/**
* Copyright (c) 2012, Cloudera, Inc. All Rights Reserved.
*
* Cloudera, Inc. 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
*
* This software 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 com.cloudera.kitten.appmaster;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
import com.cloudera.kitten.appmaster.params.lua.LuaApplicationMasterParameters;
import com.cloudera.kitten.appmaster.service.ApplicationMasterServiceImpl;
/**
* A simple ApplicationMaster to use when there isn't any master logic that is requried to run.
*/
public class ApplicationMaster extends Configured implements Tool {
@Override
public int run(String[] args) throws Exception {
ApplicationMasterParameters params = new LuaApplicationMasterParameters(getConf());
ApplicationMasterService service = new ApplicationMasterServiceImpl(params, getConf());
service.startAndWait();
while (service.hasRunningContainers()) {
Thread.sleep(1000);
}
service.stopAndWait();
return 0;
}
public static void main(String[] args) throws Exception {
try {
int rc = ToolRunner.run(new Configuration(), new ApplicationMaster(), args);
System.exit(rc);
} catch (Exception e) {
System.err.println(e);
System.exit(1);
}
}
}