1 /*******************************************************************************
2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Modifications Copyright © 2021 Orange.
8 * ================================================================================
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
21 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
23 *******************************************************************************/
25 package org.onap.dmaap.mr.test.clients;
27 import org.json.JSONObject;
28 import org.onap.dmaap.mr.client.MRBatchingPublisher;
29 import org.onap.dmaap.mr.client.MRClientBuilders.PublisherBuilder;
30 import org.onap.dmaap.mr.client.MRPublisher.Message;
31 import org.slf4j.Logger;
32 import org.slf4j.LoggerFactory;
34 import java.io.IOException;
35 import java.util.List;
36 import java.util.concurrent.TimeUnit;
38 public class SamplePublisher {
39 public static void main(String[] args) throws IOException, InterruptedException {
40 final Logger logger = LoggerFactory.getLogger(SampleConsumer.class);
41 // read the hosts(s) from the command line
42 final String hosts = (args.length > 0 ? args[0] : "localhost:8181");
44 // read the topic name from the command line
46 final String topic = (args.length > 1 ? args[1] : "org.onap.dmaap.mr.testingTopic");
48 // set up some batch limits and the compression flag
49 final int maxBatchSize = 100;
50 final int maxAgeMs = 250;
51 final boolean withGzip = false;
53 // create our publisher
55 final MRBatchingPublisher pub = new PublisherBuilder().
57 onTopic(topic).limitBatch(maxBatchSize, maxAgeMs).
58 authenticatedBy("CG0TXc2Aa3v8LfBk", "pj2rhxJWKP23pgy8ahMnjH88").
60 // publish some messages
61 final JSONObject msg1 = new JSONObject();
62 msg1.put("name", "tttttttttttttttt");
63 msg1.put("greeting", "ooooooooooooooooo");
64 pub.send("MyPartitionKey", msg1.toString());
66 final JSONObject msg2 = new JSONObject();
67 msg2.put("now", System.currentTimeMillis());
68 pub.send("MyOtherPartitionKey", msg2.toString());
72 // close the publisher to make sure everything's sent before exiting. The batching
73 // publisher interface allows the app to get the set of unsent messages. It could
74 // write them to disk, for example, to try to send them later.
75 final List<Message> stuck = pub.close(20, TimeUnit.SECONDS);
76 if (!stuck.isEmpty()) {
77 logger.warn(stuck.size() + " messages unsent");
79 logger.info("Clean exit; all messages sent.");