Package kafka.javaapi.consumer

Examples of kafka.javaapi.consumer.SimpleConsumer

125
126
127
128
129
130
131
132
133
134
135
136
   */
  private RemovalListener<BrokerInfo, SimpleConsumer> createRemovalListener() {
    return new RemovalListener<BrokerInfo, SimpleConsumer>() {
      @Override
      public void onRemoval(RemovalNotification<BrokerInfo, SimpleConsumer> notification) {
        SimpleConsumer consumer = notification.getValue();
        if (consumer != null) {
          consumer.close();
        }
      }
    };
  }
View Full Code Here
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
   *
   * @return The last offset before the given timestamp or {@code 0} if failed to do so.
   */
  private long getLastOffset(TopicPartition topicPart, long timestamp) {
    BrokerInfo brokerInfo = brokerService.getLeader(topicPart.getTopic(), topicPart.getPartition());
    SimpleConsumer consumer = brokerInfo == null ? null : consumers.getUnchecked(brokerInfo);

    // If no broker, treat it as failure attempt.
    if (consumer == null) {
      LOG.warn("Failed to talk to any broker. Default offset to 0 for {}", topicPart);
      return 0L;
    }

    // Fire offset request
    OffsetRequest request = new OffsetRequest(ImmutableMap.of(
      new TopicAndPartition(topicPart.getTopic(), topicPart.getPartition()),
      new PartitionOffsetRequestInfo(timestamp, 1)
    ), kafka.api.OffsetRequest.CurrentVersion(), consumer.clientId());

    OffsetResponse response = consumer.getOffsetsBefore(request);

    // Retrieve offsets from response
    long[] offsets = response.hasError() ? null : response.offsets(topicPart.getTopic(), topicPart.getPartition());
    if (offsets == null || offsets.length <= 0) {
      short errorCode = response.errorCode(topicPart.getTopic(), topicPart.getPartition());
View Full Code Here
346
347
348
349
350
351
352
353
354
355
356
        long off = offset.get();
        if (off < 0) {
          offset.set(getLastOffset(topicPart, off));
        }

        SimpleConsumer consumer = consumerEntry.getValue();

        // Fire a fetch message request
        try {
          FetchResponse response = fetchMessages(consumer, offset.get());
View Full Code Here
294
295
296
297
298
299
300
301
302
303
304
305
306
                        .addFetch(split.getTopicName(), split.getPartitionId(), cursorOffset, KAFKA_READ_BUFFER_SIZE)
                        .build();

                // TODO - this should look at the actual node this is running on and prefer
                // that copy if running locally. - look into NodeInfo
                SimpleConsumer consumer = consumerManager.getConsumer(split.getNodes().get(0));

                FetchResponse fetchResponse = consumer.fetch(req);
                if (fetchResponse.hasError()) {
                    short errorCode = fetchResponse.errorCode(split.getTopicName(), split.getPartitionId());
                    log.warn("Fetch response has error: %d", errorCode);
                    throw new PrestoException(KafkaErrorCode.KAFKA_SPLIT_ERROR.toErrorCode(), "could not fetch data from Kafka, error code is '" + errorCode + "'");
                }
View Full Code Here
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
  }
 
  public static void main(String[] args) throws Exception {
    generateData();
     
    SimpleConsumer simpleConsumer = new SimpleConsumer(KafkaProperties.kafkaServerURL,
                                                       KafkaProperties.kafkaServerPort,
                                                       KafkaProperties.connectionTimeOut,
                                                       KafkaProperties.kafkaProducerBufferSize,
                                                       KafkaProperties.clientId);

    System.out.println("Testing single fetch");
    FetchRequest req = new FetchRequestBuilder()
            .clientId(KafkaProperties.clientId)
            .addFetch(KafkaProperties.topic2, 0, 0L, 100)
            .build();
    FetchResponse fetchResponse = simpleConsumer.fetch(req);
      printMessages((ByteBufferMessageSet) fetchResponse.messageSet(KafkaProperties.topic2, 0));

    System.out.println("Testing single multi-fetch");
    Map<String, List<Integer>> topicMap = new HashMap<String, List<Integer>>() {{
        put(KafkaProperties.topic2, new ArrayList<Integer>(){{ add(0); }});
        put(KafkaProperties.topic3, new ArrayList<Integer>(){{ add(0); }});
    }};
    req = new FetchRequestBuilder()
            .clientId(KafkaProperties.clientId)
            .addFetch(KafkaProperties.topic2, 0, 0L, 100)
            .addFetch(KafkaProperties.topic3, 0, 0L, 100)
            .build();
    fetchResponse = simpleConsumer.fetch(req);
    int fetchReq = 0;
    for ( Map.Entry<String, List<Integer>> entry : topicMap.entrySet() ) {
      String topic = entry.getKey();
      for ( Integer offset : entry.getValue()) {
        System.out.println("Response from fetch request no: " + ++fetchReq);
View Full Code Here
107
108
109
110
111
112
113
114
115
116
117
        _input = input;
        _request = new KafkaETLRequest(input.trim());
       
