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/*******************************************************************************
* ============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.onap.dmaap.mr.client.MRClientFactory;
import org.onap.dmaap.mr.client.MRConsumer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.Properties;
public class SimpleExampleConsumer {
static FileWriter routeWriter = null;
static Properties props = null;
static FileReader routeReader = null;
public static void main(String[] args) {
final Logger logger = LoggerFactory.getLogger(SimpleExampleConsumer.class);
long count = 0;
long nextReport = 5000;
final long startMs = System.currentTimeMillis();
try {
String routeFilePath = "/src/main/resources/dme2/preferredRoute.txt";
File fo = new File(routeFilePath);
if (!fo.exists()) {
routeWriter = new FileWriter(new File(routeFilePath));
}
routeReader = new FileReader(new File(routeFilePath));
props = new Properties();
final MRConsumer cc = MRClientFactory.createConsumer("/src/main/resources/dme2/consumer.properties");
int i = 0;
while (i < 10) {
Thread.sleep(2);
i++;
for (String msg : cc.fetch()) {
System.out.println(msg);
}
if (count > nextReport) {
nextReport += 5000;
final long endMs = System.currentTimeMillis();
final long elapsedMs = endMs - startMs;
final double elapsedSec = elapsedMs / 1000.0;
final double eps = count / elapsedSec;
System.out.println("Consumed " + count + " in " + elapsedSec + "; " + eps + " eps");
}
}
} catch (InterruptedException e) {
logger.error("Interrupted!", e);
// Restore interrupted state...
Thread.currentThread().interrupt();
} catch (Exception x) {
System.err.println(x.getClass().getName() + ": " + x.getMessage());
logger.error("exception: ", x);
}
}
}
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