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.interceptor;
  
  /**
   * Nacos naming interceptor.
   *
   * @author xiweng.yy
   */
  public interface NacosNamingInterceptor<T extends Interceptable> {
      
      /**
       * Judge whether the input type is intercepted by this Interceptor.
       *
       * <p>This method only should judge the object type whether need be do intercept. Not the intercept logic.
       *
       * @param type type
       * @return true if the input type is intercepted by this Interceptor, otherwise false
       */
      boolean isInterceptType(Class<?> type);
      
      /**
       * Do intercept operation.
       *
       * <p>This method is the actual intercept operation.
       *
       * @param object need intercepted object
       * @return true if object is intercepted, otherwise false
       */
      boolean intercept(T object);
      
      /**
       * The order of interceptor. The lower the number, the earlier the execution.
       *
       * @return the order number of interceptor
       */
      int order();
  }
  