| /** |
| * 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.tajo.pullserver; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.service.CompositeService; |
| import org.apache.tajo.TajoConstants; |
| import org.apache.tajo.conf.TajoConf; |
| import org.apache.tajo.util.StringUtils; |
| |
| public class TajoPullServer extends CompositeService { |
| private static final Log LOG = LogFactory.getLog(TajoPullServer.class); |
| |
| private TajoPullServerService pullService; |
| private TajoConf systemConf; |
| |
| public TajoPullServer() { |
| super(TajoPullServer.class.getName()); |
| } |
| |
| @Override |
| public void init(Configuration conf) { |
| if (!(conf instanceof TajoConf)) { |
| throw new IllegalArgumentException("Configuration must be a TajoConf instance"); |
| } |
| this.systemConf = (TajoConf)conf; |
| pullService = new TajoPullServerService(); |
| addService(pullService); |
| |
| super.init(conf); |
| } |
| |
| public void startPullServer(TajoConf systemConf) { |
| init(systemConf); |
| start(); |
| } |
| |
| public void start() { |
| super.start(); |
| |
| } |
| |
| public static void main(String[] args) throws Exception { |
| StringUtils.startupShutdownMessage(TajoPullServerService.PullServer.class, args, LOG); |
| |
| if (!TajoPullServerService.isStandalone()) { |
| LOG.fatal("TAJO_PULLSERVER_STANDALONE env variable is not 'true'"); |
| return; |
| } |
| |
| TajoConf tajoConf = new TajoConf(); |
| tajoConf.addResource(new Path(TajoConstants.SYSTEM_CONF_FILENAME)); |
| |
| (new TajoPullServer()).startPullServer(tajoConf); |
| } |
| } |