/*********************************************************************************************************************** * 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.profiling; import eu.stratosphere.configuration.Configuration; import eu.stratosphere.nephele.executiongraph.ExecutionVertexID; import eu.stratosphere.nephele.taskmanager.Task; /** * This interface must be implemented by profiling components * for the task manager manager. * */ public interface TaskManagerProfiler { /** * Registers an {@link ExecutionListener} object for profiling. * * @param task * task to be register a profiling listener for * @param jobConfiguration * the job configuration sent with the task */ void registerExecutionListener(Task task, Configuration jobConfiguration); /** * Unregisters all previously register {@link ExecutionListener} objects for * the vertex identified by the given ID. * * @param id * the ID of the vertex to unregister the {@link ExecutionListener} objects for */ void unregisterExecutionListener(ExecutionVertexID id); /** * Shuts done the task manager's profiling component * and stops all its internal processes. */ void shutdown(); }