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.naming.healthcheck;
  
  
  import com.alibaba.nacos.naming.core.Instance;
  import com.alibaba.nacos.naming.misc.Loggers;
  
  import java.util.concurrent.ConcurrentHashMap;
  import java.util.concurrent.ConcurrentMap;
  import java.util.concurrent.atomic.AtomicBoolean;
  import java.util.concurrent.atomic.AtomicInteger;
  
  /**
   * @author nacos
   */
  public class HealthCheckStatus {
      public AtomicBoolean isBeingChecked = new AtomicBoolean(false);
      public AtomicInteger checkFailCount = new AtomicInteger(0);
      public AtomicInteger checkOKCount = new AtomicInteger(0);
      public long checkRT = -1L;
  
      private static ConcurrentMap<String, HealthCheckStatus> statusMap = new ConcurrentHashMap<>();
  
      public static void reset(Instance instance) {
          statusMap.put(buildKey(instance), new HealthCheckStatus());
      }
  
      public static HealthCheckStatus get(Instance instance) {
          String key = buildKey(instance);
  
          if (!statusMap.containsKey(key)) {
              statusMap.putIfAbsent(key, new HealthCheckStatus());
          }
  
          return statusMap.get(key);
      }
  
      public static void remv(Instance instance) {
          statusMap.remove(buildKey(instance));
      }
  
      private static String buildKey(Instance instance) {
          try {
  
              String clusterName = instance.getClusterName();
              String serviceName = instance.getServiceName();
              String datumKey = instance.getDatumKey();
              return serviceName + ":"
                  + clusterName + ":"
                  + datumKey;
          } catch (Throwable e) {
              Loggers.SRV_LOG.error("[BUILD-KEY] Exception while set rt, ip {}, error: {}", instance.toJSON(), e);
          }
  
          return instance.getDefaultKey();
      }
  }
  