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.onap.dmaap.mr.client.MRClientFactory;
28 import org.onap.dmaap.mr.client.MRConsumer;
29 import org.slf4j.Logger;
30 import org.slf4j.LoggerFactory;
33 import java.io.FileReader;
34 import java.io.FileWriter;
35 import java.util.Properties;
37 public class SimpleExampleConsumer {
39 static FileWriter routeWriter = null;
40 static Properties props = null;
41 static FileReader routeReader = null;
43 public static void main(String[] args) {
44 final Logger logger = LoggerFactory.getLogger(SimpleExampleConsumer.class);
47 long nextReport = 5000;
49 final long startMs = System.currentTimeMillis();
52 String routeFilePath = "/src/main/resources/dme2/preferredRoute.txt";
54 File fo = new File(routeFilePath);
56 routeWriter = new FileWriter(new File(routeFilePath));
58 routeReader = new FileReader(new File(routeFilePath));
59 props = new Properties();
60 final MRConsumer cc = MRClientFactory.createConsumer("/src/main/resources/dme2/consumer.properties");
65 for (String msg : cc.fetch()) {
67 System.out.println(msg);
70 if (count > nextReport) {
73 final long endMs = System.currentTimeMillis();
74 final long elapsedMs = endMs - startMs;
75 final double elapsedSec = elapsedMs / 1000.0;
76 final double eps = count / elapsedSec;
77 System.out.println("Consumed " + count + " in " + elapsedSec + "; " + eps + " eps");
80 } catch (InterruptedException e) {
81 logger.error("Interrupted!", e);
82 // Restore interrupted state...
83 Thread.currentThread().interrupt();
84 } catch (Exception x) {
85 System.err.println(x.getClass().getName() + ": " + x.getMessage());
86 logger.error("exception: ", x);