/**
* 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.hama;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.util.StringUtils;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
import org.apache.hama.bsp.BSPMaster;
/**
* This class starts and runs the BSPMaster.
*/
public class BSPMasterRunner extends Configured implements Tool {
public static final Log LOG = LogFactory.getLog(BSPMasterRunner.class);
@Override
public int run(String[] args) throws Exception {
StringUtils.startupShutdownMessage(BSPMaster.class, args, LOG);
if (args.length != 0) {
System.out.println("usage: BSPMasterRunner");
System.exit(-1);
}
try {
HamaConfiguration conf = new HamaConfiguration(getConf());
BSPMaster master = BSPMaster.startMaster(conf);
master.offerService();
} catch (Throwable e) {
LOG.fatal(StringUtils.stringifyException(e));
return -1;
}
return 0;
}
public static void main(String[] args) throws Exception {
int exitCode = ToolRunner.run(new BSPMasterRunner(), args);
System.exit(exitCode);
}
}