content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * 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.nacos.common.trace;
  
  /**
   * The types of health check.
   *
   * @author yanda
   */
  public enum HealthCheckType {
      /**
       * Instance heart beat timeout.
       */
      CLIENT_BEAT("client_beat"),
      /**
       * Http health check.
       */
      HTTP_HEALTH_CHECK("http"),
      /**
       * Mysql health check.
       */
      MYSQL_HEALTH_CHECK("mysql"),
      /**
       * Tcp super sense health check .
       */
      TCP_SUPER_SENSE("tcp");
      
      private String prefix;
      
      HealthCheckType(String prefix) {
          this.prefix = prefix;
      }
      
      public String getPrefix() {
          return prefix;
      }
  }
  