/*
*
* 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.awt.Point;
import java.util.ArrayList;
import org.apache.airavata.workflow.model.component.Component;
import org.apache.airavata.workflow.model.component.system.StreamSourceComponent;
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.Port;
import org.apache.axiom.om.util.UUIDGenerator;
import org.xmlpull.infoset.XmlElement;
public class StreamSourceNode extends ParameterNode {
private String streamSourceURL;
private ArrayList<InputNode> inputNodes = new ArrayList<InputNode>();
private String label;
/**
* Creates an InputNode.
*
* @param graph
*/
public StreamSourceNode(Graph graph) {
super(graph);
this.label = UUIDGenerator.getUUID();
}
/**
* Constructs an InputNode.
*
* @param nodeElement
* @throws GraphException
*/
public StreamSourceNode(XmlElement nodeElement) throws GraphException {
super(nodeElement);
this.label = UUIDGenerator.getUUID();
}
/**
* @see org.apache.airavata.workflow.model.graph.impl.NodeImpl#getComponent()
*/
@Override
public Component getComponent() {
Component component = super.getComponent();
if (component == null) {
// The component is null when read from the graph XML.
component = new StreamSourceComponent();
setComponent(component);
}
return component;
}
/**
* Returns the port of this InputNode.
*
* Note that an InputNode always has only one output port.
*
* @return The port
*/
@Override
public SystemDataPort getPort() {
return (SystemDataPort) getOutputPorts().get(0);
}
/**
* Returns the first port that this input node is connected to.
*
* @return The first port that this input node is connected to
*/
@Override
public Port getConnectedPort() {
return getPort().getEdge(0).getToPort();
}
/**
* Returns the streamSourceURL.
*
* @return The streamSourceURL
*/
public String getStreamSourceURL() {
return this.streamSourceURL;
}
/**
* Sets streamSourceURL.
*
* @param streamSourceURL
* The streamSourceURL to set.
*/
public void setStreamSourceURL(String streamSourceURL) {
this.streamSourceURL = streamSourceURL;
}
/**
* @param inputNode
*/
public void addInputNode(InputNode inputNode) {
if (!this.inputNodes.contains(inputNode)) {
this.inputNodes.add(inputNode);
}
setPosition(this.getPosition());
}
@Override
public void setPosition(Point point) {
super.setPosition(point);
int count = 0;
for (InputNode inputNode : this.inputNodes) {
inputNode.setPosition(new Point(point.x + 5 + count * 5, point.y + 25 + count * 45));
++count;
}
}
public ArrayList<InputNode> getInputNodes() {
return this.inputNodes;
}
/**
*
*/
public String getlabel() {
return this.label;
}
public XmlElement toXML() {
XmlElement xml = super.toXML();
xml.setAttributeValue(GraphSchema.NS, GraphSchema.NODE_TYPE_ATTRIBUTE, GraphSchema.NODE_TYPE_STREAM_SOURCE);
return xml;
}
}