content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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 org.apache.cassandra.sidecar.client.retry;
  
  import java.util.concurrent.CompletableFuture;
  import java.util.concurrent.atomic.AtomicInteger;
  
  import org.apache.cassandra.sidecar.client.HttpResponse;
  import org.apache.cassandra.sidecar.common.request.Request;
  
  /**
   * A delegate retry policy that executes the Runnable every configured number of requests retries on the
   * configured status code.
   */
  public class RunnableOnStatusCodeRetryPolicy extends RetryPolicy
  {
      private final RetryPolicy delegate;
      private final AtomicInteger recordedAttempts = new AtomicInteger(0);
      private final int statusCode;
      private final int numberOfEntriesToSkip;
      private final Runnable runnable;
  
      public RunnableOnStatusCodeRetryPolicy(Runnable runnable, RetryPolicy delegate, int statusCode)
      {
          this(runnable, delegate, statusCode, 10);
      }
  
      public RunnableOnStatusCodeRetryPolicy(Runnable runnable,
                                             RetryPolicy delegate,
                                             int statusCode,
                                             int numberOfEntriesToSkip)
      {
          this.runnable = runnable;
          this.delegate = delegate;
          this.statusCode = statusCode;
          this.numberOfEntriesToSkip = numberOfEntriesToSkip;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public void onResponse(CompletableFuture<HttpResponse> responseFuture,
                             Request request,
                             HttpResponse response,
                             Throwable throwable,
                             int attempts,
                             boolean canRetryOnADifferentHost,
                             RetryAction retryAction)
      {
          if (response != null
              && response.statusCode() == statusCode
              && recordedAttempts.getAndIncrement() % numberOfEntriesToSkip == 0)
          {
              runnable.run();
          }
  
          delegate.onResponse(responseFuture, request, response, throwable, attempts, canRetryOnADifferentHost,
                              retryAction);
      }
  }
  