src/test/system/java/org/apache/hadoop/mapreduce/test/system/TTInfo.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.mapreduce.test.system;

import org.apache.hadoop.io.Writable;
import org.apache.hadoop.mapred.TaskTracker;
import org.apache.hadoop.mapred.TaskTrackerStatus;

/**
 * TaskTracker state information as seen by the JobTracker.
 */
public interface TTInfo extends Writable {
  /**
   * Gets the {@link TaskTracker} name.<br/>
   * 
   * @return name of the tracker.
   */
  String getName();

  /**
   * Gets the current status of the {@link TaskTracker} <br/>
   * 
   * @return status of the {@link TaskTracker}
   */
  TaskTrackerStatus getStatus();
}