gistfile1.java

/*
 * Copyright 2012 Red Hat, Inc. and/or its affiliates.
 *
 * 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 library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA
 */

package org.infinispan.notifications.cachelistener;

import org.infinispan.manager.EmbeddedCacheManager;
import org.infinispan.notifications.Listener;
import org.infinispan.notifications.cachelistener.annotation.CacheEntryCreated;
import org.infinispan.notifications.cachelistener.event.CacheEntryCreatedEvent;
import org.infinispan.test.SingleCacheManagerTest;
import org.infinispan.test.fwk.TestCacheManagerFactory;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;
import org.testng.annotations.Test;

import java.util.Set;
import java.util.concurrent.Callable;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;

/**
 * // TODO: Document this
 *
 * @author Galder Zamarreño
 * @since // TODO
 */
@Test(groups = "functional", testName = "notifications.cachelistener.SizeAndListenerTest")
public class SizeAndListenerTest extends SingleCacheManagerTest {

   @Override
   protected EmbeddedCacheManager createCacheManager() throws Exception {
      return TestCacheManagerFactory.createLocalCacheManager(false);
   }

   public void test000() throws Exception {
      final CountDownLatch entryCreatedLatch = new CountDownLatch(1);
      cache.addListener(new CacheListener(entryCreatedLatch));
      ExecutorService exec = Executors.newSingleThreadExecutor(new ThreadFactory() {
         @Override
         public Thread newThread(Runnable r) {
            return new Thread(r, "SizeAndListenerTest-CacheUpdater");
         }
      });

      assert cache.size() == 0;

      exec.submit(new Callable<Object>() {
         @Override
         public Object call() throws Exception {
            cache.put("k", "v");
            return null;
         }
      });

      entryCreatedLatch.await(30, TimeUnit.SECONDS);
      int size = cache.size();
      assert size == 1 : "size is: " + size;
   }

   @Listener
   public static class CacheListener {

      Log log = LogFactory.getLog(CacheListener.class);

      final CountDownLatch latch;

      public CacheListener(CountDownLatch latch) {
         this.latch = latch;
      }

      @CacheEntryCreated
      public void entryCreated(CacheEntryCreatedEvent e) {
         if (!e.isPre()) {
            log.info("Cache entry created, now check size in different thread");
            latch.countDown();
         }
      }

   }

}