/*
* 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.map.impl.nearcache;
import com.hazelcast.config.Config;
import com.hazelcast.config.EvictionPolicy;
import com.hazelcast.config.InMemoryFormat;
import com.hazelcast.config.MapConfig;
import com.hazelcast.config.NearCacheConfig;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IMap;
import com.hazelcast.map.AbstractEntryProcessor;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.TestHazelcastInstanceFactory;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.HashSet;
import java.util.Map;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.fail;
/**
* Invalidates any map operation starter node's Near Cache immediately.
*/
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class NearCacheLocalImmediateInvalidateTest extends HazelcastTestSupport {
protected static final String MAP_NAME = NearCacheLocalImmediateInvalidateTest.class.getCanonicalName();
private static final int INSTANCE_COUNT = 2;
private static final int NUM_ITERATIONS = 1000;
private static final long TIMEOUT = 100L;
private static final TimeUnit TIME_UNIT = TimeUnit.MILLISECONDS;
private HazelcastInstance hzInstance1;
private HazelcastInstance hzInstance2;
@Before
public void setUp() {
Config config = createConfig();
// create Hazelcast instance
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(INSTANCE_COUNT);
hzInstance1 = factory.newHazelcastInstance(config);
hzInstance2 = factory.newHazelcastInstance(config);
}
protected Config createConfig() {
NearCacheConfig nearCacheConfig = new NearCacheConfig();
nearCacheConfig.setInMemoryFormat(InMemoryFormat.OBJECT);
nearCacheConfig.getEvictionConfig().setEvictionPolicy(EvictionPolicy.NONE);
Config config = new Config();
MapConfig mapConfig = config.getMapConfig(MAP_NAME + "*");
mapConfig.setNearCacheConfig(nearCacheConfig);
return config;
}
@After
public void tearDown() {
hzInstance1.getLifecycleService().shutdown();
hzInstance2.getLifecycleService().shutdown();
}
@Test
public void testRemove() {
IMap<String, String> map = hzInstance1.getMap(getMapName());
for (int k = 0; k < NUM_ITERATIONS; k++) {
String key = "remove_" + String.valueOf(k);
String value = "merhaba-" + key;
// test
String value0 = map.put(key, value);
// this brings the value into the Near Cache
String value1 = map.get(key);
String value2 = map.remove(key);
// here we _might_ still see the value
String value3 = map.get(key);
assertNull(value0);
assertEquals(value, value1);
assertEquals(value, value2);
assertNull(value3);
}
}
@Test
public void testDelete() {
IMap<String, String> map = hzInstance1.getMap(getMapName());
for (int k = 0; k < NUM_ITERATIONS; k++) {
String key = "delete_" + String.valueOf(k);
String value = "merhaba-" + key;
String value0 = map.put(key, value);
// this brings the value into the Near Cache
String value1 = map.get(key);
map.delete(key);
// here we _might_ still see the value
String value3 = map.get(key);
assertNull(value0);
assertEquals(value, value1);
assertNull(value3);
}
}
@Test
public void testRemoveValue() {
IMap<String, String> map = hzInstance1.getMap(getMapName());
for (int k = 0; k < NUM_ITERATIONS; k++) {
String key = "removevalue_" + String.valueOf(k);
String value = "merhaba-" + key;
String value0 = map.put(key, value);
// this brings the value into the Near Cache
String value1 = map.get(key);
map.remove(key, value);
// here we _might_ still see the value
String value3 = map.get(key);
assertNull(value0);
assertEquals(value, value1);
assertNull(value3);
}
}
@Test
public void testTryRemove() {
IMap<String, String> map = hzInstance1.getMap(getMapName());
for (int k = 0; k < NUM_ITERATIONS; k++) {
String key = "tryremove_" + String.valueOf(k);
String value = "merhaba-" + key;
String value0 = map.put(key, value);
// this brings the value into the Near Cache
String value1 = map.get(key);
map.tryRemove(key, TIMEOUT, TIME_UNIT);
// here we _might_ still see the value
String value3 = map.get(key);
assertNull(value0);
assertEquals(value, value1);
assertNull(value3);
}
}
@Test
public void testRemoveAsync() {
IMap<String, String> map = hzInstance1.getMap(getMapName());
for (int k = 0; k < NUM_ITERATIONS; k++) {
String key = "removeasync_" + String.valueOf(k);
String value = "merhaba-" + key;
String value0 = map.put(key, value);
// this brings the value into the Near Cache
String value1 = map.get(key);
Future<String> future = map.removeAsync(key);
String value2 = null;
try {
value2 = future.get();
} catch (Exception e) {
fail("Exception in future.get(): " + e.getMessage());
}
// here we _might_ still see the value
String value3 = map.get(key);
assertNull(value0);
assertEquals(value, value1);
assertEquals(value, value2);
assertNull(value3);
}
}
// -------------------------------------------------------------------- put
@Test
public void testPut() {
IMap<String, String> map = hzInstance1.getMap(getMapName());
for (int k = 0; k < NUM_ITERATIONS; k++) {
String key = "put_" + String.valueOf(k);
String value = "merhaba-" + key;
// this brings the CACHED_AS_NULL into the Near Cache
String value0 = map.get(key);
String value1 = map.put(key, value);
// here we _might_ still see the CACHED_AS_NULL
String value2 = map.get(key);
assertNull(value0);
assertNull(value1);
