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/*******************************************************************************
* ============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.IOException;
import java.util.List;
import java.util.concurrent.TimeUnit;
import org.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.onap.dmaap.mr.client.MRBatchingPublisher;
import org.onap.dmaap.mr.client.MRClientFactory;
import org.onap.dmaap.mr.client.MRClientBuilders.PublisherBuilder;
import org.onap.dmaap.mr.client.MRPublisher.message;
public class SamplePublisher {
public static void main ( String[] args ) throws IOException, InterruptedException
{
final Logger LOG = 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] : "com.att.app.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())
{
LOG.warn ( stuck.size() + " messages unsent" );
}
else
{
LOG.info ( "Clean exit; all messages sent." );
}
}
}
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