| /** |
| * 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 kafka |
| |
| import consumer._ |
| import message.Message |
| import utils.Utils |
| import java.util.concurrent.CountDownLatch |
| |
| object TestZKConsumerOffsets { |
| def main(args: Array[String]): Unit = { |
| if(args.length < 1) { |
| println("USAGE: " + TestZKConsumerOffsets.getClass.getName + " consumer.properties topic latest") |
| System.exit(1) |
| } |
| println("Starting consumer...") |
| val topic = args(1) |
| val autoOffsetReset = args(2) |
| val props = Utils.loadProps(args(0)) |
| props.put("autooffset.reset", "largest") |
| |
| val config = new ConsumerConfig(props) |
| val consumerConnector: ConsumerConnector = Consumer.create(config) |
| val topicMessageStreams = consumerConnector.createMessageStreams(Predef.Map(topic -> 1)) |
| var threadList = List[ConsumerThread]() |
| for ((topic, streamList) <- topicMessageStreams) |
| for (stream <- streamList) |
| threadList ::= new ConsumerThread(stream) |
| |
| for (thread <- threadList) |
| thread.start |
| |
| // attach shutdown handler to catch control-c |
| Runtime.getRuntime().addShutdownHook(new Thread() { |
| override def run() = { |
| consumerConnector.shutdown |
| threadList.foreach(_.shutdown) |
| println("consumer threads shutted down") |
| } |
| }) |
| } |
| } |
| |
| private class ConsumerThread(stream: KafkaStream[Message]) extends Thread { |
| val shutdownLatch = new CountDownLatch(1) |
| |
| override def run() { |
| println("Starting consumer thread..") |
| for (messageAndMetadata <- stream) { |
| println("consumed: " + Utils.toString(messageAndMetadata.message.payload, "UTF-8")) |
| } |
| shutdownLatch.countDown |
| println("thread shutdown !" ) |
| } |
| |
| def shutdown() { |
| shutdownLatch.await |
| } |
| } |