/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.client.map;
import com.hazelcast.client.config.ClientConfig;
import com.hazelcast.client.spi.properties.ClientProperty;
import com.hazelcast.client.test.TestHazelcastFactory;
import com.hazelcast.config.Config;
import com.hazelcast.core.EntryAdapter;
import com.hazelcast.core.ExecutionCallback;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.ICompletableFuture;
import com.hazelcast.core.IMap;
import com.hazelcast.instance.TestUtil;
import com.hazelcast.map.EntryBackupProcessor;
import com.hazelcast.map.EntryProcessor;
import com.hazelcast.map.impl.MapService;
import com.hazelcast.query.PagingPredicate;
import com.hazelcast.spi.EventRegistration;
import com.hazelcast.spi.EventService;
import com.hazelcast.test.AssertTask;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.annotation.NightlyTest;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.After;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.io.Serializable;
import java.util.Collection;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.CountDownLatch;
import static com.hazelcast.spi.properties.GroupProperty.OPERATION_CALL_TIMEOUT_MILLIS;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.junit.Assert.assertEquals;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class ClientMapIssueTest extends HazelcastTestSupport {
private final TestHazelcastFactory hazelcastFactory = new TestHazelcastFactory();
@After
public void tearDown() {
hazelcastFactory.terminateAll();
}
@Test
public void testListenerRegistrations() throws Exception {
Config config = getConfig();
HazelcastInstance instance1 = hazelcastFactory.newHazelcastInstance(config);
HazelcastInstance client = hazelcastFactory.newHazelcastClient();
final String mapName = randomMapName();
IMap<Object, Object> map = client.getMap(mapName);
map.addEntryListener(new EntryAdapter<Object, Object>(), true);
HazelcastInstance instance2 = hazelcastFactory.newHazelcastInstance(config);
instance1.getLifecycleService().terminate();
instance1 = hazelcastFactory.newHazelcastInstance(config);
final EventService eventService1 = TestUtil.getNode(instance1).nodeEngine.getEventService();
final EventService eventService2 = TestUtil.getNode(instance2).nodeEngine.getEventService();
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
Collection<EventRegistration> regs1 = eventService1.getRegistrations(MapService.SERVICE_NAME, mapName);
Collection<EventRegistration> regs2 = eventService2.getRegistrations(MapService.SERVICE_NAME, mapName);
assertEquals("there should be only one registration", 1, regs1.size());
assertEquals("there should be only one registration", 1, regs2.size());
}
});
}
@Test
public void testFutureGetCalledInCallback() {
hazelcastFactory.newHazelcastInstance();
HazelcastInstance client = hazelcastFactory.newHazelcastClient();
IMap<Integer, Integer> map = client.getMap("map");
final ICompletableFuture<Integer> future = (ICompletableFuture<Integer>) map.getAsync(1);
final CountDownLatch latch = new CountDownLatch(1);
future.andThen(new ExecutionCallback<Integer>() {
public void onResponse(Integer response) {
try {
future.get();
latch.countDown();
} catch (Exception e) {
e.printStackTrace();
}
}
public void onFailure(Throwable t) {
}
});
assertOpenEventually(latch, 10);
}
@Test
@Category(NightlyTest.class)
public void testOperationNotBlockingAfterClusterShutdown() throws InterruptedException {
Config config = getConfig();
HazelcastInstance instance1 = hazelcastFactory.newHazelcastInstance(config);
HazelcastInstance instance2 = hazelcastFactory.newHazelcastInstance(config);
ClientConfig clientConfig = new ClientConfig();
clientConfig.setExecutorPoolSize(1);
clientConfig.getNetworkConfig().setConnectionAttemptLimit(Integer.MAX_VALUE);
clientConfig.setProperty(ClientProperty.INVOCATION_TIMEOUT_SECONDS.getName(), "10");
HazelcastInstance client = hazelcastFactory.newHazelcastClient(clientConfig);
final IMap<String, String> map = client.getMap(randomMapName());
map.put(randomString(), randomString());
instance1.getLifecycleService().terminate();
instance2.getLifecycleService().terminate();
final CountDownLatch latch = new CountDownLatch(1);
new Thread() {
public void run() {
try {
map.get(randomString());
} catch (Exception ignored) {
} finally {
latch.countDown();
}
}
}.start();
assertOpenEventually(latch);
}
@Test
@Category(NightlyTest.class)
public void testOperationNotBlockingAfterClusterShutdown_withOneExecutorPoolSize() throws InterruptedException {
Config config = getConfig();
HazelcastInstance instance1 = hazelcastFactory.newHazelcastInstance(config);
HazelcastInstance instance2 = hazelcastFactory.newHazelcastInstance(config);
ClientConfig clientConfig = new ClientConfig();
clientConfig.setExecutorPoolSize(1);
clientConfig.getNetworkConfig().setConnectionAttemptLimit(Integer.MAX_VALUE);
clientConfig.setProperty(ClientProperty.INVOCATION_TIMEOUT_SECONDS.getName(), "10");
HazelcastInstance client = hazelcastFactory.newHazelcastClient(clientConfig);
final IMap<String, String> map = client.getMap(randomMapName());
map.put(randomString(), randomString());
instance1.getLifecycleService().terminate();
instance2.getLifecycleService().terminate();
final CountDownLatch latch = new CountDownLatch(1);
new Thread() {
public void run() {
try {
map.get(randomString());
} catch (Exception ignored) {
