| // CHECKSTYLE_OFF: Copyrighted to Guava Authors. |
| /* |
| * Copyright (C) 2011 The Guava Authors |
| * |
| * 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. |
| */ |
| // CHECKSTYLE_ON |
| |
| package java.util.concurrent.atomic; |
| |
| /** |
| * GWT emulated version of {@link AtomicLong}. It's a thin wrapper |
| * around the primitive {@code long}. |
| */ |
| public class AtomicLong extends Number implements java.io.Serializable { |
| |
| private long value; |
| |
| public AtomicLong(long initialValue) { |
| this.value = initialValue; |
| } |
| |
| public AtomicLong() { |
| } |
| |
| public final long get() { |
| return value; |
| } |
| |
| public final void set(long newValue) { |
| value = newValue; |
| } |
| |
| public final void lazySet(long newValue) { |
| set(newValue); |
| } |
| |
| public final long getAndSet(long newValue) { |
| long current = value; |
| value = newValue; |
| return current; |
| } |
| |
| public final boolean compareAndSet(long expect, long update) { |
| if (value == expect) { |
| value = update; |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| public final long getAndIncrement() { |
| return value++; |
| } |
| |
| public final long getAndDecrement() { |
| return value--; |
| } |
| |
| public final long getAndAdd(long delta) { |
| long current = value; |
| value += delta; |
| return current; |
| } |
| |
| public final long incrementAndGet() { |
| return ++value; |
| } |
| |
| public final long decrementAndGet() { |
| return --value; |
| } |
| |
| public final long addAndGet(long delta) { |
| value += delta; |
| return value; |
| } |
| |
| @Override public String toString() { |
| return Long.toString(value); |
| } |
| |
| public int intValue() { |
| return (int) value; |
| } |
| |
| public long longValue() { |
| return value; |
| } |
| |
| public float floatValue() { |
| return (float) value; |
| } |
| |
| public double doubleValue() { |
| return (double) value; |
| } |
| } |