branch-2.0.4-alpha/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ApplicationStateData.java

/**
 * 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.yarn.api.records;

import org.apache.hadoop.classification.InterfaceAudience.Public;
import org.apache.hadoop.classification.InterfaceStability.Unstable;

/**
 * Contains all the state data that needs to be stored persistently 
 * for an Application
 */
@Public
@Unstable
public interface ApplicationStateData {
  
  /**
   * The time at which the application was received by the Resource Manager
   * @return submitTime
   */
  @Public
  @Unstable
  public long getSubmitTime();
  
  @Public
  @Unstable
  public void setSubmitTime(long submitTime);
  
  /**
   * The {@link ApplicationSubmissionContext} for the application
   * {@link ApplicationId} can be obtained from the this
   * @return ApplicationSubmissionContext
   */
  @Public
  @Unstable
  public ApplicationSubmissionContext getApplicationSubmissionContext();
  
  @Public
  @Unstable
  public void setApplicationSubmissionContext(
                                          ApplicationSubmissionContext context);

}