package org.infinispan.notifications.cachemanagerlistener;
import java.util.List;
import java.util.Set;
import java.util.concurrent.CountDownLatch;
import org.infinispan.manager.CacheContainer;
import org.infinispan.manager.EmbeddedCacheManager;
import org.infinispan.notifications.Listener;
import org.infinispan.notifications.cachemanagerlistener.annotation.ViewChanged;
import org.infinispan.notifications.cachemanagerlistener.event.ViewChangedEvent;
import org.infinispan.remoting.transport.Address;
import org.infinispan.test.AbstractInfinispanTest;
import org.infinispan.test.TestingUtil;
import org.infinispan.test.fwk.TestCacheManagerFactory;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.Test;
@Test(groups = "unit", testName = "notifications.cachemanagerlistener.CacheManagerNotifierTest")
public class CacheManagerNotifierTest extends AbstractInfinispanTest {
private EmbeddedCacheManager cm1;
private EmbeddedCacheManager cm2;
@AfterMethod
public void tearDown() {
TestingUtil.killCacheManagers(cm1, cm2);
}
public static class CacheManagerNotifierWrapper implements CacheManagerNotifier {
final CacheManagerNotifier realOne;
volatile boolean notifyView;
volatile Address address;
public CacheManagerNotifierWrapper(CacheManagerNotifier realOne) {
this.realOne = realOne;
}
@Override
public void notifyViewChange(List<Address> members, List<Address> oldMembers, Address myAddress, int viewId) {
realOne.notifyViewChange(members, oldMembers, myAddress, viewId);
notifyView = true;
this.address = myAddress;
}
@Override
public void notifyCacheStarted(String cacheName) {
realOne.notifyCacheStarted(cacheName);
}
@Override
public void notifyCacheStopped(String cacheName) {
realOne.notifyCacheStopped(cacheName);
}
@Override
public void notifyMerge(List<Address> members, List<Address> oldMembers, Address myAddress, int viewId, List<List<Address>> subgroupsMerged) {
realOne.notifyMerge(members, oldMembers, myAddress, viewId, subgroupsMerged);
}
@Override
public void addListener(Object listener) {
realOne.addListener(listener);
}
@Override
public void removeListener(Object listener) {
realOne.removeListener(listener);
}
@Override
public Set<Object> getListeners() {
return realOne.getListeners();
}
}
public void testViewChange() throws Exception {
EmbeddedCacheManager cmA = TestCacheManagerFactory.createClusteredCacheManager();
cmA.getCache();
CountDownLatch barrier = new CountDownLatch(1);
GetCacheManagerCheckListener listener = new GetCacheManagerCheckListener(barrier);
cmA.addListener(listener);
CacheContainer cmB = TestCacheManagerFactory.createClusteredCacheManager();
cmB.getCache();
try {
barrier.await();
assert listener.cacheContainer != null;
} finally {
TestingUtil.killCacheManagers(cmA, cmB);
}
}
@Listener
static public class GetCacheManagerCheckListener {
CacheContainer cacheContainer;
CountDownLatch barrier;
public GetCacheManagerCheckListener(CountDownLatch barrier) {
this.barrier = barrier;
}
@ViewChanged
public void onViewChange(ViewChangedEvent e) throws Exception {
cacheContainer = e.getCacheManager();
barrier.countDown();
}
}
}