| /* |
| * Copyright 2018-present Open Networking Foundation |
| * |
| * 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.store.atomix.primitives.impl; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.Executor; |
| import java.util.function.Function; |
| |
| import com.google.common.collect.Maps; |
| import com.google.common.collect.Multiset; |
| import io.atomix.core.map.impl.TranscodingAsyncDistributedMap; |
| import org.onosproject.store.service.AsyncConsistentMultimap; |
| import org.onosproject.store.service.AsyncIterator; |
| import org.onosproject.store.service.MultimapEvent; |
| import org.onosproject.store.service.MultimapEventListener; |
| import org.onosproject.store.service.Versioned; |
| |
| /** |
| * Atomix consistent map. |
| */ |
| public class AtomixConsistentMultimap<K, V> implements AsyncConsistentMultimap<K, V> { |
| private final io.atomix.core.multimap.AsyncAtomicMultimap<K, V> atomixMultimap; |
| private final Map<MultimapEventListener<K, V>, io.atomix.core.multimap.AtomicMultimapEventListener<K, V>> |
| listenerMap = Maps.newIdentityHashMap(); |
| |
| public AtomixConsistentMultimap(io.atomix.core.multimap.AsyncAtomicMultimap<K, V> atomixMultimap) { |
| this.atomixMultimap = atomixMultimap; |
| } |
| |
| @Override |
| public String name() { |
| return atomixMultimap.name(); |
| } |
| |
| @Override |
| public CompletableFuture<Integer> size() { |
| return atomixMultimap.size(); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> containsKey(K key) { |
| return atomixMultimap.containsKey(key); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> containsValue(V value) { |
| return atomixMultimap.containsValue(value); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> isEmpty() { |
| return atomixMultimap.isEmpty(); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> containsEntry(K key, V value) { |
| return atomixMultimap.containsEntry(key, value); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> put(K key, V value) { |
| return atomixMultimap.put(key, value); |
| } |
| |
| @Override |
| public CompletableFuture<Versioned<Collection<? extends V>>> putAndGet(K key, V value) { |
| return atomixMultimap.put(key, value).thenCompose(v -> atomixMultimap.get(key)).thenApply(this::toVersioned); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> remove(K key, V value) { |
| return atomixMultimap.remove(key, value); |
| } |
| |
| @Override |
| public CompletableFuture<Versioned<Collection<? extends V>>> removeAndGet(K key, V value) { |
| return atomixMultimap.remove(key, value).thenCompose(v -> atomixMultimap.get(key)).thenApply(this::toVersioned); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> removeAll(K key, Collection<? extends V> values) { |
| return atomixMultimap.removeAll(key, values); |
| } |
| |
| @Override |
| public CompletableFuture<Versioned<Collection<? extends V>>> removeAll(K key) { |
| return atomixMultimap.removeAll(key).thenApply(this::toVersioned); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> putAll(K key, Collection<? extends V> values) { |
| return atomixMultimap.putAll(key, values); |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public CompletableFuture<Versioned<Collection<? extends V>>> replaceValues(K key, Collection<V> values) { |
| return atomixMultimap.replaceValues(key, values).thenApply(this::toVersioned); |
| } |
| |
| @Override |
| public CompletableFuture<Void> clear() { |
| return atomixMultimap.clear(); |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public CompletableFuture<Versioned<Collection<? extends V>>> get(K key) { |
| return atomixMultimap.get(key).thenApply(this::toVersioned); |
| } |
| |
| @Override |
| public CompletableFuture<Set<K>> keySet() { |
| return CompletableFuture.completedFuture(atomixMultimap.keySet().sync()); |
| } |
| |
| @Override |
| public CompletableFuture<Multiset<K>> keys() { |
| return CompletableFuture.completedFuture(atomixMultimap.keys().sync()); |
| } |
| |
| @Override |
| public CompletableFuture<Multiset<V>> values() { |
| return CompletableFuture.completedFuture(atomixMultimap.values().sync()); |
| } |
| |
| @Override |
| public CompletableFuture<Collection<Map.Entry<K, V>>> entries() { |
| return CompletableFuture.completedFuture(atomixMultimap.entries().sync()); |
| } |
| |
| @Override |
| public CompletableFuture<AsyncIterator<Map.Entry<K, V>>> iterator() { |
| return CompletableFuture.completedFuture(new AtomixIterator<>(atomixMultimap.entries().iterator())); |
| } |
| |
| @Override |
| public CompletableFuture<Map<K, Collection<V>>> asMap() { |
| return CompletableFuture.completedFuture( |
| new TranscodingAsyncDistributedMap<K, Collection<V>, K, io.atomix.utils.time.Versioned<Collection<V>>>( |
| atomixMultimap.asMap(), |
| Function.identity(), |
| Function.identity(), |
| v -> new io.atomix.utils.time.Versioned<>(v, 0), |
| v -> v.value()).sync()); |
| } |
| |
| @Override |
| public synchronized CompletableFuture<Void> addListener(MultimapEventListener<K, V> listener, Executor executor) { |
| io.atomix.core.multimap.AtomicMultimapEventListener<K, V> atomixListener = event -> |
| listener.event(new MultimapEvent<K, V>( |
| name(), |
| event.key(), |
| event.newValue(), |
| event.oldValue())); |
| listenerMap.put(listener, atomixListener); |
| return atomixMultimap.addListener(atomixListener, executor); |
| } |
| |
| @Override |
| public CompletableFuture<Void> removeListener(MultimapEventListener<K, V> listener) { |
| io.atomix.core.multimap.AtomicMultimapEventListener<K, V> atomixListener = listenerMap.remove(listener); |
| if (atomixListener != null) { |
| return atomixMultimap.removeListener(atomixListener); |
| } |
| return CompletableFuture.completedFuture(null); |
| } |
| |
| private Versioned<Collection<? extends V>> toVersioned( |
| io.atomix.utils.time.Versioned<Collection<V>> versioned) { |
| return versioned != null |
| ? new Versioned<>(versioned.value(), versioned.version(), versioned.creationTime()) |
| : null; |
| } |
| } |