/*
* 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.local;
import java.util.concurrent.Callable;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.locks.Lock;
import org.apache.ignite.Ignite;
import org.apache.ignite.IgniteCache;
import org.apache.ignite.IgniteCheckedException;
import org.apache.ignite.configuration.CacheConfiguration;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi;
import org.apache.ignite.spi.discovery.tcp.ipfinder.vm.TcpDiscoveryVmIpFinder;
import org.apache.ignite.testframework.GridTestThread;
import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
import org.jetbrains.annotations.Nullable;
import static org.apache.ignite.cache.CacheMode.LOCAL;
/**
* Test cases for multi-threaded tests.
*/
@SuppressWarnings({"ProhibitedExceptionThrown"})
public class GridCacheLocalLockSelfTest extends GridCommonAbstractTest {
/** Grid. */
private Ignite ignite;
/**
*
*/
public GridCacheLocalLockSelfTest() {
super(true /*start grid. */);
}
/** {@inheritDoc} */
@Override protected void beforeTest() throws Exception {
ignite = grid();
}
/** {@inheritDoc} */
@Override protected void afterTest() throws Exception {
ignite = null;
}
/** {@inheritDoc} */
@Override protected IgniteConfiguration getConfiguration() throws Exception {
IgniteConfiguration cfg = super.getConfiguration();
TcpDiscoverySpi disco = new TcpDiscoverySpi();
disco.setIpFinder(new TcpDiscoveryVmIpFinder(true));
cfg.setDiscoverySpi(disco);
CacheConfiguration cacheCfg = defaultCacheConfiguration();
cacheCfg.setCacheMode(LOCAL);
cfg.setCacheConfiguration(cacheCfg);
return cfg;
}
/**
* @throws IgniteCheckedException If test failed.
*/
public void testLockReentry() throws IgniteCheckedException {
IgniteCache<Integer, String> cache = ignite.cache(DEFAULT_CACHE_NAME);
assert !cache.isLocalLocked(1, false);
assert !cache.isLocalLocked(1, true);
Lock lock = cache.lock(1);
lock.lock();
assert cache.isLocalLocked(1, false);
assert cache.isLocalLocked(1, true);
try {
assert cache.get(1) == null;
assert cache.getAndPut(1, "1") == null;
assert "1".equals(cache.get(1));
// Reentry.
lock.lock();
assert cache.isLocalLocked(1, false);
assert cache.isLocalLocked(1, true);
try {
assert "1".equals(cache.getAndRemove(1));
}
finally {
lock.unlock();
}
assert cache.isLocalLocked(1, false);
assert cache.isLocalLocked(1, true);
}
finally {
lock.unlock();
}
assert !cache.isLocalLocked(1, false);
assert !cache.isLocalLocked(1, true);
}
/**
* @throws Exception If test failed.
*/
public void testLock() throws Throwable {
final IgniteCache<Integer, String> cache = ignite.cache(DEFAULT_CACHE_NAME);
final CountDownLatch latch1 = new CountDownLatch(1);
final CountDownLatch latch2 = new CountDownLatch(1);
final CountDownLatch latch3 = new CountDownLatch(1);
final Lock lock = cache.lock(1);
GridTestThread t1 = new GridTestThread(new Callable<Object>() {
@SuppressWarnings({"CatchGenericClass"})
@Nullable @Override public Object call() throws Exception {
info("Before lock for.key 1");
lock.lock();
info("After lock for key 1");
try {
assert cache.isLocalLocked(1, false);
assert cache.isLocalLocked(1, true);
latch1.countDown();
info("Let thread2 proceed.");
cache.put(1, "1");
info("Put 1='1' key pair into cache.");
latch2.await();
info("Waited for latch 2");
}
finally {
lock.unlock();
info("Unlocked entry for key 1.");
latch3.countDown();
}
return null;
}
});
GridTestThread t2 = new GridTestThread(new Callable<Object>() {
@SuppressWarnings({"CatchGenericClass"})
@Nullable @Override public Object call() throws Exception {
info("Waiting for latch1...");
latch1.await();
info("Latch1 released.");
assert !lock.tryLock();
assert cache.isLocalLocked(1, false);
assert !cache.isLocalLocked(1, true);
info("Tried to lock cache for key1");
latch2.countDown();
info("Released latch2");
latch3.await();
assert lock.tryLock();
assert cache.isLocalLocked(1, false);
assert cache.isLocalLocked(1, true);
try {
info("Locked cache for key 1");
assert "1".equals(cache.get(1));
info("Read value for key 1");
assert "1".equals(cache.getAndRemove(1));
info("Removed value for key 1");
assert cache.isLocalLocked(1, false);
assert cache.isLocalLocked(1, true);
info("Checked that cache is locked for key 1");
}
finally {
lock.unlock();
info("Unlocked cache for key 1");
}
assert !cache.isLocalLocked(1, false);
assert !cache.isLocalLocked(1, true);
return null;
}
});
t1.start();
t2.start();
t1.join();
t2.join();
t1.checkError();
t2.checkError();
assert !cache.isLocalLocked(1, true);
assert !cache.isLocalLocked(1, false);
}
/**
* @throws Exception If test failed.
*/
public void testLockAndPut() throws Throwable {
final IgniteCache<Integer, String> cache = ignite.cache(DEFAULT_CACHE_NAME);
final CountDownLatch latch1 = new CountDownLatch(1);
GridTestThread t1 = new GridTestThread(new Callable<Object>() {
@Nullable @Override public Object call() throws Exception {
Lock lock = cache.lock(1);
lock.lock();
info("Locked cache key: 1");
try {
assert cache.isLocalLocked(1, true);
assert cache.isLocalLocked(1, false);
info("Verified that cache key is locked: 1");
cache.put(1, "1");
info("Put key value pair into cache: 1='1'");
latch1.countDown();
info("Released latch1");
// Hold lock for a bit.
Thread.sleep(50);
info("Woke up from sleep.");
}
finally {
lock.unlock();
info("Unlocked cache key: 1");
}
return null;
}
});
GridTestThread t2 = new GridTestThread(new Callable<Object>() {
@Nullable @Override public Object call() throws Exception {
info("Beginning to await on latch 1");
latch1.await();
info("Finished awaiting on latch 1");
assert "1".equals(cache.get(1));
info("Retrieved value from cache for key: 1");
cache.put(1, "2");
info("Put key-value pair into cache: 1='2'");
assert "2".equals(cache.getAndRemove(1));
info("Removed key from cache: 1");
return null;
}
});
t1.start();
t2.start();
t1.join();
t2.join();
t1.checkError();
t2.checkError();
assert !cache.isLocalLocked(1, true);
assert !cache.isLocalLocked(1, false);
}
}