| /* |
| * 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.time.Duration; |
| import java.util.Optional; |
| import java.util.concurrent.CompletableFuture; |
| |
| import org.onosproject.store.service.AsyncDistributedLock; |
| import org.onosproject.store.service.Version; |
| |
| import static org.onosproject.store.atomix.primitives.impl.AtomixFutures.adaptFuture; |
| |
| /** |
| * Atomix distributed lock. |
| */ |
| public class AtomixDistributedLock implements AsyncDistributedLock { |
| private final io.atomix.core.lock.AsyncAtomicLock atomixLock; |
| |
| public AtomixDistributedLock(io.atomix.core.lock.AsyncAtomicLock atomixLock) { |
| this.atomixLock = atomixLock; |
| } |
| |
| @Override |
| public String name() { |
| return atomixLock.name(); |
| } |
| |
| @Override |
| public CompletableFuture<Version> lock() { |
| return adaptFuture(atomixLock.lock()).thenApply(this::toVersion); |
| } |
| |
| @Override |
| public CompletableFuture<Optional<Version>> tryLock() { |
| return adaptFuture(atomixLock.tryLock()).thenApply(optional -> optional.map(this::toVersion)); |
| } |
| |
| @Override |
| public CompletableFuture<Optional<Version>> tryLock(Duration timeout) { |
| return adaptFuture(atomixLock.tryLock(timeout)).thenApply(optional -> optional.map(this::toVersion)); |
| } |
| |
| @Override |
| public CompletableFuture<Void> unlock() { |
| return adaptFuture(atomixLock.unlock()); |
| } |
| |
| private Version toVersion(io.atomix.utils.time.Version version) { |
| return new Version(version.value()); |
| } |
| } |