package com.hazelcast.map.nearcache;
import com.hazelcast.config.Config;
import com.hazelcast.config.MapConfig;
import com.hazelcast.config.NearCacheConfig;
import com.hazelcast.config.InMemoryFormat;
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.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.assertNull;
import static org.junit.Assert.fail;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertEquals;
@RunWith(HazelcastParallelClassRunner.class)
@Category(QuickTest.class)
public class NearCacheLocalInvalidationTest extends HazelcastTestSupport {
private static final int numIterations = 1000;
private static final long timeout = 100L;
private static final int instanceCount = 2;
private static final TimeUnit timeunit = TimeUnit.MILLISECONDS;
private static final String mapName = NearCacheLocalInvalidationTest.class.getCanonicalName();
private HazelcastInstance hcInstance;
private HazelcastInstance hcInstance2;
@Before
public void setUp() throws Exception {
// create config
Config config = new Config();
// configure near cache
MapConfig mapConfig = config.getMapConfig(mapName + "*");
NearCacheConfig nearCacheConfig = new NearCacheConfig();
nearCacheConfig.setEvictionPolicy("NONE");
nearCacheConfig.setInMemoryFormat(InMemoryFormat.OBJECT);
nearCacheConfig.setCacheLocalEntries(true); // this enables the local caching
mapConfig.setNearCacheConfig(nearCacheConfig);
// create Hazelcast instance
final TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(instanceCount);
hcInstance = factory.newHazelcastInstance(config);
hcInstance2 = factory.newHazelcastInstance(config);
}
@After
public void tearDown() throws Exception {
hcInstance.getLifecycleService().shutdown();
hcInstance2.getLifecycleService().shutdown();
}
@Test
public void testRemove() {
final IMap<String, String> map = hcInstance.getMap(getMapName());
for (int k = 0; k < numIterations; k++) {
String key = "remove_" + String.valueOf(k);
String value = "merhaba-" + key;
// test
String value0 = map.put(key, value);
String value1 = map.get(key); // this brings the value into the NearCache
String value2 = map.remove(key);
String value3 = map.get(key); // here we _might_ still see the value
assertNull(value0);
assertEquals(value, value1);
assertEquals(value, value2);
assertNull(value3);
}
}
@Test
public void testDelete() {
final IMap<String, String> map = hcInstance.getMap(getMapName());
for (int k = 0; k < numIterations; k++) {
String key = "delete_" + String.valueOf(k);
String value = "merhaba-" + key;
// test
String value0 = map.put(key, value);
String value1 = map.get(key); // this brings the value into the NearCache
map.delete(key);
String value3 = map.get(key); // here we _might_ still see the value
// assert
assertNull(value0);
assertEquals(value, value1);
assertNull(value3);
}
}
@Test
public void testRemoveValue() {
final IMap<String, String> map = hcInstance.getMap(getMapName());
for (int k = 0; k < numIterations; k++) {
String key = "removevalue_" + String.valueOf(k);
String value = "merhaba-" + key;
// test
String value0 = map.put(key, value);
String value1 = map.get(key); // this brings the value into the NearCache
map.remove(key, value);
String value3 = map.get(key); // here we _might_ still see the value
// assert
assertNull(value0);
assertEquals(value, value1);
assertNull(value3);
}
}
@Test
public void testTryRemove() {
final IMap<String, String> map = hcInstance.getMap(getMapName());
for (int k = 0; k < numIterations; k++) {
String key = "tryremove_" + String.valueOf(k);
String value = "merhaba-" + key;
// test
String value0 = map.put(key, value);
String value1 = map.get(key); // this brings the value into the NearCache
map.tryRemove(key, timeout, timeunit);
String value3 = map.get(key); // here we _might_ still see the value
// assert
assertNull(value0);
assertEquals(value, value1);
assertNull(value3);
}
}
@Test
public void testRemoveAsync() {
final IMap<String, String> map = hcInstance.getMap(getMapName());
for (int k = 0; k < numIterations; k++) {
String key = "removeasync_" + String.valueOf(k);
String value = "merhaba-" + key;
// test
String value0 = map.put(key, value);
String value1 = map.get(key); // this brings the value into the NearCache
Future<String> future = map.removeAsync(key);
String value2 = null;
try {
value2 = future.get();
} catch (Exception e) {
fail("Exception in future.get(): " + e.getMessage());
}
String value3 = map.get(key); // here we _might_ still see the value
// assert
assertNull(value0);
assertEquals(value, value1);
assertEquals(value, value2);
assertNull(value3);
}
}
// -------------------------------------------------------------------- put
@Test
public void testPut() {
final IMap<String, String> map = hcInstance.getMap(getMapName());
for (int k = 0; k < numIterations; k++) {
String key = "put_" + String.valueOf(k);
String value = "merhaba-" + key;
// test
String value0 = map.get(key); // this brings the NULL_OBJECT into the NearCache
String value1 = map.put(key, value);
String value2 = map.get(key); // here we _might_ still see the NULL_OBJECT
// assert
assertNull(value0);
assertNull(value1);
