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.time.Duration; |
| 19 | import java.util.Optional; |
| 20 | import java.util.concurrent.CompletableFuture; |
| 21 | |
| 22 | import org.onosproject.store.service.AsyncDistributedLock; |
| 23 | import org.onosproject.store.service.Version; |
| 24 | |
| 25 | /** |
| 26 | * Atomix distributed lock. |
| 27 | */ |
| 28 | public class AtomixDistributedLock implements AsyncDistributedLock { |
| 29 | private final io.atomix.core.lock.AsyncAtomicLock atomixLock; |
| 30 | |
| 31 | public AtomixDistributedLock(io.atomix.core.lock.AsyncAtomicLock atomixLock) { |
| 32 | this.atomixLock = atomixLock; |
| 33 | } |
| 34 | |
| 35 | @Override |
| 36 | public String name() { |
| 37 | return atomixLock.name(); |
| 38 | } |
| 39 | |
| 40 | @Override |
| 41 | public CompletableFuture<Version> lock() { |
| 42 | return atomixLock.lock().thenApply(this::toVersion); |
| 43 | } |
| 44 | |
| 45 | @Override |
| 46 | public CompletableFuture<Optional<Version>> tryLock() { |
| 47 | return atomixLock.tryLock().thenApply(optional -> optional.map(this::toVersion)); |
| 48 | } |
| 49 | |
| 50 | @Override |
| 51 | public CompletableFuture<Optional<Version>> tryLock(Duration timeout) { |
| 52 | return atomixLock.tryLock(timeout).thenApply(optional -> optional.map(this::toVersion)); |
| 53 | } |
| 54 | |
| 55 | @Override |
| 56 | public CompletableFuture<Void> unlock() { |
| 57 | return atomixLock.unlock(); |
| 58 | } |
| 59 | |
| 60 | private Version toVersion(io.atomix.utils.time.Version version) { |
| 61 | return new Version(version.value()); |
| 62 | } |
| 63 | } |