001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    
019    package org.apache.hadoop.yarn.api.records;
020    
021    import org.apache.hadoop.classification.InterfaceAudience.Public;
022    import org.apache.hadoop.classification.InterfaceStability.Unstable;
023    
024    /*
025     * Contains the state data that needs to be persisted for an ApplicationAttempt
026     */
027    @Public
028    @Unstable
029    public interface ApplicationAttemptStateData {
030      
031      /**
032       * The ApplicationAttemptId for the application attempt
033       * @return ApplicationAttemptId for the application attempt
034       */
035      @Public
036      @Unstable
037      public ApplicationAttemptId getAttemptId();
038      
039      public void setAttemptId(ApplicationAttemptId attemptId);
040      
041      /*
042       * The master container running the application attempt
043       * @return Container that hosts the attempt
044       */
045      @Public
046      @Unstable
047      public Container getMasterContainer();
048      
049      public void setMasterContainer(Container container);
050    }