Yi Tseng | da70796 | 2020-09-18 11:10:47 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2020-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 | */ |
| 16 | package org.onosproject.store.service; |
| 17 | |
| 18 | import java.util.concurrent.CompletableFuture; |
| 19 | import java.util.concurrent.atomic.AtomicReference; |
| 20 | |
| 21 | public class TestAtomicValue<V> implements AsyncAtomicValue<V> { |
| 22 | |
| 23 | private AtomicReference<V> ref; |
| 24 | private String name; |
| 25 | |
| 26 | TestAtomicValue(String name) { |
| 27 | ref = new AtomicReference<>(); |
| 28 | this.name = name; |
| 29 | } |
| 30 | |
| 31 | @Override |
| 32 | public CompletableFuture<Boolean> compareAndSet(V expect, V update) { |
| 33 | return CompletableFuture.completedFuture(ref.compareAndSet(expect, update)); |
| 34 | } |
| 35 | |
| 36 | @Override |
| 37 | public CompletableFuture<V> get() { |
| 38 | return CompletableFuture.completedFuture(ref.get()); |
| 39 | } |
| 40 | |
| 41 | @Override |
| 42 | public CompletableFuture<V> getAndSet(V value) { |
| 43 | return CompletableFuture.completedFuture(ref.getAndSet(value)); |
| 44 | } |
| 45 | |
| 46 | @Override |
| 47 | public CompletableFuture<Void> set(V value) { |
| 48 | ref.set(value); |
| 49 | return CompletableFuture.completedFuture(null); |
| 50 | } |
| 51 | |
| 52 | @Override |
| 53 | public CompletableFuture<Void> addListener(AtomicValueEventListener<V> listener) { |
| 54 | // Unimplemented |
| 55 | return CompletableFuture.completedFuture(null); |
| 56 | } |
| 57 | |
| 58 | @Override |
| 59 | public CompletableFuture<Void> removeListener(AtomicValueEventListener<V> listener) { |
| 60 | // Unimplemented |
| 61 | return CompletableFuture.completedFuture(null); |
| 62 | } |
| 63 | |
| 64 | @Override |
| 65 | public String name() { |
| 66 | return name; |
| 67 | } |
| 68 | |
| 69 | public static Builder builder() { |
| 70 | return new Builder(); |
| 71 | } |
| 72 | |
| 73 | public static class Builder extends AtomicValueBuilder { |
| 74 | |
| 75 | @Override |
| 76 | public AsyncAtomicValue build() { |
| 77 | return new TestAtomicValue<>(""); |
| 78 | } |
| 79 | } |
| 80 | } |