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.decorator;
022
023import java.util.Iterator;
024import java.util.List;
025import java.util.Set;
026
027import org.apache.kafka.clients.consumer.ConsumerRecord;
028import org.apache.kafka.clients.consumer.ConsumerRecords;
029import org.apache.kafka.common.TopicPartition;
030
031/**
032 *
033 */
034public class ForwardingConsumerRecords<K, V> extends ConsumerRecords<K, V>
035  {
036  ConsumerRecords<K, V> consumerRecords;
037
038  public ForwardingConsumerRecords( ConsumerRecords<K, V> consumerRecords )
039    {
040    super( null );
041    this.consumerRecords = consumerRecords;
042    }
043
044  @Override
045  public List<ConsumerRecord<K, V>> records( TopicPartition partition )
046    {
047    return consumerRecords.records( partition );
048    }
049
050  @Override
051  public Iterable<ConsumerRecord<K, V>> records( String topic )
052    {
053    return consumerRecords.records( topic );
054    }
055
056  @Override
057  public Set<TopicPartition> partitions()
058    {
059    return consumerRecords.partitions();
060    }
061
062  @Override
063  public Iterator<ConsumerRecord<K, V>> iterator()
064    {
065    return consumerRecords.iterator();
066    }
067
068  @Override
069  public int count()
070    {
071    return consumerRecords.count();
072    }
073
074  @Override
075  public boolean isEmpty()
076    {
077    return consumerRecords.isEmpty();
078    }
079
080  public static <K1, V1> ConsumerRecords<K1, V1> empty()
081    {
082    return ConsumerRecords.empty();
083    }
084  }