/*
* 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;
import com.hazelcast.config.Config;
import com.hazelcast.config.MapStoreConfig;
import com.hazelcast.core.EntryEvent;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IMap;
import com.hazelcast.core.MapLoader;
import com.hazelcast.map.listener.EntryAddedListener;
import com.hazelcast.test.AssertTask;
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.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.io.Serializable;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.atomic.AtomicReference;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class InterceptorTest extends HazelcastTestSupport {
@Test
public void testMapInterceptor() throws InterruptedException {
TestHazelcastInstanceFactory nodeFactory = createHazelcastInstanceFactory(2);
Config config = getConfig();
HazelcastInstance instance1 = nodeFactory.newHazelcastInstance(config);
HazelcastInstance instance2 = nodeFactory.newHazelcastInstance(config);
final IMap<Object, Object> map = instance1.getMap("testMapInterceptor");
SimpleInterceptor interceptor = new SimpleInterceptor();
String id = map.addInterceptor(interceptor);
map.put(1, "New York");
map.put(2, "Istanbul");
map.put(3, "Tokyo");
map.put(4, "London");
map.put(5, "Paris");
map.put(6, "Cairo");
map.put(7, "Hong Kong");
try {
map.remove(1);
} catch (Exception ignore) {
}
try {
map.remove(2);
} catch (Exception ignore) {
}
assertEquals(6, map.size());
assertNull(map.get(1));
assertEquals(map.get(2), "ISTANBUL:");
assertEquals(map.get(3), "TOKYO:");
assertEquals(map.get(4), "LONDON:");
assertEquals(map.get(5), "PARIS:");
assertEquals(map.get(6), "CAIRO:");
assertEquals(map.get(7), "HONG KONG:");
map.removeInterceptor(id);
map.put(8, "Moscow");
assertNull(map.get(1));
assertEquals(map.get(2), "ISTANBUL");
assertEquals(map.get(3), "TOKYO");
assertEquals(map.get(4), "LONDON");
assertEquals(map.get(5), "PARIS");
assertEquals(map.get(6), "CAIRO");
assertEquals(map.get(7), "HONG KONG");
assertEquals(map.get(8), "Moscow");
}
@Test
public void testMapInterceptorOnNewMember() throws InterruptedException {
TestHazelcastInstanceFactory nodeFactory = createHazelcastInstanceFactory(2);
Config config = getConfig();
HazelcastInstance instance1 = nodeFactory.newHazelcastInstance(config);
IMap<Integer, Object> map = instance1.getMap("map");
for (int i = 0; i < 100; i++) {
map.put(i, i);
}
map.addInterceptor(new NegativeInterceptor());
for (int i = 0; i < 100; i++) {
assertEquals(i * -1, map.get(i));
}
HazelcastInstance instance2 = nodeFactory.newHazelcastInstance(config);
for (int i = 0; i < 100; i++) {
assertEquals(i * -1, map.get(i));
}
}
@Test
public void testGetAll_withGetInterceptor() throws InterruptedException {
HazelcastInstance instance1 = createHazelcastInstance(getConfig());
IMap<Integer, String> map = instance1.getMap(randomString());
map.addInterceptor(new SimpleInterceptor());
Set<Integer> set = new HashSet<Integer>();
for (int i = 0; i < 100; i++) {
map.put(i, String.valueOf(i));
set.add(i);
}
Map<Integer, String> allValues = map.getAll(set);
for (int i = 0; i < 100; i++) {
assertEquals(String.valueOf(i) + ":", allValues.get(i));
}
}
@Test
public void testPutEvent_withInterceptor() {
HazelcastInstance instance1 = createHazelcastInstance(getConfig());
IMap<Integer, String> map = instance1.getMap(randomString());
map.addInterceptor(new SimpleInterceptor());
final EntryAddedLatch listener = new EntryAddedLatch();
map.addEntryListener(listener, true);
final String value = "foo";
map.put(1, value);
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertEquals(value.toUpperCase(), listener.value.get());
}
}, 15);
}
@Test
public void testPutEvent_withInterceptor_withEntryProcessor_multipleKeys() {
HazelcastInstance instance1 = createHazelcastInstance(getConfig());
