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.time.Duration; 024import java.util.Collection; 025import java.util.List; 026import java.util.Map; 027import java.util.Properties; 028import java.util.Set; 029import java.util.concurrent.TimeUnit; 030import java.util.regex.Pattern; 031 032import org.apache.kafka.clients.consumer.Consumer; 033import org.apache.kafka.clients.consumer.ConsumerRebalanceListener; 034import org.apache.kafka.clients.consumer.ConsumerRecords; 035import org.apache.kafka.clients.consumer.KafkaConsumer; 036import org.apache.kafka.clients.consumer.OffsetAndMetadata; 037import org.apache.kafka.clients.consumer.OffsetAndTimestamp; 038import org.apache.kafka.clients.consumer.OffsetCommitCallback; 039import org.apache.kafka.common.Metric; 040import org.apache.kafka.common.MetricName; 041import org.apache.kafka.common.PartitionInfo; 042import org.apache.kafka.common.TopicPartition; 043 044/** 045 * 046 */ 047public class ForwardingConsumer<K, V> implements Consumer<K, V> 048 { 049 Consumer<K, V> consumer; 050 051 public ForwardingConsumer( Properties properties ) 052 { 053 this.consumer = createKafkaConsumerInstance( properties ); 054 } 055 056 protected KafkaConsumer<K, V> createKafkaConsumerInstance( Properties properties ) 057 { 058 return new KafkaConsumer<>( properties ); 059 } 060 061 public Consumer<K, V> getConsumer() 062 { 063 return consumer; 064 } 065 066 @Override 067 public Set<TopicPartition> assignment() 068 { 069 return consumer.assignment(); 070 } 071 072 @Override 073 public Set<String> subscription() 074 { 075 return consumer.subscription(); 076 } 077 078 @Override 079 public void subscribe( Collection<String> collection ) 080 { 081 consumer.subscribe( collection ); 082 } 083 084 @Override 085 public void subscribe( Collection<String> collection, ConsumerRebalanceListener consumerRebalanceListener ) 086 { 087 consumer.subscribe( collection, consumerRebalanceListener ); 088 } 089 090 @Override 091 public void assign( Collection<TopicPartition> collection ) 092 { 093 consumer.assign( collection ); 094 } 095 096 @Override 097 public void subscribe( Pattern pattern, ConsumerRebalanceListener consumerRebalanceListener ) 098 { 099 consumer.subscribe( pattern, consumerRebalanceListener ); 100 } 101 102 @Override 103 public void subscribe( Pattern pattern ) 104 { 105 consumer.subscribe( pattern ); 106 } 107 108 @Override 109 public void unsubscribe() 110 { 111 consumer.unsubscribe(); 112 } 113 114 @Deprecated 115 @Override 116 public ConsumerRecords<K, V> poll( long l ) 117 { 118 return consumer.poll( l ); 119 } 120 121 @Override 122 public ConsumerRecords<K, V> poll( Duration duration ) 123 { 124 return consumer.poll( duration ); 125 } 126 127 @Override 128 public void commitSync() 129 { 130 consumer.commitSync(); 131 } 132 133 @Override 134 public void commitSync( Duration duration ) 135 { 136 consumer.commitSync( duration ); 137 } 138 139 @Override 140 public void commitSync( Map<TopicPartition, OffsetAndMetadata> map ) 141 { 142 consumer.commitSync( map ); 143 } 144 145 @Override 146 public void commitSync( Map<TopicPartition, OffsetAndMetadata> map, Duration duration ) 147 { 148 consumer.commitSync( map, duration ); 149 } 150 151 @Override 152 public void commitAsync() 153 { 154 consumer.commitAsync(); 155 } 156 157 @Override 158 public void commitAsync( OffsetCommitCallback offsetCommitCallback ) 159 { 160 consumer.commitAsync( offsetCommitCallback ); 161 } 162 163 @Override 164 public void commitAsync( Map<TopicPartition, OffsetAndMetadata> map, OffsetCommitCallback offsetCommitCallback ) 165 { 166 consumer.commitAsync( map, offsetCommitCallback ); 167 } 168 169 @Override 170 public void seek( TopicPartition topicPartition, long l ) 171 { 172 consumer.seek( topicPartition, l ); 173 } 174 175 @Override 176 public void seekToBeginning( Collection<TopicPartition> collection ) 177 { 178 consumer.seekToBeginning( collection ); 179 } 180 181 @Override 182 public void seekToEnd( Collection<TopicPartition> collection ) 183 { 184 consumer.seekToEnd( collection ); 185 } 186 187 @Override 188 public long position( TopicPartition topicPartition ) 189 { 190 return consumer.position( topicPartition ); 191 } 192 193 @Override 194 public long position( TopicPartition topicPartition, Duration duration ) 195 { 196 return consumer.position( topicPartition, duration ); 197 } 198 199 @Override 200 public OffsetAndMetadata committed( TopicPartition topicPartition ) 201 { 202 return consumer.committed( topicPartition ); 203 } 204 205 @Override 206 public OffsetAndMetadata committed( TopicPartition topicPartition, Duration duration ) 207 { 208 return consumer.committed( topicPartition, duration ); 209 } 210 211 @Override 212 public Map<MetricName, ? extends Metric> metrics() 213 { 214 return consumer.metrics(); 215 } 216 217 @Override 218 public List<PartitionInfo> partitionsFor( String string ) 219 { 220 return consumer.partitionsFor( string ); 221 } 222 223 @Override 224 public List<PartitionInfo> partitionsFor( String string, Duration duration ) 225 { 226 return consumer.partitionsFor( string, duration ); 227 } 228 229 @Override 230 public Map<String, List<PartitionInfo>> listTopics() 231 { 232 return consumer.listTopics(); 233 } 234 235 @Override 236 public Map<String, List<PartitionInfo>> listTopics( Duration duration ) 237 { 238 return consumer.listTopics( duration ); 239 } 240 241 @Override 242 public Set<TopicPartition> paused() 243 { 244 return consumer.paused(); 245 } 246 247 @Override 248 public void pause( Collection<TopicPartition> collection ) 249 { 250 consumer.pause( collection ); 251 } 252 253 @Override 254 public void resume( Collection<TopicPartition> collection ) 255 { 256 consumer.resume( collection ); 257 } 258 259 @Override 260 public Map<TopicPartition, OffsetAndTimestamp> offsetsForTimes( Map<TopicPartition, Long> map ) 261 { 262 return consumer.offsetsForTimes( map ); 263 } 264 265 @Override 266 public Map<TopicPartition, OffsetAndTimestamp> offsetsForTimes( Map<TopicPartition, Long> map, Duration duration ) 267 { 268 return consumer.offsetsForTimes( map, duration ); 269 } 270 271 @Override 272 public Map<TopicPartition, Long> beginningOffsets( Collection<TopicPartition> collection ) 273 { 274 return consumer.beginningOffsets( collection ); 275 } 276 277 @Override 278 public Map<TopicPartition, Long> beginningOffsets( Collection<TopicPartition> collection, Duration duration ) 279 { 280 return consumer.beginningOffsets( collection, duration ); 281 } 282 283 @Override 284 public Map<TopicPartition, Long> endOffsets( Collection<TopicPartition> collection ) 285 { 286 return consumer.endOffsets( collection ); 287 } 288 289 @Override 290 public Map<TopicPartition, Long> endOffsets( Collection<TopicPartition> collection, Duration duration ) 291 { 292 return consumer.endOffsets( collection, duration ); 293 } 294 295 @Override 296 public void close() 297 { 298 consumer.close(); 299 } 300 301 @Deprecated 302 @Override 303 public void close( long l, TimeUnit timeUnit ) 304 { 305 consumer.close( l, timeUnit ); 306 } 307 308 @Override 309 public void close( Duration duration ) 310 { 311 consumer.close( duration ); 312 } 313 314 @Override 315 public void wakeup() 316 { 317 consumer.wakeup(); 318 } 319 }