        // read data from queue
        URI uri = _request.getURI();
        _consumer = new SimpleConsumer(uri.getHost(), uri.getPort(), _timeout, _bufferSize, "KafkaETLContext");
       
        // get available offset range
        _offsetRange = getOffsetRange();
        System.out.println("Connected to node " + uri
                + " beginning reading at offset " + _offsetRange[0]
View Full Code Here
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
 
  public static void main(String[] args)
  {
   
    generateData();
    SimpleConsumer simpleConsumer = new SimpleConsumer(KafkaProperties.kafkaServerURL,
                                                       KafkaProperties.kafkaServerPort,
                                                       KafkaProperties.connectionTimeOut,
                                                       KafkaProperties.kafkaProducerBufferSize);

    System.out.println("Testing single fetch");
    FetchRequest req = new FetchRequest(KafkaProperties.topic2, 0, 0L, 100);
    ByteBufferMessageSet messageSet = simpleConsumer.fetch(req);
    printMessages(messageSet);

    System.out.println("Testing single multi-fetch");
    req = new FetchRequest(KafkaProperties.topic2, 0, 0L, 100);
    List<FetchRequest> list = new ArrayList<FetchRequest>();
    list.add(req);
    req = new FetchRequest(KafkaProperties.topic3, 0, 0L, 100);
    list.add(req);
    MultiFetchResponse response = simpleConsumer.multifetch(list);
    int fetchReq = 0;
    for (ByteBufferMessageSet resMessageSet : response )
    {
      System.out.println("Response from fetch request no: " + ++fetchReq);
      printMessages(resMessageSet);
View Full Code Here
88
89
90
91
92
93
94
95
96
97
98
99
        if (leader == kafkaServer.getServer(0).config().brokerId()) {
            config = kafkaServer.getServer(0).config();
        } else {
            config = kafkaServer.getServer(1).config();
        }
        SimpleConsumer consumer = new SimpleConsumer(config.hostName(), config.port(), 100000, 100000, "clientId");
        FetchResponse response = consumer.fetch(new FetchRequestBuilder().addFetch(TOPIC_NAME, 0, 0, 100000).build());

        List<MessageAndOffset> messageSet = Lists.newArrayList(response.messageSet(TOPIC_NAME, 0).iterator());
        assertEquals("Should have fetched 2 messages", 2, messageSet.size());

        assertEquals(new String(extractMessage(messageSet, 0)), "testMessage" + 0);
View Full Code Here
93
94
95
96
97
98
99
100
101
102
103
104
            config = kafkaServer.getServer(0).config();
        } else {
            config = kafkaServer.getServer(1).config();
        }
        // get data back from Kafka
        SimpleConsumer consumer = new SimpleConsumer(config.hostName(), config.port(), 100000, 100000, "clientId");
        FetchResponse response = consumer.fetch(new FetchRequestBuilder().addFetch(TOPIC_NAME, 0, 0, 100000).build());

        List<MessageAndOffset> messageSet = Lists.newArrayList(response.messageSet(TOPIC_NAME, 0).iterator());
        assertEquals("Should have fetched 2 messages", 2, messageSet.size());

        for( int i=0; i<messageSet.size(); i++ ){
View Full Code Here
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
     */
    @Override
    public long getEarliestOffset() {
        if (this.earliestOffset == -2 && uri != null) {
            // TODO : Make the hardcoded paramters configurable
            SimpleConsumer consumer = new SimpleConsumer(uri.getHost(), uri.getPort(), 60000,
                    1024 * 1024, "hadoop-etl");
            Map<TopicAndPartition, PartitionOffsetRequestInfo> offsetInfo = new HashMap<TopicAndPartition, PartitionOffsetRequestInfo>();
            offsetInfo.put(new TopicAndPartition(topic, partition), new PartitionOffsetRequestInfo(
                    kafka.api.OffsetRequest.EarliestTime(), 1));
            OffsetResponse response = consumer
                    .getOffsetsBefore(new OffsetRequest(offsetInfo, kafka.api.OffsetRequest
                            .CurrentVersion(), "hadoop-etl"));
            long[] endOffset = response.offsets(topic, partition);
            consumer.close();
            this.earliestOffset = endOffset[0];
            return endOffset[0];
        } else {
            return this.earliestOffset;
        }
View Full Code Here
TOP

Related Classes of kafka.javaapi.consumer.SimpleConsumer

  • co.cask.cdap.logging.kafka.KafkaConsumer
  • co.gridport.kafka.hadoop.KafkaInputRecordReader
  • com.alibaba.jstorm.kafka.MessageConsumer
  • com.facebook.presto.kafka.KafkaRecordSet$KafkaRecordCursor
  • com.facebook.presto.kafka.KafkaSimpleConsumerManager$SimpleConsumerCacheLoader
  • com.facebook.presto.kafka.KafkaSplitManager
  • com.linkedin.camus.etl.kafka.common.EtlRequest
  • com.linkedin.camus.etl.kafka.common.KafkaReader
  • com.linkedin.camus.etl.kafka.mapred.EtlInputFormat
  • com.netflix.suro.sink.kafka.TestKafkaSink
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.