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.connect.integration;
  
  import org.apache.kafka.common.TopicPartition;
  import org.apache.kafka.common.utils.ThreadUtils;
  import org.apache.kafka.connect.connector.Task;
  import org.apache.kafka.connect.sink.ErrantRecordReporter;
  import org.apache.kafka.connect.sink.SinkRecord;
  
  import java.util.Collection;
  import java.util.HashMap;
  import java.util.Map;
  import java.util.concurrent.ExecutorService;
  import java.util.concurrent.Executors;
  import java.util.concurrent.TimeUnit;
  
  public class ErrantRecordSinkConnector extends TestableSinkConnector {
  
      @Override
      public Class<? extends Task> taskClass() {
          return ErrantRecordSinkTask.class;
      }
  
      public static class ErrantRecordSinkTask extends TestableSinkTask {
          private ErrantRecordReporter reporter;
          private ExecutorService executorService;
  
          public ErrantRecordSinkTask() {
              super();
          }
  
          @Override
          public void start(Map<String, String> props) {
              super.start(props);
              reporter = context.errantRecordReporter();
              executorService = Executors.newSingleThreadExecutor();
          }
  
          @Override
          public void stop() {
              ThreadUtils.shutdownExecutorServiceQuietly(executorService, 4, TimeUnit.SECONDS);
          }
  
          @Override
          public void put(Collection<SinkRecord> records) {
              for (SinkRecord rec : records) {
                  taskHandle.record();
                  TopicPartition tp = cachedTopicPartitions
                      .computeIfAbsent(rec.topic(), v -> new HashMap<>())
                      .computeIfAbsent(rec.kafkaPartition(), v -> new TopicPartition(rec.topic(), rec.kafkaPartition()));
                  committedOffsets.put(tp, committedOffsets.getOrDefault(tp, 0) + 1);
                  Throwable error = new Throwable();
                  // Test synchronous and asynchronous reporting, allowing for re-ordering the errant reports
                  if (rec.originalKafkaOffset() % 2 == 0) {
                      reporter.report(rec, error);
                  } else {
                      executorService.submit(() -> {
                          Thread.yield();
                          reporter.report(rec, error);
                      });
                  }
              }
          }
      }
  }
  