| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.hadoop.mapreduce.v2.app.job; |
| |
| import java.util.List; |
| |
| import org.apache.hadoop.mapreduce.Counters; |
| import org.apache.hadoop.mapreduce.v2.api.records.Phase; |
| import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId; |
| import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptReport; |
| import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptState; |
| import org.apache.hadoop.yarn.api.records.ContainerId; |
| import org.apache.hadoop.yarn.api.records.NodeId; |
| |
| |
| /** |
| * Read only view of TaskAttempt. |
| */ |
| public interface TaskAttempt { |
| TaskAttemptId getID(); |
| TaskAttemptReport getReport(); |
| List<String> getDiagnostics(); |
| Counters getCounters(); |
| float getProgress(); |
| Phase getPhase(); |
| TaskAttemptState getState(); |
| |
| /** |
| * Has attempt reached the final state or not. |
| * @return true if it has finished, else false |
| */ |
| boolean isFinished(); |
| |
| /** |
| * @return the container ID if a container is assigned, otherwise null. |
| */ |
| ContainerId getAssignedContainerID(); |
| |
| /** |
| * @return container mgr address if a container is assigned, otherwise null. |
| */ |
| String getAssignedContainerMgrAddress(); |
| |
| /** |
| * @return node's id if a container is assigned, otherwise null. |
| */ |
| NodeId getNodeId(); |
| |
| /** |
| * @return node's http address if a container is assigned, otherwise null. |
| */ |
| String getNodeHttpAddress(); |
| |
| /** |
| * @return node's rack name if a container is assigned, otherwise null. |
| */ |
| String getNodeRackName(); |
| |
| /** |
| * @return time at which container is launched. If container is not launched |
| * yet, returns 0. |
| */ |
| long getLaunchTime(); |
| |
| /** |
| * @return attempt's finish time. If attempt is not finished |
| * yet, returns 0. |
| */ |
| long getFinishTime(); |
| |
| /** |
| * @return The attempt's shuffle finish time if the attempt is a reduce. If |
| * attempt is not finished yet, returns 0. |
| */ |
| long getShuffleFinishTime(); |
| |
| /** |
| * @return The attempt's sort or merge finish time if the attempt is a reduce. |
| * If attempt is not finished yet, returns 0. |
| */ |
| long getSortFinishTime(); |
| |
| /** |
| * @return the port shuffle is on. |
| */ |
| public int getShufflePort(); |
| } |