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 }