package org.infinispan.distribution.rehash;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import org.infinispan.Cache;
import org.infinispan.manager.CacheContainer;
import org.infinispan.manager.EmbeddedCacheManager;
import org.infinispan.test.TestingUtil;
import org.infinispan.test.fwk.TransportFlags;
import org.testng.annotations.Test;
@Test(groups = "functional", testName = "distribution.rehash.ConcurrentJoinTest", description = "See ISPN-1123")
public class ConcurrentJoinTest extends RehashTestBase {
List<EmbeddedCacheManager> joinerManagers;
List<Cache<Object, String>> joiners;
static final int NUM_JOINERS = 4;
void performRehashEvent(boolean offline) throws Exception {
joinerManagers = new CopyOnWriteArrayList<EmbeddedCacheManager>();
joiners = new CopyOnWriteArrayList<Cache<Object, String>>(new Cache[NUM_JOINERS]);
for (int i = 0; i < NUM_JOINERS; i++) {
EmbeddedCacheManager joinerManager = addClusterEnabledCacheManager(new TransportFlags().withFD(false).withPortRange(i));
joinerManager.defineConfiguration(cacheName, configuration.build());
joinerManagers.add(joinerManager);
joiners.set(i, null);
}
Future<?>[] threads = new Future[NUM_JOINERS];
for (int i = 0; i < NUM_JOINERS; i++) {
final int ii = i;
threads[i] = fork(() -> {
EmbeddedCacheManager joinerManager = joinerManagers.get(ii);
Cache<Object, String> joiner = joinerManager.getCache(cacheName);
joiners.set(ii, joiner);
});
}
for (int i = 0; i < NUM_JOINERS; i++) {
threads[i].get(30, TimeUnit.SECONDS);
}
}
@SuppressWarnings("unchecked")
void waitForRehashCompletion() {
List<CacheContainer> allCacheManagers = new ArrayList<CacheContainer>(cacheManagers);
// Collection already contains all cache managers, no need to add more
TestingUtil.blockUntilViewsReceived(60000, false, allCacheManagers);
waitForClusterToForm(cacheName);
for (int i = 0; i < NUM_JOINERS; i++) {
caches.add(joiners.get(i));
}
}
}