/*
* JBoss, Home of Professional Open Source
* Copyright 2010 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
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.infinispan.profiling;
import org.infinispan.test.AbstractInfinispanTest;
import org.infinispan.test.CacheManagerCallable;
import org.infinispan.test.TestingUtil;
import org.infinispan.test.fwk.TestCacheManagerFactory;
import org.testng.annotations.Test;
import java.util.Random;
import java.util.concurrent.TimeUnit;
import static org.infinispan.test.TestingUtil.withCacheManager;
/**
* Test class that verifies how quickly Cache instances are created under different scenarios
*
* @author Galder Zamarreño
* @since 4.2
*/
@Test(groups = "functional", testName = "profiling.CacheCreationStressTest")
public class CacheCreationStressTest extends AbstractInfinispanTest {
public void testCreateCachesFromSameContainer() {
final long start = System.currentTimeMillis();
withCacheManager(new CacheManagerCallable(TestCacheManagerFactory.createCacheManager()) {
@Override
public void call() {
for (int i = 0; i < 1000; i++) {
cm.getCache(generateRandomString(20));
}
System.out.println("Took: " + TimeUnit.MILLISECONDS.toSeconds(System.currentTimeMillis() - start));
TestingUtil.sleepThread(2000);
}
});
}
public static String generateRandomString(int numberOfChars) {
Random r = new Random(System.currentTimeMillis());
StringBuilder sb = new StringBuilder();
for (int i = 0; i < numberOfChars; i++) sb.append((char) (64 + r.nextInt(26)));
return sb.toString();
}
}