content: /*
   * Copyright 1999-2012 Alibaba Group.
   *  
   * Licensed 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.cobar;
  
  import org.apache.log4j.Logger;
  
  import com.alibaba.cobar.config.model.CobarNodeConfig;
  import com.alibaba.cobar.heartbeat.CobarHeartbeat;
  
  /**
   * @author xianmao.hexm
   */
  public class CobarNode {
      private static final Logger LOGGER = Logger.getLogger(CobarNode.class);
  
      private final String name;
      private final CobarNodeConfig config;
      private final CobarHeartbeat heartbeat;
  
      public CobarNode(CobarNodeConfig config) {
          this.name = config.getName();
          this.config = config;
          this.heartbeat = new CobarHeartbeat(this);
      }
  
      public String getName() {
          return name;
      }
  
      public CobarNodeConfig getConfig() {
          return config;
      }
  
      public CobarHeartbeat getHeartbeat() {
          return heartbeat;
      }
  
      public void stopHeartbeat() {
          heartbeat.stop();
      }
  
      public void startHeartbeat() {
          heartbeat.start();
      }
  
      public void doHeartbeat() {
          if (!heartbeat.isStop()) {
              try {
                  heartbeat.heartbeat();
              } catch (Throwable e) {
                  LOGGER.error(name + " heartbeat error.", e);
              }
          }
      }
  
      public boolean isOnline() {
          return (heartbeat.getStatus() == CobarHeartbeat.OK_STATUS);
      }
  
  }
  