| /** |
| * 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; |
| |
| import org.apache.hadoop.yarn.api.records.ContainerId; |
| import org.apache.hadoop.yarn.api.records.NodeId; |
| import org.apache.tez.serviceplugins.api.ContainerEndReason; |
| import org.apache.tez.serviceplugins.api.DagInfo; |
| import org.apache.tez.serviceplugins.api.ServicePluginError; |
| import org.apache.tez.serviceplugins.api.TaskAttemptEndReason; |
| import org.apache.tez.dag.app.dag.DAG; |
| import org.apache.tez.dag.app.rm.container.AMContainerTask; |
| import org.apache.tez.dag.records.TezTaskAttemptID; |
| /** |
| * This class listens for changes to the state of a Task. |
| */ |
| public interface TaskCommunicatorManagerInterface { |
| |
| void registerRunningContainer(ContainerId containerId, int taskCommId); |
| |
| void registerTaskAttempt(AMContainerTask amContainerTask, ContainerId containerId, int taskCommId); |
| |
| void unregisterRunningContainer(ContainerId containerId, int taskCommId, ContainerEndReason endReason, String diagnostics); |
| |
| void unregisterTaskAttempt(TezTaskAttemptID attemptID, int taskCommId, TaskAttemptEndReason endReason, String diagnostics); |
| |
| void dagComplete(DAG dag); |
| |
| void dagSubmitted(); |
| |
| TaskCommunicatorWrapper getTaskCommunicator(int taskCommIndex); |
| |
| void reportError(int taskCommIndex, ServicePluginError servicePluginError, String diagnostics, DagInfo dagName); |
| |
| String getTaskCommunicatorClassName(int taskCommId); |
| |
| String getInProgressLogsUrl(int taskCommId, TezTaskAttemptID attemptID, NodeId containerNodeId); |
| |
| String getCompletedLogsUrl(int taskCommId, TezTaskAttemptID attemptID, NodeId containerNodeId); |
| |
| } |