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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.ignite.internal.processors.cache.distributed;
import java.util.concurrent.Callable;
import java.util.concurrent.locks.Lock;
import org.apache.ignite.Ignite;
import org.apache.ignite.IgniteCache;
import org.apache.ignite.configuration.CacheConfiguration;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.testframework.GridTestUtils;
import org.apache.ignite.testframework.MvccFeatureChecker;
import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
import org.junit.Test;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static org.apache.ignite.cache.CacheAtomicityMode.TRANSACTIONAL;
import static org.apache.ignite.cache.CacheMode.REPLICATED;
import static org.apache.ignite.cache.CacheWriteSynchronizationMode.FULL_SYNC;
/**
*
*/
public class CacheTryLockMultithreadedTest extends GridCommonAbstractTest {
/** */
private static final int SRVS = 2;
/** {@inheritDoc} */
@Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception {
IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName);
CacheConfiguration<Integer, Integer> ccfg = new CacheConfiguration<>(DEFAULT_CACHE_NAME);
ccfg.setAtomicityMode(TRANSACTIONAL);
ccfg.setWriteSynchronizationMode(FULL_SYNC);
ccfg.setCacheMode(REPLICATED);
cfg.setCacheConfiguration(ccfg);
return cfg;
}
/** {@inheritDoc} */
@Override protected void beforeTestsStarted() throws Exception {
super.beforeTestsStarted();
startGridsMultiThreaded(SRVS);
startClientGrid(SRVS);
}
/** {@inheritDoc} */
@Override protected void beforeTest() throws Exception {
MvccFeatureChecker.skipIfNotSupported(MvccFeatureChecker.Feature.ENTRY_LOCK);
}
/**
* @throws Exception If failed.
*/
@Test
public void testTryLock() throws Exception {
Ignite client = grid(SRVS);
final Integer key = 1;
final IgniteCache<Integer, Integer> cache = client.cache(DEFAULT_CACHE_NAME);
final long stopTime = System.currentTimeMillis() + 30_000;
GridTestUtils.runMultiThreaded(new Callable<Void>() {
@Override public Void call() throws Exception {
Lock lock = cache.lock(key);
while (System.currentTimeMillis() < stopTime) {
for (int i = 0; i < 1000; i++) {
boolean locked = lock.tryLock(100, MILLISECONDS);
if (locked)
lock.unlock();
}
}
return null;
}
}, 20, "lock-thread");
}
}