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.api.selector;
  
  /**
   * The types of selector accepted by Nacos.
   *
   * @author nkorange
   * @since 0.7.0
   */
  public enum SelectorType {
      /**
       * not match any type.
       */
      unknown,
      /**
       * not filter out any entity.
       */
      none,
      /**
       * select by label.
       */
      label,
      /**
       * select by cluster.
       */
      cluster,
      /**
       * select by health state.
       */
      health,
      /**
       * select by enable state.
       */
      enable
  }
  