package org.jboss.cache.eviction.minttl;
import org.jboss.cache.CacheStatus;
import org.jboss.cache.Fqn;
import org.jboss.cache.eviction.EvictionAlgorithmConfigBase;
import org.jboss.cache.eviction.MRUAlgorithmConfig;
import org.jboss.cache.util.TestingUtil;
import org.testng.annotations.Test;
/**
* @author <a href="mailto:manik AT jboss DOT org">Manik Surtani</a>
* @since 2.1.0
*/
@Test(groups = {"functional"})
public class MRUMinTTLTest extends MinTTLTestBase
{
private Fqn fqn2 = Fqn.fromRelativeElements(region, "b");
@Override
protected EvictionAlgorithmConfigBase getEvictionAlgorithmConfig()
{
MRUAlgorithmConfig cfg = new MRUAlgorithmConfig();
cfg.setMaxNodes(1);
startBusyThread();
return cfg;
}
private void startBusyThread()
{
// start a thread to constantly put another node in the cache to make sure the maxNodes is exceeded.
// this should only happen AFTER the main node is entered to guarantee FIFO.
Thread busyThread = new Thread()
{
public void run()
{
while (true)
{
if (cache != null)
{
if (cache.getCacheStatus() == CacheStatus.STARTED)
{
if (cache.getRoot().hasChild(fqn))
{
cache.put(fqn2, "k", "v");
break;
}
}
}
TestingUtil.sleepRandom(50);
}
}
};
busyThread.setDaemon(true);
busyThread.start();
}
}