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/*-
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Copyright (C) 2017 Amdocs
* =============================================================================
* 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.
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
* ============LICENSE_END=========================================================
*/
package org.openecomp.appc.adapter.messaging.dmaap;
import java.io.*;
import java.util.List;
import java.util.Properties;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
import com.att.nsa.mr.client.MRConsumer;
import org.json.JSONObject;
import org.openecomp.appc.adapter.messaging.dmaap.impl.DmaapUtil;
import com.att.nsa.mr.client.MRBatchingPublisher;
import com.att.nsa.mr.client.MRClientFactory;
import com.att.nsa.mr.client.MRPublisher.message;
/**
*An example of how to use the Java publisher.
*/
public class SimpleExamplePublisher
{
public static void main(String []args) throws InterruptedException, Exception{
int msgCount = 1;
SimpleExamplePublisher publisher = new SimpleExamplePublisher();
int i=0;
String topicProducerPropFileName = DmaapUtil.createProducerPropFile("org.openecomp.appc.UNIT-TEST", null);
while (i< msgCount)
{
publisher.publishMessage(topicProducerPropFileName,i);
i++;
}
fetchMessage();
}
public void publishMessage( String producerFilePath,int count ) throws IOException, InterruptedException, Exception
{
// create our publisher
final MRBatchingPublisher pub = MRClientFactory.createBatchingPublisher (producerFilePath);
// publish some messages
final JSONObject msg1 = new JSONObject ();
msg1.put ( "Partition:2", "Message:" +count);
//msg1.put ( "greeting", "Hello .." );
pub.send ( "2", msg1.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.size () > 0 )
{
System.err.println ( stuck.size() + " messages unsent" );
}
else
{
System.out.println ( "Clean exit; all messages sent." );
}
}
public static void fetchMessage()
{
int count = 0;
try
{
String topic = "org.openecomp.appc.UNIT-TEST";
Properties props = new Properties();
props.put("id", "1");
props.put("group", "group1");
String topicConsumerPropFileName1 = DmaapUtil.createConsumerPropFile(topic,props);
final MRConsumer consumer1 = MRClientFactory.createConsumer ( topicConsumerPropFileName1);
props = new Properties();
props.put("id", "2");
props.put("group", "group2");
String topicConsumerPropFileName2 = DmaapUtil.createConsumerPropFile(topic,props);
final MRConsumer consumer2 = MRClientFactory.createConsumer ( topicConsumerPropFileName2);
for ( String msg : consumer1.fetch () )
{
count++;
System.out.println ( "consumer1 "+count + ": " + msg );
}
for ( String msg : consumer2.fetch () )
{
count++;
System.out.println ( "consumer1 "+count + ": " + msg );
}
}
catch ( Exception x )
{
System.out.println("inside cons exc");
System.err.println ( x.getClass().getName () + ": " + x.getMessage () );
}
}
}
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