1 /*******************************************************************************
2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 * ============LICENSE_END=========================================================
19 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
21 *******************************************************************************/
23 package org.onap.dmaap.mr.test.clients;
26 import java.io.FileReader;
27 import java.io.FileWriter;
28 import java.util.Properties;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
33 import org.onap.dmaap.mr.client.MRClientFactory;
34 import org.onap.dmaap.mr.client.MRConsumer;
36 public class SimpleExampleConsumer {
38 static FileWriter routeWriter = null;
39 static Properties props = null;
40 static FileReader routeReader = null;
42 public static void main(String[] args) {
43 final Logger LOG = LoggerFactory.getLogger(SimpleExampleConsumer.class);
46 long nextReport = 5000;
48 final long startMs = System.currentTimeMillis();
51 String routeFilePath = "/src/main/resources/dme2/preferredRoute.txt";
53 File fo = new File(routeFilePath);
55 routeWriter = new FileWriter(new File(routeFilePath));
57 routeReader = new FileReader(new File(routeFilePath));
58 props = new Properties();
59 final MRConsumer cc = MRClientFactory.createConsumer("/src/main/resources/dme2/consumer.properties");
64 for (String msg : cc.fetch()) {
65 // System.out.println ( "" + (++count) + ": " + msg );
66 System.out.println(msg);
69 if (count > nextReport) {
72 final long endMs = System.currentTimeMillis();
73 final long elapsedMs = endMs - startMs;
74 final double elapsedSec = elapsedMs / 1000.0;
75 final double eps = count / elapsedSec;
76 System.out.println("Consumed " + count + " in " + elapsedSec + "; " + eps + " eps");
79 } catch (Exception x) {
80 System.err.println(x.getClass().getName() + ": " + x.getMessage());
81 LOG.error("exception: ", x);