/*
* Copyright (c) 2008-2013, 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.core.EntryAdapter;
import com.hazelcast.core.EntryEvent;
import com.hazelcast.core.EntryListener;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IMap;
import com.hazelcast.core.MapEvent;
import com.hazelcast.query.Predicate;
import com.hazelcast.query.SqlPredicate;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.TestHazelcastInstanceFactory;
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.Map;
import java.util.concurrent.atomic.AtomicInteger;
import static org.junit.Assert.assertEquals;
@RunWith(HazelcastParallelClassRunner.class)
@Category(QuickTest.class)
public class QueryListenerTest extends HazelcastTestSupport {
@Test
public void testMapQueryListener() throws InterruptedException {
TestHazelcastInstanceFactory nodeFactory = createHazelcastInstanceFactory(3);
Config cfg = new Config();
HazelcastInstance instance1 = nodeFactory.newHazelcastInstance(cfg);
HazelcastInstance instance2 = nodeFactory.newHazelcastInstance(cfg);
HazelcastInstance instance3 = nodeFactory.newHazelcastInstance(cfg);
final IMap<Object, Object> map = instance1.getMap("testMapQueryListener");
final Object[] addedKey = new Object[1];
final Object[] addedValue = new Object[1];
final Object[] updatedKey = new Object[1];
final Object[] oldValue = new Object[1];
final Object[] newValue = new Object[1];
final Object[] removedKey = new Object[1];
final Object[] removedValue = new Object[1];
EntryListener<Object, Object> listener = new EntryListener<Object, Object>() {
public void entryAdded(EntryEvent<Object, Object> event) {
addedKey[0] = event.getKey();
addedValue[0] = event.getValue();
}
public void entryRemoved(EntryEvent<Object, Object> event) {
removedKey[0] = event.getKey();
removedValue[0] = event.getOldValue();
}
public void entryUpdated(EntryEvent<Object, Object> event) {
updatedKey[0] = event.getKey();
oldValue[0] = event.getOldValue();
newValue[0] = event.getValue();
}
public void entryEvicted(EntryEvent<Object, Object> event) {
}
@Override
public void mapEvicted(MapEvent event) {
}
@Override
public void mapCleared(MapEvent event) {
}
};
map.addEntryListener(listener, new StartsWithPredicate("a"), null, true);
map.put("key1", "abc");
map.put("key2", "bcd");
map.put("key2", "axyz");
map.remove("key1");
Thread.sleep(1000);
assertEquals(addedKey[0], "key1");
assertEquals(addedValue[0], "abc");
assertEquals(updatedKey[0], "key2");
assertEquals(oldValue[0], "bcd");
assertEquals(newValue[0], "axyz");
assertEquals(removedKey[0], "key1");
assertEquals(removedValue[0], "abc");
}
static class StartsWithPredicate implements Predicate<Object, Object>, Serializable {
String pref;
StartsWithPredicate(String pref) {
this.pref = pref;
}
public boolean apply(Map.Entry<Object, Object> mapEntry) {
String val = (String) mapEntry.getValue();
if (val == null)
return false;
if (val.startsWith(pref))
return true;
return false;
}
}
@Test
public void testMapQueryListener2() throws InterruptedException {
TestHazelcastInstanceFactory nodeFactory = createHazelcastInstanceFactory(3);
Config cfg = new Config();
HazelcastInstance instance1 = nodeFactory.newHazelcastInstance(cfg);
HazelcastInstance instance2 = nodeFactory.newHazelcastInstance(cfg);
HazelcastInstance instance3 = nodeFactory.newHazelcastInstance(cfg);
final IMap<Object, Object> map = instance1.getMap("testMapQueryListener2");
final AtomicInteger addCount = new AtomicInteger(0);
EntryListener<Object, Object> listener = new EntryAdapter<Object, Object>() {
public void entryAdded(EntryEvent<Object, Object> event) {
addCount.incrementAndGet();
}
};
Predicate predicate = new SqlPredicate("age >= 50");
map.addEntryListener(listener, predicate, null, false);
int size = 100;
for (int i = 0; i < size; i++) {
Person person = new Person("name", i);
map.put(i, person);
}
Thread.sleep(1000);
assertEquals(50, addCount.get());
}
static class Person implements Serializable {
String name;
int age;
Person() {
}
Person(String name, int age) {
this.name = name;
this.age = age;
}
}
}