/*
*
* 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.xbaya.graph.system;
import org.apache.airavata.xbaya.component.system.BlockComponent;
import org.apache.airavata.xbaya.graph.Graph;
import org.apache.airavata.xbaya.graph.GraphException;
import org.apache.airavata.xbaya.graph.GraphSchema;
import org.apache.airavata.xbaya.graph.gui.NodeGUI;
import org.apache.airavata.xbaya.graph.system.gui.BlockNodeGUI;
import org.xmlpull.infoset.XmlElement;
public class BlockNode extends SystemNode {
private BlockNodeGUI gui;
/**
* Creates a InputNode.
*
* @param graph
*/
public BlockNode(Graph graph) {
super(graph);
}
/**
* Constructs an IfNode.
*
* @param nodeElement
* @throws GraphException
*/
public BlockNode(XmlElement nodeElement) throws GraphException {
super(nodeElement);
}
/**
* @see org.apache.airavata.xbaya.graph.Node#getGUI()
*/
public NodeGUI getGUI() {
if (this.gui == null) {
this.gui = new BlockNodeGUI(this);
}
return this.gui;
}
/**
* @see org.apache.airavata.xbaya.graph.impl.NodeImpl#getComponent()
*/
@Override
public BlockComponent getComponent() {
BlockComponent component = (BlockComponent) super.getComponent();
if (component == null) {
// The component is null when read from the graph XML.
component = new BlockComponent();
setComponent(component);
}
return component;
}
@Override
protected XmlElement toXML() {
XmlElement nodeElement = super.toXML();
nodeElement.setAttributeValue(GraphSchema.NS, GraphSchema.NODE_TYPE_ATTRIBUTE, GraphSchema.NODE_TYPE_IF);
return nodeElement;
}
}