001/*
002 * Copyright (c) 2007-2022 The Cascading Authors. All Rights Reserved.
003 *
004 * Project and contact information: https://cascading.wensel.net/
005 *
006 * This file is part of the Cascading project.
007 *
008 * Licensed under the Apache License, Version 2.0 (the "License");
009 * you may not use this file except in compliance with the License.
010 * You may obtain a copy of the License at
011 *
012 *     http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing, software
015 * distributed under the License is distributed on an "AS IS" BASIS,
016 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
017 * See the License for the specific language governing permissions and
018 * limitations under the License.
019 */
020
021package cascading.local.tap.kafka;
022
023import java.util.Collection;
024import java.util.Collections;
025
026import cascading.util.CloseableIterator;
027import org.apache.kafka.clients.consumer.Consumer;
028import org.apache.kafka.clients.consumer.ConsumerRecord;
029import org.apache.kafka.common.TopicPartition;
030
031/**
032 *
033 */
034public abstract class KafkaConsumerRecordIterator<K, V> implements CloseableIterator<ConsumerRecord<K, V>>
035  {
036  public void pausePartition( TopicPartition topicPartition )
037    {
038    pausePartition( Collections.singleton( topicPartition ) );
039    }
040
041  public void pausePartition( Collection<TopicPartition> topicPartitions )
042    {
043    getConsumer().pause( topicPartitions );
044    }
045
046  protected abstract Consumer<K, V> getConsumer();
047  }