Jordan Halterman | 00e92da | 2018-05-22 23:05:52 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Thomas Vachuska | b6d3167 | 2018-07-27 17:03:46 -0700 | [diff] [blame^] | 16 | package org.onosproject.store.atomix.primitives.impl; |
Jordan Halterman | 00e92da | 2018-05-22 23:05:52 -0700 | [diff] [blame] | 17 | |
| 18 | import java.util.Collection; |
| 19 | import java.util.Map; |
| 20 | import java.util.Set; |
| 21 | import java.util.concurrent.CompletableFuture; |
| 22 | import java.util.stream.Collectors; |
| 23 | |
| 24 | import com.google.common.collect.Maps; |
| 25 | import org.onosproject.store.service.AsyncDistributedSet; |
| 26 | import org.onosproject.store.service.SetEvent; |
| 27 | import org.onosproject.store.service.SetEventListener; |
| 28 | |
| 29 | /** |
| 30 | * Atomix distributed set. |
| 31 | */ |
| 32 | public class AtomixDistributedSet<E> implements AsyncDistributedSet<E> { |
| 33 | private final io.atomix.core.set.AsyncDistributedSet<E> atomixSet; |
| 34 | private final Map<SetEventListener<E>, io.atomix.core.collection.CollectionEventListener<E>> listenerMap = |
| 35 | Maps.newIdentityHashMap(); |
| 36 | |
| 37 | public AtomixDistributedSet(io.atomix.core.set.AsyncDistributedSet<E> atomixSet) { |
| 38 | this.atomixSet = atomixSet; |
| 39 | } |
| 40 | |
| 41 | @Override |
| 42 | public String name() { |
| 43 | return atomixSet.name(); |
| 44 | } |
| 45 | |
| 46 | @Override |
| 47 | public CompletableFuture<Integer> size() { |
| 48 | return atomixSet.size(); |
| 49 | } |
| 50 | |
| 51 | @Override |
| 52 | public CompletableFuture<Boolean> add(E element) { |
| 53 | return atomixSet.add(element); |
| 54 | } |
| 55 | |
| 56 | @Override |
| 57 | public CompletableFuture<Boolean> remove(E element) { |
| 58 | return atomixSet.remove(element); |
| 59 | } |
| 60 | |
| 61 | @Override |
| 62 | public CompletableFuture<Boolean> isEmpty() { |
| 63 | return atomixSet.isEmpty(); |
| 64 | } |
| 65 | |
| 66 | @Override |
| 67 | public CompletableFuture<Void> clear() { |
| 68 | return atomixSet.clear(); |
| 69 | } |
| 70 | |
| 71 | @Override |
| 72 | public CompletableFuture<Boolean> contains(E element) { |
| 73 | return atomixSet.contains(element); |
| 74 | } |
| 75 | |
| 76 | @Override |
| 77 | public CompletableFuture<Boolean> addAll(Collection<? extends E> c) { |
| 78 | return atomixSet.addAll(c); |
| 79 | } |
| 80 | |
| 81 | @Override |
| 82 | public CompletableFuture<Boolean> containsAll(Collection<? extends E> c) { |
| 83 | return atomixSet.containsAll(c); |
| 84 | } |
| 85 | |
| 86 | @Override |
| 87 | public CompletableFuture<Boolean> retainAll(Collection<? extends E> c) { |
| 88 | return atomixSet.retainAll(c); |
| 89 | } |
| 90 | |
| 91 | @Override |
| 92 | public CompletableFuture<Boolean> removeAll(Collection<? extends E> c) { |
| 93 | return atomixSet.removeAll(c); |
| 94 | } |
| 95 | |
| 96 | @Override |
| 97 | public CompletableFuture<? extends Set<E>> getAsImmutableSet() { |
| 98 | return CompletableFuture.completedFuture(atomixSet.stream().collect(Collectors.toSet())); |
| 99 | } |
| 100 | |
| 101 | @Override |
| 102 | public synchronized CompletableFuture<Void> addListener(SetEventListener<E> listener) { |
| 103 | io.atomix.core.collection.CollectionEventListener<E> atomixListener = event -> |
| 104 | listener.event(new SetEvent<E>( |
| 105 | name(), |
| 106 | SetEvent.Type.valueOf(event.type().name()), |
| 107 | event.element())); |
| 108 | listenerMap.put(listener, atomixListener); |
| 109 | return atomixSet.addListener(atomixListener); |
| 110 | } |
| 111 | |
| 112 | @Override |
| 113 | public CompletableFuture<Void> removeListener(SetEventListener<E> listener) { |
| 114 | io.atomix.core.collection.CollectionEventListener<E> atomixListener = listenerMap.remove(listener); |
| 115 | if (atomixListener != null) { |
| 116 | return atomixSet.removeListener(atomixListener); |
| 117 | } |
| 118 | return CompletableFuture.completedFuture(null); |
| 119 | } |
| 120 | } |