001/*
002 * Copyright (c) 2007-2017 Xplenty, Inc. All Rights Reserved.
003 *
004 * Project and contact information: http://www.cascading.org/
005 *
006 * This file is part of the Cascading project.
007 *
008 * Licensed under the Apache License, Version 2.0 (the "License");
009 * you may not use this file except in compliance with the License.
010 * You may obtain a copy of the License at
011 *
012 *     http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing, software
015 * distributed under the License is distributed on an "AS IS" BASIS,
016 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
017 * See the License for the specific language governing permissions and
018 * limitations under the License.
019 */
020
021package cascading.stats.tez.util;
022
023import java.io.IOException;
024import java.util.Iterator;
025
026import org.apache.tez.dag.api.TezException;
027
028/**
029 *
030 */
031public interface TimelineClient
032  {
033  String getVertexID( String vertexName ) throws IOException, TezException;
034
035  Iterator<TaskStatus> getVertexChildren( String vertexID, int limit, String startTaskID ) throws IOException, TezException;
036
037  TaskStatus getVertexChild( String taskID ) throws TezException;
038  }