/*
*
* 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.component.system;
import org.apache.airavata.workflow.model.component.Component;
import org.apache.airavata.workflow.model.component.system.SystemComponent;
import org.apache.airavata.workflow.model.component.system.SystemComponentDataPort;
import org.apache.airavata.workflow.model.graph.Graph;
import org.apache.airavata.workflow.model.graph.system.StreamSourceNode;
public class StreamSourceComponent extends SystemComponent {
/**
* The name of the input component
*/
public static final String NAME = "Stream Source";
private static final String DESCRIPTION = "A system component that represents an stream input parameter of a workflow.";
private static final String PORT_NAME = "Parameter";
/**
* The description.
*/
private static final String PORT_DESCRIPTION = "This port can be connected to any type.";
private String rate;
private String streamName;
/**
* Creates an InputComponent.
*/
public StreamSourceComponent() {
super();
setName(NAME);
setDescription(DESCRIPTION);
}
/**
* Constructs a StreamSourceComponent.
*
* @param stream
* @param rate
*/
public StreamSourceComponent(String stream, String rate) {
setName(NAME + ":" + stream);
this.streamName = stream;
this.rate = rate;
SystemComponentDataPort port = new SystemComponentDataPort(stream);
port.setDescription(PORT_DESCRIPTION);
this.outputs.add(port);
}
/**
* @see org.apache.airavata.workflow.model.component.Component#createNode(org.apache.airavata.workflow.model.graph.Graph)
*/
@Override
public StreamSourceNode createNode(Graph graph) {
StreamSourceNode node = new StreamSourceNode(graph);
if (this.streamName != null) {
node.setName(NAME + "_" + this.streamName);
} else {
node.setName(NAME);
}
node.setComponent(this);
// Creates a unique ID for the node. This has to be after setName().
node.createID();
// Creates a output port
createPorts(node);
return node;
}
}