assertEquals(value, value2);
}
}
@Test
public void testTryPut() {
final IMap<String, String> map = hcInstance.getMap(getMapName());
for (int k = 0; k < numIterations; k++) {
String key = "tryput_" + String.valueOf(k);
String value = "merhaba-" + key;
// test
String value0 = map.get(key); // this brings the NULL_OBJECT into the NearCache
map.tryPut(key, value, timeout, timeunit);
String value2 = map.get(key); // here we _might_ still see the NULL_OBJECT
// assert
assertNull(value0);
assertEquals(value, value2);
}
}
@Test
public void testPutIfAbsent() {
final IMap<String, String> map = hcInstance.getMap(getMapName());
for (int k = 0; k < numIterations; k++) {
String key = "putifabsent_" + String.valueOf(k);
String value = "merhaba-" + key;
// test
String value0 = map.get(key); // this brings the NULL_OBJECT into the NearCache
String value1 = map.putIfAbsent(key, value);
String value2 = map.get(key); // here we _might_ still see the NULL_OBJECT
// assert
assertNull(value0);
assertEquals(value, value2);
assertNull(value1);
}
}
@Test
public void testPutTransient() {
final IMap<String, String> map = hcInstance.getMap(getMapName());
for (int k = 0; k < numIterations; k++) {
String key = "puttransient_" + String.valueOf(k);
String value = "merhaba-" + key;
// test
String value0 = map.get(key); // this brings the NULL_OBJECT into the NearCache
map.putTransient(key, value, 0, timeunit);
String value2 = map.get(key); // here we _might_ still see the NULL_OBJECT
// assert
assertNull(value0);
assertEquals(value, value2);
}
}
@Test
public void testPutAsync() {
final IMap<String, String> map = hcInstance.getMap(getMapName());
for (int k = 0; k < numIterations; k++) {
String key = "putasync_" + String.valueOf(k);
String value = "merhaba-" + key;
// test
String value0 = map.get(key); // this brings the NULL_OBJECT into the NearCache
Future<String> future = map.putAsync(key, value);
String value1 = null;
try {
value1 = future.get();
} catch (Exception e) {
fail("Exception in future.get(): " + e.getMessage());
}
String value2 = map.get(key); // here we _might_ still see the NULL_OBJECT
// assert
assertNull(value0);
assertNull(value1);
assertEquals(value, value2);
}
}
@Test
public void testEvict() {
final IMap<String, String> map = hcInstance.getMap(getMapName());
for (int k = 0; k < numIterations; k++) {
String key = "evict_" + String.valueOf(k);
String value = "merhaba-" + key;
// test
String value0 = map.put(key, value);
String value1 = map.get(key); // this brings the value into the NearCache
map.evict(key);
String value3 = map.get(key); // here we _might_ still see the value
assertNull(value0);
assertEquals(value, value1);
assertNull(value3);
}
}
@Test
public void testSet() {
final IMap<String, String> map = hcInstance.getMap(getMapName());
for (int k = 0; k < numIterations; k++) {
String key = "set_" + String.valueOf(k);
String value = "merhaba-" + key;
// test
String value0 = map.get(key); // this brings the NULL_OBJECT into the NearCache
map.set(key, value);
String value2 = map.get(key); // here we _might_ still see the NULL_OBJECT
// assert
assertNull(value0);
assertEquals(value, value2);
}
}
@Test
public void testReplace() {
final IMap<String, String> map = hcInstance.getMap(getMapName());
for (int k = 0; k < numIterations; k++) {
String key = "replace_" + String.valueOf(k);
String value = "merhaba-" + key;
String valueNew = "merhaba-new" + key;
// test
map.put(key, value);
String value0 = map.get(key); // this brings the NULL_OBJECT into the NearCache
map.replace(key, valueNew);
String value2 = map.get(key); // here we _might_ still see the NULL_OBJECT
// assert
assertNotNull(value0);
assertEquals(valueNew, value2);
}
}
@Test
public void testExecuteOnKey() {
final IMap<String, String> map = hcInstance.getMap(getMapName());
// loop over several keys to make sure we have keys on both instances
for (int k = 0; k < numIterations; k++) {
String key = "executeOnKey_" + String.valueOf(k);
// bring null local cache.
final String expectedNull = map.get(key);
assertNull(expectedNull);
final Object o = map.executeOnKey(key, new WritingEntryProcessor());
final String newValue = (String) o;
String value2 = map.get(key);
assertEquals(newValue, value2);
}
}
@Test
public void testExecuteOnKeys() {
final IMap<String, String> map = hcInstance.getMap(getMapName());
// loop over several keys to make sure we have keys on both instances
for (int k = 0; k < numIterations; k++) {
String key = "executeOnKeys_" + String.valueOf(k);
// bring null to local cache.
final String expectedNull = map.get(key);
assertNull(expectedNull);
final HashSet<String> keys = new HashSet<String>();
keys.add(key);
final Object o = map.executeOnKeys(keys, new WritingEntryProcessor());
final Map<String, String> result = (Map) o;
for (Map.Entry<String, String> e : result.entrySet()) {
final String newValue = e.getValue();
final String cachedValue = map.get(e.getKey());
assertEquals(newValue, cachedValue);
}
}
}
/**
* 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";
}
}
private static String getMapName(){
return randomMapName(mapName);
}
}