/***********************************************************************************************************************
* Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu)
*
* Licensed 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 eu.stratosphere.nephele.executiongraph;
import eu.stratosphere.nephele.AbstractID;
import eu.stratosphere.nephele.managementgraph.ManagementVertexID;
/**
* A class for statistically unique execution vertex IDs.
*
*/
public class ExecutionVertexID extends AbstractID {
/**
* Converts the execution vertex ID into a
* management vertex ID. The new management vertex ID
* will be equal to the execution vertex ID in the sense
* that the <code>equals</code> method will return <code>
* true</code> when both IDs are compared.
*
* @return the new management vertex ID
*/
public ManagementVertexID toManagementVertexID() {
final ManagementVertexID newID = new ManagementVertexID();
newID.setID(this);
return newID;
}
/**
* Converts the given management vertex ID into the corresponding execution vertex ID. The new execution vertex ID
* will be equals to the management vertex ID in the sense that the <code>equals</code> method will return
* <code>true</code> when both IDs are compared.
*
* @param vertexID
* the management vertex ID to be converted
* @return the resulting execution vertex ID
*/
public static ExecutionVertexID fromManagementVertexID(final ManagementVertexID vertexID) {
final ExecutionVertexID newID = new ExecutionVertexID();
newID.setID(vertexID);
return newID;
}
}