/***********************************************************************************************************************
* 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.instance.AllocatedResource;
/**
* Classes implementing the {@link VertexAssignmentListener} interface can register for notifications about changes in
* the assignment of an {@link ExecutionVertex} to an {@link AllocatedResource}.
*
*/
public interface VertexAssignmentListener {
/**
* Called when an {@link ExecutionVertex} has been assigned to an {@link AllocatedResource}.
*
* @param id
* the ID of the vertex which has been reassigned
* @param newAllocatedResource
* the allocated resource the vertex is now assigned to
*/
void vertexAssignmentChanged(ExecutionVertexID id, AllocatedResource newAllocatedResource);
}