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* Copyright 2009 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
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package org.infinispan.distribution.rehash;
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;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
@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) {
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));
joinerManager.defineConfiguration(cacheName, configuration);
joinerManagers.add(joinerManager);
joiners.set(i, null);
}
Thread[] threads = new Thread[NUM_JOINERS];
for (int i = 0; i < NUM_JOINERS; i++) {
final int ii = i;
threads[i] = new Thread(new Runnable() {
public void run() {
EmbeddedCacheManager joinerManager = joinerManagers.get(ii);
Cache<Object, String> joiner = joinerManager.getCache(cacheName);
joiners.set(ii, joiner);
}
}, "ConcurrentJoinTest-Worker-" + i);
}
for (int i = 0; i < NUM_JOINERS; i++) {
threads[i].start();
}
for (int i = 0; i < NUM_JOINERS; i++) {
try {
threads[i].join();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
}
}
@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);
int[] joinersPos = new int[NUM_JOINERS];
for (int i = 0; i < NUM_JOINERS; i++) joinersPos[i] = locateJoiner(joinerManagers.get(i).getAddress());
log.info("***>>> Joiners are in positions " + Arrays.toString(joinersPos));
for (int i = 0; i < NUM_JOINERS; i++) {
if (joinersPos[i] > caches.size())
caches.add(joiners.get(i));
else
caches.add(joinersPos[i], joiners.get(i));
}
}
}