com.arangodb.shaded.vertx.core.shareddata.impl.AsynchronousCounter Maven / Gradle / Ivy
/*
* Copyright (c) 2011-2019 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
package com.arangodb.shaded.vertx.core.shareddata.impl;
import com.arangodb.shaded.vertx.core.Future;
import com.arangodb.shaded.vertx.core.Promise;
import com.arangodb.shaded.vertx.core.impl.ContextInternal;
import com.arangodb.shaded.vertx.core.impl.VertxInternal;
import com.arangodb.shaded.vertx.core.shareddata.Counter;
import java.util.concurrent.atomic.AtomicLong;
/**
* @author Tim Fox
*/
public class AsynchronousCounter implements Counter {
private final VertxInternal vertx;
private final AtomicLong counter;
public AsynchronousCounter(VertxInternal vertx) {
this.vertx = vertx;
this.counter = new AtomicLong();
}
public AsynchronousCounter(VertxInternal vertx, AtomicLong counter) {
this.vertx = vertx;
this.counter = counter;
}
@Override
public Future get() {
ContextInternal context = vertx.getOrCreateContext();
Promise promise = context.promise();
promise.complete(counter.get());
return promise.future();
}
@Override
public Future incrementAndGet() {
ContextInternal context = vertx.getOrCreateContext();
Promise promise = context.promise();
promise.complete(counter.incrementAndGet());
return promise.future();
}
@Override
public Future getAndIncrement() {
ContextInternal context = vertx.getOrCreateContext();
Promise promise = context.promise();
promise.complete(counter.getAndIncrement());
return promise.future();
}
@Override
public Future decrementAndGet() {
ContextInternal context = vertx.getOrCreateContext();
Promise promise = context.promise();
promise.complete(counter.decrementAndGet());
return promise.future();
}
@Override
public Future addAndGet(long value) {
ContextInternal context = vertx.getOrCreateContext();
Promise promise = context.promise();
promise.complete(counter.addAndGet(value));
return promise.future();
}
@Override
public Future getAndAdd(long value) {
ContextInternal context = vertx.getOrCreateContext();
Promise promise = context.promise();
promise.complete(counter.getAndAdd(value));
return promise.future();
}
@Override
public Future compareAndSet(long expected, long value) {
ContextInternal context = vertx.getOrCreateContext();
Promise promise = context.promise();
promise.complete(counter.compareAndSet(expected, value));
return promise.future();
}
}