Mahesh Poojary S
Committed by Mahesh Poojary Huawei

[ONOS-3163] Test wrapper on VtnEventuallyConsistentMap

Change-Id: Idb61208fb128ee30d04ea967daf190fbf4d88497
/*
* Copyright 2015 Open Networking Laboratory
*
* 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 org.onosproject.vtnrsc.util;
import java.util.Collection;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.function.BiFunction;
import org.onlab.util.KryoNamespace;
import org.onosproject.cluster.NodeId;
import org.onosproject.store.Timestamp;
import static org.onosproject.store.service.EventuallyConsistentMapEvent.Type.*;
import org.onosproject.store.service.EventuallyConsistentMapListener;
import org.onosproject.store.service.EventuallyConsistentMapEvent;
import org.onosproject.store.service.EventuallyConsistentMapBuilder;
import org.onosproject.store.service.EventuallyConsistentMap;
/**
* Testing version of an Eventually Consistent Map.
*/
public final class VtnEventuallyConsistentMapTest<K, V> extends VtnEventuallyConsistentMapAdapter<K, V> {
private final HashMap<K, V> map;
private final String mapName;
private final List<EventuallyConsistentMapListener<K, V>> listeners;
private final BiFunction<K, V, Collection<NodeId>> peerUpdateFunction;
private VtnEventuallyConsistentMapTest(String mapName,
BiFunction<K, V, Collection<NodeId>> peerUpdateFunction) {
map = new HashMap<>();
listeners = new LinkedList<>();
this.mapName = mapName;
this.peerUpdateFunction = peerUpdateFunction;
}
/**
* Notify all listeners of an event.
*/
private void notifyListeners(EventuallyConsistentMapEvent<K, V> event) {
listeners.forEach(
listener -> listener.event(event)
);
}
@Override
public int size() {
return map.size();
}
@Override
public boolean isEmpty() {
return map.isEmpty();
}
@Override
public boolean containsKey(K key) {
return map.containsKey(key);
}
@Override
public boolean containsValue(V value) {
return map.containsValue(value);
}
@Override
public V get(K key) {
return map.get(key);
}
@Override
public void put(K key, V value) {
map.put(key, value);
EventuallyConsistentMapEvent<K, V> addEvent =
new EventuallyConsistentMapEvent<>(mapName, PUT, key, value);
notifyListeners(addEvent);
if (peerUpdateFunction != null) {
peerUpdateFunction.apply(key, value);
}
}
@Override
public V remove(K key) {
V result = map.remove(key);
if (result != null) {
EventuallyConsistentMapEvent<K, V> removeEvent =
new EventuallyConsistentMapEvent<>(mapName, REMOVE,
key, map.get(key));
notifyListeners(removeEvent);
}
return result;
}
@Override
public void remove(K key, V value) {
boolean removed = map.remove(key, value);
if (removed) {
EventuallyConsistentMapEvent<K, V> removeEvent =
new EventuallyConsistentMapEvent<>(mapName, REMOVE, key, value);
notifyListeners(removeEvent);
}
}
@Override
public V compute(K key, BiFunction<K, V, V> recomputeFunction) {
return map.compute(key, recomputeFunction);
}
@Override
public void putAll(Map<? extends K, ? extends V> m) {
map.putAll(m);
}
@Override
public void clear() {
map.clear();
}
@Override
public Set<K> keySet() {
return map.keySet();
}
@Override
public Collection<V> values() {
return map.values();
}
@Override
public Set<Map.Entry<K, V>> entrySet() {
return map.entrySet();
}
public static <K, V> Builder<K, V> builder() {
return new Builder<>();
}
@Override
public void addListener(EventuallyConsistentMapListener<K, V> listener) {
listeners.add(listener);
}
@Override
public void removeListener(EventuallyConsistentMapListener<K, V> listener) {
listeners.remove(listener);
}
public static class Builder<K, V> implements EventuallyConsistentMapBuilder<K, V> {
private String name;
private BiFunction<K, V, Collection<NodeId>> peerUpdateFunction;
@Override
public EventuallyConsistentMapBuilder<K, V> withName(String name) {
this.name = name;
return this;
}
@Override
public EventuallyConsistentMapBuilder<K, V> withSerializer(KryoNamespace.Builder serializerBuilder) {
return this;
}
@Override
public EventuallyConsistentMapBuilder<K, V>
withTimestampProvider(BiFunction<K, V, Timestamp> timestampProvider) {
return this;
}
@Override
public EventuallyConsistentMapBuilder<K, V> withEventExecutor(ExecutorService executor) {
return this;
}
@Override
public EventuallyConsistentMapBuilder<K, V> withCommunicationExecutor(ExecutorService executor) {
return this;
}
@Override
public EventuallyConsistentMapBuilder<K, V> withBackgroundExecutor(ScheduledExecutorService executor) {
return this;
}
@Override
public EventuallyConsistentMapBuilder<K, V>
withPeerUpdateFunction(BiFunction<K, V, Collection<NodeId>> peerUpdateFunction) {
this.peerUpdateFunction = peerUpdateFunction;
return this;
}
@Override
public EventuallyConsistentMapBuilder<K, V> withTombstonesDisabled() {
return this;
}
@Override
public EventuallyConsistentMapBuilder<K, V> withAntiEntropyPeriod(long period, TimeUnit unit) {
return this;
}
@Override
public EventuallyConsistentMapBuilder<K, V> withFasterConvergence() {
return this;
}
@Override
public EventuallyConsistentMapBuilder<K, V> withPersistence() {
return this;
}
@Override
public EventuallyConsistentMap<K, V> build() {
if (name == null) {
name = "test";
}
return new VtnEventuallyConsistentMapTest<>(name, peerUpdateFunction);
}
}
}