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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
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package org.apache.usergrid.persistence.qakka.distributed.actors;
import akka.actor.ActorRef;
import akka.actor.ActorSystem;
import akka.actor.Props;
import com.google.inject.Injector;
import org.apache.commons.lang.RandomStringUtils;
import org.apache.usergrid.persistence.actorsystem.ActorSystemFig;
import org.apache.usergrid.persistence.actorsystem.GuiceActorProducer;
import org.apache.usergrid.persistence.qakka.AbstractTest;
import org.apache.usergrid.persistence.qakka.QakkaFig;
import org.apache.usergrid.persistence.qakka.core.QakkaUtils;
import org.apache.usergrid.persistence.qakka.core.impl.InMemoryQueue;
import org.apache.usergrid.persistence.qakka.distributed.DistributedQueueService;
import org.apache.usergrid.persistence.qakka.distributed.messages.QueueRefreshRequest;
import org.apache.usergrid.persistence.qakka.serialization.queuemessages.DatabaseQueueMessage;
import org.apache.usergrid.persistence.qakka.serialization.queuemessages.QueueMessageSerialization;
import org.apache.usergrid.persistence.qakka.serialization.sharding.Shard;
import org.apache.usergrid.persistence.qakka.serialization.sharding.ShardSerialization;
import org.junit.Assert;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.UUID;
public class QueueReaderTest extends AbstractTest {
private static final Logger logger = LoggerFactory.getLogger( QueueReaderTest.class );
@Test
public void testBasicOperation() throws Exception {
Injector injector = getInjector();
injector.getInstance( DistributedQueueService.class ); // init the INJECTOR
QakkaFig qakkaFig = injector.getInstance( QakkaFig.class );
ActorSystemFig actorSystemFig = injector.getInstance( ActorSystemFig.class );
ShardSerialization shardSerialization = injector.getInstance( ShardSerialization.class );
int numMessages = 200;
// create queue messages, only first lot get queue message data
QueueMessageSerialization serialization = injector.getInstance( QueueMessageSerialization.class );
String queueName = "qrt_queue_" + RandomStringUtils.randomAlphanumeric( 10 );
Shard newShard = new Shard( queueName, actorSystemFig.getRegionLocal(),
Shard.Type.DEFAULT, 1L, QakkaUtils.getTimeUuid());
shardSerialization.createShard( newShard );
for ( int i=0; i<numMessages; i++ ) {
UUID messageId = QakkaUtils.getTimeUuid();
UUID queueMessageId = QakkaUtils.getTimeUuid();
DatabaseQueueMessage message = new DatabaseQueueMessage(
messageId,
DatabaseQueueMessage.Type.DEFAULT,
queueName,
actorSystemFig.getRegionLocal(),
null,
System.currentTimeMillis(),
null,
queueMessageId);
serialization.writeMessage( message );
}
InMemoryQueue inMemoryQueue = injector.getInstance( InMemoryQueue.class );
Assert.assertEquals( 0, inMemoryQueue.size( queueName ) );
// run the QueueRefresher to fill up the in-memory queue
ActorSystem system = ActorSystem.create("Test-" + queueName);
ActorRef queueReaderRef = system.actorOf(
Props.create( GuiceActorProducer.class, QueueRefresher.class ), "queueReader");
QueueRefreshRequest refreshRequest = new QueueRefreshRequest( queueName, false );
// need to wait for refresh to complete
int maxRetries = 30;
int retries = 0;
while ( inMemoryQueue.size( queueName ) < qakkaFig.getQueueInMemorySize() && retries++ < maxRetries ) {
queueReaderRef.tell( refreshRequest, null ); // tell sends message, returns immediately
Thread.sleep(1000);
}
Assert.assertEquals( numMessages, inMemoryQueue.size( queueName ) );
}
}