/*
* 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.core.EntryEvent;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IMap;
import com.hazelcast.map.listener.EntryAddedListener;
import com.hazelcast.map.listener.EntryRemovedListener;
import com.hazelcast.map.listener.EntryUpdatedListener;
import com.hazelcast.map.listener.MapListener;
import com.hazelcast.query.Predicate;
import com.hazelcast.query.SqlPredicate;
import com.hazelcast.test.HazelcastTestSupport;
import org.junit.Test;
import java.io.Serializable;
import java.util.Arrays;
import java.util.Collection;
import java.util.concurrent.Callable;
import java.util.concurrent.atomic.AtomicInteger;
import static org.junit.runners.Parameterized.Parameter;
import static org.junit.runners.Parameterized.Parameters;
/**
* Common superclass to test types of events published with different filtering strategies (default & query cache natural event
* types)
*/
public abstract class AbstractEntryEventTypesTest extends HazelcastTestSupport {
@Parameters(name = "includeValues: {0}")
public static Collection<Object[]> data() {
return Arrays.asList(new Object[][]{
{true}, {false}
});
}
@Parameter
public boolean includeValue;
@SuppressWarnings("unchecked")
final Predicate<Integer, Person> predicate = new SqlPredicate("age > 50");
final AtomicInteger eventCounter = new AtomicInteger();
HazelcastInstance instance;
IMap<Integer, Person> map;
// behavior varies between default & query-cache filtering strategies, so individual tests should implement these methods
abstract MapListener mapListenerFor_entryUpdatedEvent_whenOldValueOutside_newValueMatchesPredicate();
abstract MapListener mapListenerFor_entryUpdatedEvent_whenOldValueMatches_newValueOutsidePredicate();
abstract Integer expectedCountFor_entryUpdatedEvent_whenOldValueMatches_newValueOutsidePredicate();
public static class CountEntryAddedListener implements EntryAddedListener<Integer, Person> {
private final AtomicInteger counter;
CountEntryAddedListener(AtomicInteger counter) {
this.counter = counter;
}
@Override
public void entryAdded(EntryEvent<Integer, Person> event) {
counter.incrementAndGet();
}
}
public static class CountEntryRemovedListener implements EntryRemovedListener<Integer, Person> {
private final AtomicInteger counter;
CountEntryRemovedListener(AtomicInteger counter) {
this.counter = counter;
}
@Override
public void entryRemoved(EntryEvent<Integer, Person> event) {
counter.incrementAndGet();
}
}
public static class CountEntryUpdatedListener implements EntryUpdatedListener<Integer, Person> {
private final AtomicInteger counter;
CountEntryUpdatedListener(AtomicInteger counter) {
this.counter = counter;
}
@Override
public void entryUpdated(EntryEvent<Integer, Person> event) {
counter.incrementAndGet();
}
}
public static class Person implements Serializable {
String name;
int age;
public Person() {
}
public Person(String name, int age) {
this.name = name;
this.age = age;
}
}
@Test
public void entryAddedEvent_whenNoPredicateConfigured() {
map.addEntryListener(new CountEntryAddedListener(eventCounter), includeValue);
map.put(1, new Person("a", 40));
assertEqualsEventually(new Callable<Integer>() {
@Override
public Integer call()
throws Exception {
return eventCounter.get();
}
}, 1);
}
@Test
public void entryAddedEvent_whenValueMatchesPredicate() {
map.addEntryListener(new CountEntryAddedListener(eventCounter), predicate, includeValue);
map.put(1, new Person("a", 75));
assertEqualsEventually(new Callable<Integer>() {
@Override
public Integer call()
throws Exception {
return eventCounter.get();
}
}, 1);
}
@Test
public void entryAddedEvent_whenValueOutsidePredicate() {
map.addEntryListener(new CountEntryAddedListener(eventCounter), predicate, includeValue);
map.put(1, new Person("a", 35));
assertEqualsEventually(new Callable<Integer>() {
@Override
public Integer call()
throws Exception {
return eventCounter.get();
}
}, 0);
}
@Test
public void entryRemovedEvent_whenNoPredicateConfigured() {
map.addEntryListener(new CountEntryRemovedListener(eventCounter), includeValue);
map.put(1, new Person("a", 40));
map.remove(1);
assertEqualsEventually(new Callable<Integer>() {
@Override
public Integer call()
throws Exception {
return eventCounter.get();
}
}, 1);
}
@Test
public void entryRemovedEvent_whenValueMatchesPredicate() {
map.addEntryListener(new CountEntryRemovedListener(eventCounter), predicate, includeValue);
map.put(1, new Person("a", 55));
map.remove(1);
assertEqualsEventually(new Callable<Integer>() {
@Override
public Integer call()
throws Exception {
return eventCounter.get();
}
}, 1);
}
@Test
public void entryRemovedEvent_whenValueOutsidePredicate() {
map.addEntryListener(new CountEntryRemovedListener(eventCounter), predicate, includeValue);
map.put(1, new Person("a", 35));
map.remove(1);
assertEqualsEventually(new Callable<Integer>() {
@Override
public Integer call()
throws Exception {
return eventCounter.get();
}
}, 0);
}
@Test
public void entryUpdatedEvent_whenNoPredicateConfigured() {
map.addEntryListener(new CountEntryUpdatedListener(eventCounter), includeValue);
map.put(1, new Person("a", 30));
map.put(1, new Person("a", 60));
assertEqualsEventually(new Callable<Integer>() {
@Override
public Integer call()
throws Exception {
return eventCounter.get();
}
}, 1);
}
@Test
public void entryUpdatedEvent_whenOldValueOutside_newValueMatchesPredicate() {
map.addEntryListener(mapListenerFor_entryUpdatedEvent_whenOldValueOutside_newValueMatchesPredicate(),
predicate, includeValue);
map.put(1, new Person("a", 30));
map.put(1, new Person("a", 60));
assertEqualsEventually(new Callable<Integer>() {
@Override
public Integer call()
throws Exception {
return eventCounter.get();
}
}, 1);
}
@Test
public void entryUpdatedEvent_whenOldValueOutside_newValueOutsidePredicate() {
map.addEntryListener(new CountEntryUpdatedListener(eventCounter), predicate, includeValue);
map.put(1, new Person("a", 30));
map.put(1, new Person("a", 20));
assertEqualsEventually(new Callable<Integer>() {
@Override
public Integer call()
throws Exception {
return eventCounter.get();
}
}, 0);
}
@Test
public void entryUpdatedEvent_whenOldValueMatches_newValueMatchesPredicate() {
map.addEntryListener(new CountEntryUpdatedListener(eventCounter), predicate, includeValue);
map.put(1, new Person("a", 59));
map.put(1, new Person("a", 60));
assertEqualsEventually(new Callable<Integer>() {
@Override
public Integer call()
throws Exception {
return eventCounter.get();
}
}, 1);
}
@Test
public void entryUpdatedEvent_whenOldValueMatches_newValueOutsidePredicate() {
map.addEntryListener(mapListenerFor_entryUpdatedEvent_whenOldValueMatches_newValueOutsidePredicate(),
predicate, includeValue);
map.put(1, new Person("a", 59));
map.put(1, new Person("a", 30));
assertEqualsEventually(new Callable<Integer>() {
@Override
public Integer call()
throws Exception {
return eventCounter.get();
}
}, expectedCountFor_entryUpdatedEvent_whenOldValueMatches_newValueOutsidePredicate());
}
}