import org.xmlpull.infoset.XmlElement;
public class ExitNode extends SystemNode {
/**
* Constructs a BPELExitNode.
*
* @param graph
*/
public ExitNode(Graph graph) {
super(graph);
// TODO Auto-generated constructor stub
}
@Override
protected void parseComponent(XmlElement componentElement) {
// No need to parse the XML.
setComponent(new ExitComponent());
}
/**
* @return the node xml
*/
@Override
protected XmlElement toXML() {
XmlElement nodeElement = super.toXML();
nodeElement.setAttributeValue(GraphSchema.NS, GraphSchema.NODE_TYPE_ATTRIBUTE, GraphSchema.NODE_TYPE_EXIT);
return nodeElement;
}
@Override
protected void edgeWasAdded(Edge edge) throws GraphException {
super.edgeWasAdded(edge);
if (edge instanceof ControlEdge) {
List<ControlEdge> edges = getEdges();
if (edges.size() > 1) {
throw new GraphException("Cannot connect more than one Control Ports to the Exit node.");
}
}
}
protected List<ControlEdge> getEdges() {
PortImpl port = getControlInPort();
List<ControlEdge> edges = (List<ControlEdge>) port.getEdges();
return edges;
}
}