assertEquals(value, value2);
}
}
@Test
public void testTryPut() {
IMap<String, String> map = hzInstance1.getMap(getMapName());
for (int k = 0; k < NUM_ITERATIONS; k++) {
String key = "tryput_" + String.valueOf(k);
String value = "merhaba-" + key;
// this brings the CACHED_AS_NULL into the Near Cache
String value0 = map.get(key);
map.tryPut(key, value, TIMEOUT, TIME_UNIT);
// here we _might_ still see the CACHED_AS_NULL
String value2 = map.get(key);
assertNull(value0);
assertEquals(value, value2);
}
}
@Test
public void testPutIfAbsent() {
IMap<String, String> map = hzInstance1.getMap(getMapName());
for (int k = 0; k < NUM_ITERATIONS; k++) {
String key = "putifabsent_" + String.valueOf(k);
String value = "merhaba-" + key;
// this brings the CACHED_AS_NULL into the Near Cache
String value0 = map.get(key);
String value1 = map.putIfAbsent(key, value);
// here we _might_ still see the CACHED_AS_NULL
String value2 = map.get(key);
assertNull(value0);
assertEquals(value, value2);
assertNull(value1);
}
}
@Test
public void testPutTransient() {
IMap<String, String> map = hzInstance1.getMap(getMapName());
for (int k = 0; k < NUM_ITERATIONS; k++) {
String key = "puttransient_" + String.valueOf(k);
String value = "merhaba-" + key;
// this brings the CACHED_AS_NULL into the Near Cache
String value0 = map.get(key);
map.putTransient(key, value, 0, TIME_UNIT);
// here we _might_ still see the CACHED_AS_NULL
String value2 = map.get(key);
assertNull(value0);
assertEquals(value, value2);
}
}
@Test
public void testPutAsync() {
IMap<String, String> map = hzInstance1.getMap(getMapName());
for (int k = 0; k < NUM_ITERATIONS; k++) {
String key = "putasync_" + String.valueOf(k);
String value = "merhaba-" + key;
// this brings the CACHED_AS_NULL into the Near Cache
String value0 = map.get(key);
Future<String> future = map.putAsync(key, value);
String value1 = null;
try {
value1 = future.get();
} catch (Exception e) {
fail("Exception in future.get(): " + e.getMessage());
}
// here we _might_ still see the CACHED_AS_NULL
String value2 = map.get(key);
assertNull(value0);
assertNull(value1);
assertEquals(value, value2);
}
}
@Test
public void testEvict() {
IMap<String, String> map = hzInstance1.getMap(getMapName());
for (int k = 0; k < NUM_ITERATIONS; k++) {
String key = "evict_" + String.valueOf(k);
String value = "merhaba-" + key;
String value0 = map.put(key, value);
// this brings the value into the Near Cache
String value1 = map.get(key);
map.evict(key);
// here we _might_ still see the value
String value3 = map.get(key);
assertNull(value0);
assertEquals(value, value1);
assertNull(value3);
}
}
@Test
public void testSet() {
IMap<String, String> map = hzInstance1.getMap(getMapName());
for (int k = 0; k < NUM_ITERATIONS; k++) {
String key = "set_" + String.valueOf(k);
String value = "merhaba-" + key;
// this brings the CACHED_AS_NULL into the Near Cache
String value0 = map.get(key);
map.set(key, value);
// here we _might_ still see the CACHED_AS_NULL
String value2 = map.get(key);
assertNull(value0);
assertEquals(value, value2);
}
}
@Test
public void testReplace() {
IMap<String, String> map = hzInstance1.getMap(getMapName());
for (int k = 0; k < NUM_ITERATIONS; k++) {
String key = "replace_" + String.valueOf(k);
String value = "merhaba-" + key;
String valueNew = "merhaba-new" + key;
map.put(key, value);
// this brings the CACHED_AS_NULL into the Near Cache
String value0 = map.get(key);
map.replace(key, valueNew);
// here we _might_ still see the CACHED_AS_NULL
String value2 = map.get(key);
assertNotNull(value0);
assertEquals(valueNew, value2);
}
}
@Test
public void testExecuteOnKey() {
IMap<String, String> map = hzInstance1.getMap(getMapName());
// loop over several keys to make sure we have keys on both instances
for (int k = 0; k < NUM_ITERATIONS; k++) {
String key = "executeOnKey_" + String.valueOf(k);
// bring null local cache
String expectedNull = map.get(key);
assertNull(expectedNull);
Object o = map.executeOnKey(key, new WritingEntryProcessor());
String newValue = (String) o;
String value2 = map.get(key);
assertEquals(newValue, value2);
}
}
@Test
@SuppressWarnings("unchecked")
public void testExecuteOnKeys() {
IMap<String, String> map = hzInstance1.getMap(getMapName());
// loop over several keys to make sure we have keys on both instances
for (int k = 0; k < NUM_ITERATIONS; k++) {
String key = "executeOnKeys_" + String.valueOf(k);
// bring null to local cache
String expectedNull = map.get(key);
assertNull(expectedNull);
HashSet<String> keys = new HashSet<String>();
keys.add(key);
Map<String, String> result = (Map) map.executeOnKeys(keys, new WritingEntryProcessor());
for (Map.Entry<String, String> e : result.entrySet()) {
String newValue = e.getValue();
String cachedValue = map.get(e.getKey());
assertEquals(newValue, cachedValue);
}
}
}
private static String getMapName() {
return randomMapName(MAP_NAME);
}
/**
* An entry processor which writes (changes the value and calls Entry.setValue()).
*/
public static class WritingEntryProcessor extends AbstractEntryProcessor<String, String> {
private static final long serialVersionUID = 1L;
@Override
public Object process(Map.Entry<String, String> entry) {
entry.setValue("new value");
return "new value";
}
}
}