package org.infinispan.affinity.impl;
import static org.testng.AssertJUnit.assertEquals;
import static org.testng.AssertJUnit.assertFalse;
import static org.testng.AssertJUnit.fail;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;
import org.infinispan.distribution.BaseDistFunctionalTest;
import org.infinispan.distribution.LocalizedCacheTopology;
import org.infinispan.manager.CacheContainer;
import org.infinispan.remoting.transport.Address;
import org.infinispan.test.TestingUtil;
import org.testng.annotations.AfterTest;
/**
* @author Mircea.Markus@jboss.com
* @since 4.1
*/
public abstract class BaseKeyAffinityServiceTest extends BaseDistFunctionalTest<Object, String> {
protected ThreadFactory threadFactory = getTestThreadFactory("KeyGeneratorThread");
protected ExecutorService executor = Executors.newSingleThreadExecutor(threadFactory);
protected KeyAffinityServiceImpl<Object> keyAffinityService;
@AfterTest
public void stopExecutorService() throws InterruptedException {
if (keyAffinityService != null) keyAffinityService.stop();
if (executor != null) {
executor.shutdown();
boolean terminatedGracefully = executor.awaitTermination(100, TimeUnit.MILLISECONDS);
executor.shutdownNow();
if (!terminatedGracefully) {
fail("KeyGenerator Executor not terminated in expected time");
}
}
}
protected void assertMapsToAddress(Object o, Address addr) {
LocalizedCacheTopology cacheTopology = caches.get(0).getAdvancedCache().getDistributionManager().getCacheTopology();
List<Address> addresses = cacheTopology.getDistribution(o).writeOwners();
assertEquals("Expected key " + o + " to map to address " + addr + ". List of addresses is" + addresses, true, addresses.contains(addr));
}
protected List<Address> topology() {
return topology(caches.get(0).getCacheManager());
}
protected List<Address> topology(CacheContainer cm) {
return cm.getCache(cacheName).getAdvancedCache().getRpcManager().getTransport().getMembers();
}
protected void assertEventualFullCapacity() throws InterruptedException {
List<Address> addresses = topology();
assertEventualFullCapacity(addresses);
}
protected void assertCorrectCapacity() throws InterruptedException {
assertCorrectCapacity(topology());
}
protected void assertEventualFullCapacity(List<Address> addresses) throws InterruptedException {
int capacity = 100;
eventuallyEquals(capacity * addresses.size(), keyAffinityService::getMaxNumberOfKeys);
Map<Address, BlockingQueue<Object>> blockingQueueMap = keyAffinityService.getAddress2KeysMapping();
for (Address addr : addresses) {
final BlockingQueue<Object> queue = blockingQueueMap.get(addr);
//the queue will eventually get filled
eventuallyEquals(capacity, queue::size);
}
eventuallyEquals(capacity * addresses.size(), () -> keyAffinityService.existingKeyCount.get());
// give the worker thread some time to shut down
Thread.sleep(200);
assertFalse(keyAffinityService.isKeyGeneratorThreadActive());
}
protected void assertCorrectCapacity(List<Address> addresses) throws InterruptedException {
Map<Address, BlockingQueue<Object>> blockingQueueMap = keyAffinityService.getAddress2KeysMapping();
long maxWaitTime = 5 * 60 * 1000;
for (Address addr : addresses) {
BlockingQueue<Object> queue = blockingQueueMap.get(addr);
long giveupTime = System.currentTimeMillis() + maxWaitTime;
while (queue.size() < KeyAffinityServiceImpl.THRESHOLD * 100 && System.currentTimeMillis() < giveupTime) Thread.sleep(100);
assert queue.size() >= KeyAffinityServiceImpl.THRESHOLD * 100 : "Obtained " + queue.size();
}
}
protected void assertKeyAffinityCorrectness() {
List<Address> addressList = topology();
assertKeyAffinityCorrectness(addressList);
}
protected void assertKeyAffinityCorrectness(Collection<Address> addressList) {
Map<Address, BlockingQueue<Object>> blockingQueueMap = keyAffinityService.getAddress2KeysMapping();
for (Address addr : addressList) {
BlockingQueue<Object> queue = blockingQueueMap.get(addr);
assertEquals(100, queue.size());
for (Object o : queue) {
assertMapsToAddress(o, addr);
}
}
}
protected void waitForClusterToResize() {
TestingUtil.blockUntilViewsReceived(10000, false, caches);
TestingUtil.waitForNoRebalance(caches);
assertEquals(caches.size(), topology().size());
}
}