| /** |
| * 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 org.apache.pulsar.client.kafka.compat.examples; |
| |
| import java.util.Properties; |
| |
| import org.apache.pulsar.client.kafka.compat.examples.utils.Tweet; |
| import org.apache.pulsar.client.kafka.compat.examples.utils.Tweet.TestEncoder; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.beust.jcommander.JCommander; |
| import com.beust.jcommander.Parameter; |
| import com.beust.jcommander.ParameterException; |
| |
| import kafka.javaapi.producer.Producer; |
| import kafka.producer.KeyedMessage; |
| import kafka.producer.Partitioner; |
| import kafka.producer.ProducerConfig; |
| import kafka.serializer.StringEncoder; |
| |
| public class ProducerExample { |
| |
| public static final String BROKER_URL = "metadata.broker.list"; |
| public static final String PRODUCER_TYPE = "producer.type"; |
| public static final String SERIALIZER_CLASS = "serializer.class"; |
| public static final String KEY_SERIALIZER_CLASS = "key.serializer.class"; |
| public static final String PARTITIONER_CLASS = "partitioner.class"; |
| public static final String COMPRESSION_CODEC = "compression.codec"; |
| public static final String QUEUE_BUFFERING_MAX_MS = "queue.buffering.max.ms"; |
| public static final String QUEUE_BUFFERING_MAX_MESSAGES = "queue.buffering.max.messages"; |
| public static final String QUEUE_ENQUEUE_TIMEOUT_MS = "queue.enqueue.timeout.ms"; |
| public static final String BATCH_NUM_MESSAGES = "batch.num.messages"; |
| public static final String CLIENT_ID = "client.id"; |
| |
| static class Arguments { |
| |
| @Parameter(names = { "-u", "--service-url" }, description = "Service url", required = false) |
| public String serviceUrl = "pulsar://localhost:6650"; |
| |
| @Parameter(names = { "-t", "--topic-name" }, description = "Topic name", required = false) |
| public String topicName = "persistent://public/default/test"; |
| |
| @Parameter(names = { "-m", "--total-messages" }, description = "total number message to publish") |
| public int totalMessages = 1; |
| |
| @Parameter(names = { "-mn", "--message-name" }, description = "Message payload value", required = false) |
| public String messageValue = "Hello-world"; |
| |
| @Parameter(names = { "-h", "--help" }, description = "Help message", help = true) |
| boolean help; |
| } |
| |
| public static void main(String[] args) { |
| |
| final Arguments arguments = new Arguments(); |
| JCommander jc = new JCommander(arguments); |
| jc.setProgramName("pulsar-kafka-test"); |
| |
| try { |
| jc.parse(args); |
| } catch (ParameterException e) { |
| System.out.println(e.getMessage()); |
| jc.usage(); |
| System.exit(-1); |
| } |
| |
| if (arguments.help) { |
| jc.usage(); |
| System.exit(-1); |
| } |
| |
| publishMessage(arguments); |
| } |
| |
| private static void publishMessage(Arguments arguments) { |
| // (2) Create producer |
| Properties properties2 = new Properties(); |
| properties2.put(BROKER_URL, arguments.serviceUrl); |
| properties2.put(PRODUCER_TYPE, "sync"); |
| properties2.put(SERIALIZER_CLASS, TestEncoder.class.getName()); |
| properties2.put(KEY_SERIALIZER_CLASS, StringEncoder.class.getName()); |
| properties2.put(PARTITIONER_CLASS, TestPartitioner.class.getName()); |
| properties2.put(COMPRESSION_CODEC, "gzip"); // compression: ZLIB |
| properties2.put(QUEUE_ENQUEUE_TIMEOUT_MS, "-1"); // block queue if full => -1 = true |
| properties2.put(QUEUE_BUFFERING_MAX_MESSAGES, "6000"); // queue max message |
| properties2.put(QUEUE_BUFFERING_MAX_MS, "100"); // batch delay |
| properties2.put(BATCH_NUM_MESSAGES, "500"); // batch msg |
| properties2.put(CLIENT_ID, "test"); |
| ProducerConfig config = new ProducerConfig(properties2); |
| Producer<String, Tweet> producer = new Producer<>(config); |
| |
| String name = "user"; |
| String msg = arguments.messageValue; |
| for (int i = 0; i < arguments.totalMessages; i++) { |
| String sendMessage = msg + i; |
| Tweet tweet = new Tweet(name, sendMessage); |
| KeyedMessage<String, Tweet> message = new KeyedMessage<>(arguments.topicName, name, tweet); |
| producer.send(message); |
| } |
| |
| producer.close(); |
| log.info("Successfully published messages {}", arguments.totalMessages); |
| |
| } |
| |
| public static class TestPartitioner implements Partitioner { |
| @Override |
| public int partition(Object obj, int totalPartition) { |
| return obj.hashCode() % totalPartition; |
| } |
| } |
| |
| private static final Logger log = LoggerFactory.getLogger(ProducerExample.class); |
| } |