} finally {
latch.countDown();
}
}
}.start();
assertOpenEventually(latch);
}
@Test
public void testMapPagingEntries() {
Config config = getConfig();
hazelcastFactory.newHazelcastInstance(config);
hazelcastFactory.newHazelcastInstance(config);
final ClientConfig clientConfig = new ClientConfig();
final HazelcastInstance client = hazelcastFactory.newHazelcastClient(clientConfig);
final IMap<Integer, Integer> map = client.getMap("map");
final int size = 50;
final int pageSize = 5;
for (int i = 0; i < size; i++) {
map.put(i, i);
}
final PagingPredicate<Integer, Integer> predicate = new PagingPredicate<Integer, Integer>(pageSize);
predicate.nextPage();
final Set<Map.Entry<Integer, Integer>> entries = map.entrySet(predicate);
assertEquals(pageSize, entries.size());
}
@Test
public void testMapPagingValues() {
Config config = getConfig();
hazelcastFactory.newHazelcastInstance(config);
hazelcastFactory.newHazelcastInstance(config);
final ClientConfig clientConfig = new ClientConfig();
final HazelcastInstance client = hazelcastFactory.newHazelcastClient(clientConfig);
final IMap<Integer, Integer> map = client.getMap("map");
final int size = 50;
final int pageSize = 5;
for (int i = 0; i < size; i++) {
map.put(i, i);
}
final PagingPredicate<Integer, Integer> predicate = new PagingPredicate<Integer, Integer>(pageSize);
predicate.nextPage();
Collection<Integer> values = map.values(predicate);
assertEquals(pageSize, values.size());
/**
* There may be cases when the server may return a list of entries larger than the requested page size, in this case
* the client should not put any anchor into the list that is on a page greater than the requested page. The case occurs
* when multiple members exist in the cluster. E.g.:
* pageSize:5
* page:2
* Map entries are: (0,0), (1, 1), ... (50, 50)
* server may return entries: 5, 6,7,8,9,10,13, 15, 16, 19 . We should not put (19, 19) as an anchor for page 2 but
* only (9, 9) for page 1. The below code tests this issue.
*/
// get the entries for page 0
predicate.setPage(0);
values = map.values(predicate);
assertEquals(pageSize, values.size());
int i = 0;
for (Integer value : values) {
assertEquals(i, value.intValue());
++i;
}
// get the entries for page 0, double check if calling second time works fine
values = map.values(predicate);
assertEquals(pageSize, values.size());
i = 0;
for (Integer value : values) {
assertEquals(i, value.intValue());
++i;
}
// get page 1, predicate anchors should be updated accordingly
predicate.nextPage();
values = map.values(predicate);
assertEquals(pageSize, values.size());
i = pageSize;
for (Integer value : values) {
assertEquals(i, value.intValue());
++i;
}
// Make sure that the anchor is the last entry of the first page. i.e. it is (9, 9)
Map.Entry anchor = predicate.getAnchor();
assertEquals((2 * pageSize) - 1, anchor.getKey());
assertEquals((2 * pageSize) - 1, anchor.getValue());
// jump to page 4
predicate.setPage(4);
values = map.values(predicate);
assertEquals(pageSize, values.size());
i = 4 * pageSize;
for (Integer value : values) {
assertEquals(i, value.intValue());
++i;
}
// Make sure that the new predicate is page 4 and last entry is: (24, 24)
anchor = predicate.getAnchor();
assertEquals((5 * pageSize) - 1, anchor.getKey());
assertEquals((5 * pageSize) - 1, anchor.getValue());
// jump to page 9
predicate.setPage(9);
values = map.values(predicate);
assertEquals(pageSize, values.size());
i = 9 * pageSize;
for (Integer value : values) {
assertEquals(i, value.intValue());
++i;
}
// make sure that the anchor is now (10 * 5) -1 = (49, 49)
anchor = predicate.getAnchor();
assertEquals((10 * pageSize) - 1, anchor.getKey());
assertEquals((10 * pageSize) - 1, anchor.getValue());
}
@Test
public void testMapPagingKeySet() {
Config config = getConfig();
hazelcastFactory.newHazelcastInstance(config);
hazelcastFactory.newHazelcastInstance(config);
final ClientConfig clientConfig = new ClientConfig();
final HazelcastInstance client = hazelcastFactory.newHazelcastClient(clientConfig);
final IMap<Integer, Integer> map = client.getMap("map");
final int size = 50;
final int pageSize = 5;
for (int i = 0; i < size; i++) {
map.put(size - i, i);
}
final PagingPredicate<Integer, Integer> predicate = new PagingPredicate<Integer, Integer>(pageSize);
predicate.nextPage();
final Set<Integer> values = map.keySet(predicate);
assertEquals(pageSize, values.size());
}
@Test
public void testNoOperationTimeoutException_whenUserCodeLongRunning() {
Config config = getConfig();
config.setProperty(OPERATION_CALL_TIMEOUT_MILLIS.getName(), "2000");
hazelcastFactory.newHazelcastInstance(config);
HazelcastInstance client = hazelcastFactory.newHazelcastClient();
IMap<Object, Object> map = client.getMap(randomMapName());
SleepyProcessor sleepyProcessor = new SleepyProcessor(SECONDS.toMillis(10));
String key = randomString();
String value = randomString();
map.put(key, value);
assertEquals(value, map.executeOnKey(key, sleepyProcessor));
}
static class SleepyProcessor implements EntryProcessor, Serializable {
private long millis;
SleepyProcessor(long millis) {
this.millis = millis;
}
@Override
public Object process(Map.Entry entry) {
try {
Thread.sleep(millis);
} catch (InterruptedException e) {
e.printStackTrace();
}
return entry.getValue();
}
@Override
public EntryBackupProcessor getBackupProcessor() {
return null;
}
}
}