/*
* 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.mapred;
import java.io.IOException;
import org.apache.hadoop.ipc.VersionedProtocol;
/**
* Protocol that allows TaskTracker receives commands from ClusterManager and
* JobTracker
*/
public interface CoronaTaskTrackerProtocol extends VersionedProtocol {
/** The version of the protocol */
public static final long versionID = 2L;
/**
* Tell TaskTracker to perform a list of actions
* @param actions The actions to perform
* @throws IOException
*/
public void submitActions(TaskTrackerAction[] actions) throws IOException,
InterruptedException;
/**
* Used to start a Corona Job Tracker
*
* @param jobTask
* A fake task that provides information about jobid, taskid etc.
* @param info
* Information about the corona session that is starting this job
* tracker.
*/
public void startCoronaJobTracker(Task jobTask, CoronaSessionInfo info)
throws IOException;
}