| /** |
| * 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.runtime.api; |
| |
| import org.apache.hadoop.classification.InterfaceAudience.Public; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.tez.dag.api.UserPayload; |
| |
| /** |
| * Context through which the OutputCommitter can access all the relevant |
| * information that it needs. This interface is not supposed to be implemented |
| * by users |
| */ |
| @Public |
| public interface OutputCommitterContext { |
| |
| /** |
| * Get the {@link org.apache.hadoop.yarn.api.records.ApplicationId} |
| * @return the {@link org.apache.hadoop.yarn.api.records.ApplicationId} |
| */ |
| public ApplicationId getApplicationId(); |
| |
| /** |
| * Get the current DAG Attempt Number |
| * @return DAG Attempt Number |
| */ |
| public int getDAGAttemptNumber(); |
| |
| /** |
| * Get the name of the DAG |
| * @return the DAG name |
| */ |
| public String getDAGName(); |
| |
| /** |
| * Get the name of the Vertex |
| * @return Vertex Name |
| */ |
| public String getVertexName(); |
| |
| /** |
| * Get the name of the Output |
| * @return Output Name |
| */ |
| public String getOutputName(); |
| |
| /** |
| * Get the User Payload for the Output |
| * @return User Payload |
| */ |
| public UserPayload getOutputUserPayload(); |
| |
| /** |
| * Get the User Payload for the OutputCommitter |
| * @return User Payload |
| */ |
| public UserPayload getUserPayload(); |
| |
| /** |
| * Get Vertex Index in the DAG |
| * @return Vertex index |
| */ |
| public int getVertexIndex(); |
| |
| } |