| /** |
| * 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.tez.dag.app.dag; |
| |
| import java.util.List; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import org.apache.hadoop.yarn.api.records.Container; |
| import org.apache.hadoop.yarn.api.records.ContainerId; |
| import org.apache.hadoop.yarn.api.records.NodeId; |
| import org.apache.tez.common.counters.DAGCounter; |
| import org.apache.tez.common.counters.TezCounters; |
| import org.apache.tez.dag.api.oldrecords.TaskAttemptReport; |
| import org.apache.tez.dag.api.oldrecords.TaskAttemptState; |
| import org.apache.tez.dag.history.HistoryEvent; |
| import org.apache.tez.dag.records.TezDAGID; |
| import org.apache.tez.dag.records.TezTaskAttemptID; |
| import org.apache.tez.dag.records.TezTaskID; |
| import org.apache.tez.dag.records.TezVertexID; |
| |
| /** |
| * Read only view of TaskAttempt. |
| */ |
| public interface TaskAttempt { |
| |
| public static class TaskAttemptStatus { |
| public TaskAttemptState state; |
| public DAGCounter localityCounter; |
| public float progress; |
| public TezCounters counters; |
| |
| // insert these counters till they come natively from the task itself. |
| // HDFS-5098 |
| private AtomicBoolean localitySet = new AtomicBoolean(false); |
| public void setLocalityCounter(DAGCounter localityCounter) { |
| if (!localitySet.get()) { |
| localitySet.set(true); |
| if (counters == null) { |
| counters = new TezCounters(); |
| } |
| if (localityCounter != null) { |
| counters.findCounter(localityCounter).increment(1); |
| // TODO Maybe validate that the correct value is being set. |
| } |
| } |
| } |
| } |
| |
| TezTaskAttemptID getID(); |
| TezTaskID getTaskID(); |
| TezVertexID getVertexID(); |
| TezDAGID getDAGID(); |
| |
| TaskAttemptReport getReport(); |
| List<String> getDiagnostics(); |
| TezCounters getCounters(); |
| float getProgress(); |
| TaskAttemptState getState(); |
| TaskAttemptState getStateNoLock(); |
| |
| /** |
| * 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 the container if assigned, otherwise null |
| */ |
| Container getAssignedContainer(); |
| |
| /** |
| * @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(); |
| |
| public Task getTask(); |
| |
| TaskAttemptState restoreFromEvent(HistoryEvent event); |
| |
| } |