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.kafka.clients.producer.internals;
  
  
  import org.apache.kafka.common.errors.InterruptException;
  import org.apache.kafka.common.errors.TimeoutException;
  
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.TimeUnit;
  
  public final class TransactionalRequestResult {
      private final CountDownLatch latch;
      private volatile RuntimeException error = null;
      private final String operation;
      private volatile boolean isAcked = false;
  
      public TransactionalRequestResult(String operation) {
          this(new CountDownLatch(1), operation);
      }
  
      private TransactionalRequestResult(CountDownLatch latch, String operation) {
          this.latch = latch;
          this.operation = operation;
      }
  
      public void fail(RuntimeException error) {
          this.error = error;
          this.latch.countDown();
      }
  
      public void done() {
          this.latch.countDown();
      }
  
      public void await() {
          this.await(Long.MAX_VALUE, TimeUnit.MILLISECONDS);
      }
  
      public void await(long timeout, TimeUnit unit) {
          try {
              boolean success = latch.await(timeout, unit);
              if (!success) {
                  throw new TimeoutException("Timeout expired after " + unit.toMillis(timeout) +
                      "ms while awaiting " + operation);
              }
  
              isAcked = true;
              if (error != null) {
                  throw error;
              }
          } catch (InterruptedException e) {
              throw new InterruptException("Received interrupt while awaiting " + operation, e);
          }
      }
  
      public RuntimeException error() {
          return error;
      }
  
      public boolean isSuccessful() {
          return isCompleted() && error == null;
      }
  
      public boolean isCompleted() {
          return latch.getCount() == 0L;
      }
  
      public boolean isAcked() {
          return isAcked;
      }
  
  }
  