| /** |
| * 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 com.alibaba.jstorm.batch.util; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import backtype.storm.Config; |
| |
| import com.alibaba.jstorm.cluster.ClusterState; |
| import com.alibaba.jstorm.cluster.DistributedClusterState; |
| import com.alibaba.jstorm.utils.JStormUtils; |
| |
| public class BatchCommon { |
| private static final Logger LOG = LoggerFactory.getLogger(BatchCommon.class); |
| |
| private static ClusterState zkClient = null; |
| |
| public static ClusterState getZkClient(Map conf) throws Exception { |
| synchronized (BatchCommon.class) { |
| if (zkClient != null) { |
| return zkClient; |
| } |
| |
| List<String> zkServers = null; |
| if (conf.get(Config.TRANSACTIONAL_ZOOKEEPER_SERVERS) != null) { |
| zkServers = (List<String>) conf.get(Config.TRANSACTIONAL_ZOOKEEPER_SERVERS); |
| } else if (conf.get(Config.STORM_ZOOKEEPER_SERVERS) != null) { |
| zkServers = (List<String>) conf.get(Config.STORM_ZOOKEEPER_SERVERS); |
| } else { |
| throw new RuntimeException("No setting zk"); |
| } |
| |
| int port = 2181; |
| if (conf.get(Config.TRANSACTIONAL_ZOOKEEPER_PORT) != null) { |
| port = JStormUtils.parseInt(conf.get(Config.TRANSACTIONAL_ZOOKEEPER_PORT), 2181); |
| } else if (conf.get(Config.STORM_ZOOKEEPER_PORT) != null) { |
| port = JStormUtils.parseInt(conf.get(Config.STORM_ZOOKEEPER_PORT), 2181); |
| } |
| |
| String root = BatchDef.BATCH_ZK_ROOT; |
| if (conf.get(Config.TRANSACTIONAL_ZOOKEEPER_ROOT) != null) { |
| root = (String) conf.get(Config.TRANSACTIONAL_ZOOKEEPER_ROOT); |
| } |
| |
| root = root + BatchDef.ZK_SEPERATOR + conf.get(Config.TOPOLOGY_NAME); |
| |
| Map<Object, Object> tmpConf = new HashMap<Object, Object>(); |
| tmpConf.putAll(conf); |
| tmpConf.put(Config.STORM_ZOOKEEPER_SERVERS, zkServers); |
| tmpConf.put(Config.STORM_ZOOKEEPER_ROOT, root); |
| zkClient = new DistributedClusterState(tmpConf); |
| |
| LOG.info("Successfully connect ZK"); |
| return zkClient; |
| } |
| |
| } |
| } |