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.csp.sentinel.adapter.gateway.zuul2.fallback;
  
  /**
   * This interface is compatible for different spring cloud version.
   *
   * @author tiger
   */
  public interface ZuulBlockFallbackProvider {
  
      /**
       * The route this fallback will be used for.
       * @return The route the fallback will be used for.
       */
      String getRoute();
  
      /**
       * Provides a fallback response based on the cause of the failed execution.
       *
       * @param route The route the fallback is for
       * @param cause cause of the main method failure, may be <code>null</code>
       * @return the fallback response
       */
      BlockResponse fallbackResponse(String route, Throwable cause);
  }
  