/*
*
* 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.component.system;
import org.apache.airavata.xbaya.component.ComponentControlPort;
import org.apache.airavata.xbaya.graph.Graph;
import org.apache.airavata.xbaya.graph.Node;
import org.apache.airavata.xbaya.graph.system.ConstantNode;
public class ConstantComponent extends SystemComponent {
/**
* The name of the const component
*/
public static final String NAME = "Const";
private static final String DESCRIPTION = "A system component that represents a constant variable.";
private static final String PORT_NAME = "Const";
private static final String PORT_DESCRIPTION = "This port can be connected to any type.";
/**
* Creates an InputComponent.
*/
public ConstantComponent() {
setName(NAME);
setDescription(DESCRIPTION);
SystemComponentDataPort port = new SystemComponentDataPort(PORT_NAME);
port.setDescription(PORT_DESCRIPTION);
this.outputs.add(port);
this.controlInPort = new ComponentControlPort();
this.controlOutPorts.add(new ComponentControlPort());
}
/**
* @see org.apache.airavata.xbaya.component.Component#createNode(org.apache.airavata.xbaya.graph.Graph)
*/
@Override
public Node createNode(Graph graph) {
ConstantNode node = new ConstantNode(graph);
node.setName(NAME);
node.setComponent(this);
// Creates a unique ID for the node. This has to be after setName().
node.createID();
createPorts(node);
return node;
}
}