IMap<Integer, String> map = instance1.getMap(randomString());
map.addInterceptor(new SimpleInterceptor());
final EntryAddedLatch listener = new EntryAddedLatch();
map.addEntryListener(listener, true);
final String value = "foo";
Set<Integer> keys = new HashSet<Integer>();
keys.add(1);
map.executeOnKeys(keys, new EntryPutProcessor("foo"));
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertEquals(value.toUpperCase(), listener.value.get());
}
}, 15);
}
@Test
public void testPutEvent_withInterceptor_withEntryProcessor() {
HazelcastInstance instance1 = createHazelcastInstance(getConfig());
IMap<Integer, String> map = instance1.getMap(randomString());
map.addInterceptor(new SimpleInterceptor());
final EntryAddedLatch listener = new EntryAddedLatch();
map.addEntryListener(listener, true);
final String value = "foo";
map.executeOnKey(1, new EntryPutProcessor("foo"));
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertEquals(value.toUpperCase(), listener.value.get());
}
}, 15);
}
@Test
public void testPutEvent_withInterceptor_withLoadAll() {
String name = randomString();
Config config = getConfig();
MapStoreConfig mapStoreConfig = new MapStoreConfig();
mapStoreConfig.setEnabled(true).setImplementation(new DummyLoader());
config.getMapConfig(name).setMapStoreConfig(mapStoreConfig);
HazelcastInstance instance1 = createHazelcastInstance(config);
IMap<Integer, String> map = instance1.getMap(name);
map.addInterceptor(new SimpleInterceptor());
final EntryAddedLatch listener = new EntryAddedLatch();
map.addEntryListener(listener, true);
Set<Integer> keys = new HashSet<Integer>();
keys.add(1);
map.loadAll(keys, false);
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertEquals("FOO-1", listener.value.get());
}
}, 15);
}
static class DummyLoader implements MapLoader<Integer, String> {
@Override
public String load(Integer key) {
return "foo-" + key;
}
@Override
public Map<Integer, String> loadAll(Collection<Integer> keys) {
Map<Integer, String> map = new HashMap<Integer, String>(keys.size());
for (Integer key : keys) {
map.put(key, load(key));
}
return map;
}
@Override
public Iterable<Integer> loadAllKeys() {
return null;
}
}
static class EntryPutProcessor extends AbstractEntryProcessor<Integer, String> {
String value;
public EntryPutProcessor() {
}
EntryPutProcessor(String value) {
this.value = value;
}
@Override
public Object process(Map.Entry<Integer, String> entry) {
return entry.setValue(value);
}
}
static class EntryAddedLatch implements EntryAddedListener<Integer, String> {
AtomicReference<String> value = new AtomicReference<String>();
@Override
public void entryAdded(EntryEvent<Integer, String> event) {
value.compareAndSet(null, event.getValue());
}
}
public static class SimpleInterceptor implements MapInterceptor, Serializable {
@Override
public Object interceptGet(Object value) {
if (value == null) {
return null;
}
return value + ":";
}
@Override
public void afterGet(Object value) {
}
@Override
public Object interceptPut(Object oldValue, Object newValue) {
return newValue.toString().toUpperCase();
}
@Override
public void afterPut(Object value) {
}
@Override
public Object interceptRemove(Object removedValue) {
if (removedValue.equals("ISTANBUL")) {
throw new RuntimeException("you can not remove this");
}
return removedValue;
}
@Override
public void afterRemove(Object value) {
}
}
static class NegativeInterceptor implements MapInterceptor, Serializable {
@Override
public Object interceptGet(Object value) {
return ((Integer) value) * -1;
}
@Override
public void afterGet(Object value) {
}
@Override
public Object interceptPut(Object oldValue, Object newValue) {
return newValue;
}
@Override
public void afterPut(Object value) {
}
@Override
public Object interceptRemove(Object removedValue) {
return removedValue;
}
@Override
public void afterRemove(Object value) {
}
}
}