/*
* JBoss, Home of Professional Open Source
* Copyright 2012 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 copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* 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,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.infinispan.distribution.rehash;
import org.infinispan.Cache;
import org.infinispan.configuration.cache.CacheMode;
import org.infinispan.configuration.cache.Configuration;
import org.infinispan.configuration.cache.ConfigurationBuilder;
import org.infinispan.configuration.cache.FileCacheStoreConfigurationBuilder;
import org.infinispan.manager.EmbeddedCacheManager;
import org.infinispan.test.MultipleCacheManagersTest;
import org.infinispan.test.TestingUtil;
import org.infinispan.test.fwk.TestCacheManagerFactory;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;
import org.testng.annotations.AfterClass;
import org.testng.annotations.Test;
/**
* Test with a distributed cache (numOwners=1), a shared cache store and 'preload' enabled
* (ISPN-1964).
*
* @author Carsten Lohmann
*/
@Test(testName = "distribution.rehash.RehashAfterJoinWithPreloadTest", groups = "functional")
public class RehashAfterJoinWithPreloadTest extends MultipleCacheManagersTest {
private static final Log log = LogFactory.getLog(RehashAfterJoinWithPreloadTest.class);
private final String testCacheName = "testCache" + getClass().getSimpleName();
private final String fileCacheStoreTmpDir = TestingUtil.tmpDirectory(this);
protected boolean supportsConcurrentUpdates = true;
@Override
protected void createCacheManagers() throws Throwable {
// cacheManagers started one after another in test()
}
private void addNewCacheManagerAndWaitForRehash() {
EmbeddedCacheManager cacheManager = addClusterEnabledCacheManager(getDefaultClusteredCacheConfig(
CacheMode.DIST_SYNC, false));
cacheManager.defineConfiguration(testCacheName, buildCfg(true));
log.debug("\n\nstarted CacheManager #" + (getCacheManagers().size() - 1));
waitForClusterToForm(testCacheName);
}
private Configuration buildCfg(boolean clustered) {
ConfigurationBuilder cb = new ConfigurationBuilder();
FileCacheStoreConfigurationBuilder fileStoreCB = cb.loaders().addFileCacheStore().location(fileCacheStoreTmpDir);
fileStoreCB.purgeOnStartup(false);
cb.loaders().passivation(false);
cb.loaders().preload(true);
cb.loaders().shared(true);
if (clustered) {
cb.clustering().l1().disable();
cb.clustering().cacheMode(CacheMode.DIST_SYNC);
cb.clustering().hash().numOwners(1); // one owner!
cb.clustering().stateTransfer().fetchInMemoryState(true);
cb.clustering().hash().groups().enabled();
}
cb.locking().supportsConcurrentUpdates(supportsConcurrentUpdates);
return cb.build(true);
}
public void test() {
// first initialize the file based cache store with 3 entries in a cache
putTestDataInCacheStore();
// start a cluster that uses this cache store
// add 1st member
addNewCacheManagerAndWaitForRehash();
printCacheContents();
// assertEvenDistribution();
// add 2nd member
addNewCacheManagerAndWaitForRehash();
printCacheContents();
// assertEvenDistribution();
// add 3rd member
addNewCacheManagerAndWaitForRehash();
printCacheContents();
assertEvenDistribution();
}
private void assertEvenDistribution() {
for (int i = 0; i < getCacheManagers().size(); i++) {
Cache<String, String> testCache = manager(i).getCache(testCacheName);
for (String key : testCache.keySet()) {
// each key must only occur once (numOwners is one)
assert testCache.getAdvancedCache().getDistributionManager().getLocality(key).isLocal()
: "Key '" + key + "' is not owned by node " + address(i) + " but it still appears there";
}
}
}
private void putTestDataInCacheStore() {
log.debug("Using cache store dir " + fileCacheStoreTmpDir);
EmbeddedCacheManager cmForCacheStoreInit = TestCacheManagerFactory.createCacheManager(TestCacheManagerFactory
.getDefaultConfiguration(true));
try {
cmForCacheStoreInit.defineConfiguration(testCacheName, buildCfg(false));
Cache<String, String> cache = cmForCacheStoreInit.getCache(testCacheName);
cache.put("key1", "one");
cache.put("key2", "two");
cache.put("key3", "three");
log.debug("added 3 entries to test cache");
} finally {
TestingUtil.killCacheManagers(cmForCacheStoreInit);
}
}
private void printCacheContents() {
log.debug("----------------------------------------------------");
for (int i = 0; i < getCacheManagers().size(); i++) {
log.debug(" Content of Cache with CacheManager #" + i + " (" + address(i) + ", all members: "
+ manager(i).getMembers() + ")");
Cache<String, String> testCache = manager(i).getCache(testCacheName);
for (String key : testCache.keySet()) {
log.debug(" key: " + key + " value: " + testCache.get(key));
}
}
}
@AfterClass(alwaysRun = true)
protected void clearTempDir() {
TestingUtil.recursiveFileRemove(fileCacheStoreTmpDir);
}
}