content: /**
   * 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 backtype.storm.nimbus;
  
  import backtype.storm.Config;
  import com.alibaba.jstorm.client.ConfigExtension;
  import com.alibaba.jstorm.utils.NetWorkUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.io.Serializable;
  import java.util.Map;
  
  public class NimbusInfo implements Serializable {
      private static final Logger LOG = LoggerFactory.getLogger(NimbusInfo.class);
  
      private static final String DELIM = ":";
  
      private String host;
      private int port;
      private boolean isLeader;
  
      public NimbusInfo(String host, int port, boolean isLeader) {
          this.host = host;
          this.port = port;
          this.isLeader = isLeader;
      }
  
      public static NimbusInfo parse(String nimbusInfo) {
          String[] hostAndPort = nimbusInfo.split(DELIM);
          if (hostAndPort.length == 2) {
              return new NimbusInfo(hostAndPort[0], Integer.parseInt(hostAndPort[1]), false);
          } else {
              throw new RuntimeException("nimbusInfo should be in the format of host:port, invalid string " + nimbusInfo);
          }
      }
  
      public static NimbusInfo fromConf(Map conf) {
          String host;
          if (!ConfigExtension.isNimbusUseIp(conf)) {
              host = NetWorkUtils.hostname();
          } else {
              host = NetWorkUtils.ip();
          }
  
          int port = Integer.parseInt(conf.get(Config.NIMBUS_THRIFT_PORT).toString());
          return new NimbusInfo(host, port, false);
      }
  
      public String toHostPortString() {
          return String.format("%s%s%s", host, DELIM, port);
      }
  
      public boolean isLeader() {
          return isLeader;
      }
  
      public int getPort() {
          return port;
      }
  
      public String getHost() {
          return host;
      }
  
      public String getHostPort(){
          return host + ":" + port;
      }
  
      public void setLeader(boolean isLeader) {
          this.isLeader = isLeader;
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o) return true;
          if (!(o instanceof NimbusInfo)) return false;
  
          NimbusInfo that = (NimbusInfo) o;
  
          if (isLeader != that.isLeader) return false;
          if (port != that.port) return false;
          return host.equals(that.host);
      }
  
      @Override
      public int hashCode() {
          int result = host.hashCode();
          result = 31 * result + port;
          result = 31 * result + (isLeader ? 1 : 0);
          return result;
      }
  
      @Override
      public String toString() {
          return "NimbusInfo{" + "host='" + host + '\'' + ", port=" + port + ", isLeader=" + isLeader + '}';
      }
  }
  