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Diffstat (limited to 'src/main/java/org/onap/dmaap/mr/test/clients/SimpleExampleConsumer.java')
-rw-r--r-- | src/main/java/org/onap/dmaap/mr/test/clients/SimpleExampleConsumer.java | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dmaap/mr/test/clients/SimpleExampleConsumer.java b/src/main/java/org/onap/dmaap/mr/test/clients/SimpleExampleConsumer.java new file mode 100644 index 0000000..a7f283c --- /dev/null +++ b/src/main/java/org/onap/dmaap/mr/test/clients/SimpleExampleConsumer.java @@ -0,0 +1,84 @@ +/******************************************************************************* + * ============LICENSE_START======================================================= + * org.onap.dmaap + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * 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 java.io.File; +import java.io.FileReader; +import java.io.FileWriter; +import java.util.Properties; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import org.onap.dmaap.mr.client.MRClientFactory; +import org.onap.dmaap.mr.client.MRConsumer; + +public class SimpleExampleConsumer { + + static FileWriter routeWriter = null; + static Properties props = null; + static FileReader routeReader = null; + + public static void main(String[] args) { + final Logger LOG = 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 ( "" + (++count) + ": " + msg ); + 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 (Exception x) { + System.err.println(x.getClass().getName() + ": " + x.getMessage()); + LOG.error("exception: ", x); + } + } +} |