content: /*
   * Copyright (C) 2018 Facebook, Inc.
   *
   * 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 io.airlift.drift.integration.guice;
  
  import com.google.common.util.concurrent.ListenableFuture;
  import com.google.common.util.concurrent.SettableFuture;
  import com.google.errorprone.annotations.concurrent.GuardedBy;
  
  import static java.lang.Math.toIntExact;
  
  public class ThrowingServiceHandler
          implements ThrowingService
  {
      @GuardedBy("this")
      private SettableFuture<?> createFuture = SettableFuture.create();
  
      @GuardedBy("this")
      private SettableFuture<String> awaitFuture;
  
      @Override
      public void fail(String message, boolean retryable)
              throws ExampleException
      {
          throw new ExampleException(message, retryable);
      }
  
      @Override
      public void failWithException(boolean retryable)
              throws RetryableException, NonRetryableException
      {
          if (retryable) {
              throw new RetryableException("RETRY");
          }
          throw new NonRetryableException("NO RETRY");
      }
  
      @Override
      public byte[] generateTooLargeFrame()
      {
          return new byte[toIntExact(MAX_FRAME_SIZE.toBytes()) + 1];
      }
  
      @Override
      public String acceptBytes(byte[] bytes)
      {
          return "OK";
      }
  
      @Override
      public synchronized ListenableFuture<String> await()
      {
          createFuture.set(null);
          if (awaitFuture == null) {
              awaitFuture = SettableFuture.create();
          }
          return awaitFuture;
      }
  
      @Override
      public synchronized String release()
      {
          createFuture = SettableFuture.create();
          awaitFuture.set("OK");
          awaitFuture = null;
          return "OK";
      }
  
      public synchronized SettableFuture<?> waitForAwait()
      {
          return createFuture;
      }
  }
  