1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
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
|
/*******************************************************************************
* ============LICENSE_START=======================================================
* org.onap.dmaap
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Modifications Copyright © 2021 Orange.
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*
*******************************************************************************/
package org.onap.dmaap.mr.test.clients;
import org.json.JSONObject;
import org.onap.dmaap.mr.client.MRBatchingPublisher;
import org.onap.dmaap.mr.client.MRClientBuilders.PublisherBuilder;
import org.onap.dmaap.mr.client.MRPublisher.Message;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.util.List;
import java.util.concurrent.TimeUnit;
public class SamplePublisher {
public static void main(String[] args) throws IOException, InterruptedException {
final Logger logger = LoggerFactory.getLogger(SampleConsumer.class);
// read the hosts(s) from the command line
final String hosts = (args.length > 0 ? args[0] : "localhost:8181");
// read the topic name from the command line
final String topic = (args.length > 1 ? args[1] : "org.onap.dmaap.mr.testingTopic");
// set up some batch limits and the compression flag
final int maxBatchSize = 100;
final int maxAgeMs = 250;
final boolean withGzip = false;
// create our publisher
final MRBatchingPublisher pub = new PublisherBuilder().
usingHosts(hosts).
onTopic(topic).limitBatch(maxBatchSize, maxAgeMs).
authenticatedBy("CG0TXc2Aa3v8LfBk", "pj2rhxJWKP23pgy8ahMnjH88").
build();
// publish some messages
final JSONObject msg1 = new JSONObject();
msg1.put("name", "tttttttttttttttt");
msg1.put("greeting", "ooooooooooooooooo");
pub.send("MyPartitionKey", msg1.toString());
final JSONObject msg2 = new JSONObject();
msg2.put("now", System.currentTimeMillis());
pub.send("MyOtherPartitionKey", msg2.toString());
// ...
// close the publisher to make sure everything's sent before exiting. The batching
// publisher interface allows the app to get the set of unsent messages. It could
// write them to disk, for example, to try to send them later.
final List<Message> stuck = pub.close(20, TimeUnit.SECONDS);
if (!stuck.isEmpty()) {
logger.warn(stuck.size() + " messages unsent");
} else {
logger.info("Clean exit; all messages sent.");
}
}
}
|
