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.camel.component.kafka.consumer;
  
  import java.time.Duration;
  import java.util.Collections;
  import java.util.Map;
  
  import org.apache.camel.component.kafka.KafkaConsumer;
  import org.apache.camel.spi.StateRepository;
  import org.apache.kafka.clients.consumer.Consumer;
  import org.apache.kafka.clients.consumer.OffsetAndMetadata;
  import org.apache.kafka.common.TopicPartition;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class SyncCommitManager extends AbstractCommitManager {
      private static final Logger LOG = LoggerFactory.getLogger(SyncCommitManager.class);
  
      private final OffsetCache offsetCache = new OffsetCache();
      private final Consumer<?, ?> consumer;
      private final StateRepository<String, String> offsetRepository;
  
      public SyncCommitManager(Consumer<?, ?> consumer, KafkaConsumer kafkaConsumer, String threadId, String printableTopic) {
          super(consumer, kafkaConsumer, threadId, printableTopic);
  
          this.consumer = consumer;
  
          offsetRepository = configuration.getOffsetRepository();
      }
  
      @Override
      public void commit() {
          if (kafkaConsumer.getEndpoint().getConfiguration().isAutoCommitEnable()) {
              LOG.info("Auto commitSync {} from {}", threadId, printableTopic);
              consumer.commitSync();
          }
      }
  
      @Override
      public void commit(TopicPartition partition) {
          if (LOG.isDebugEnabled()) {
              LOG.debug("Auto commitSync from thread {} from topic {}", threadId, partition.topic());
          }
  
          commitSync(partition);
      }
  
      private void commitSync(TopicPartition partition) {
          Long offset = offsetCache.getOffset(partition);
          if (offset == null) {
              return;
          }
  
          final long lastOffset = offset + 1;
  
          final Map<TopicPartition, OffsetAndMetadata> offsets
                  = Collections.singletonMap(partition, new OffsetAndMetadata(lastOffset));
          long timeout = configuration.getCommitTimeoutMs();
          consumer.commitSync(offsets, Duration.ofMillis(timeout));
  
          if (offsetRepository != null) {
              saveStateToOffsetRepository(partition, lastOffset, offsetRepository);
          }
  
          offsetCache.removeCommittedEntries(offsets, null);
      }
  
      @Override
      public void recordOffset(TopicPartition partition, long partitionLastOffset) {
          offsetCache.recordOffset(partition, partitionLastOffset);
      }
  }
  