| // CHECKSTYLE_OFF: Copyrighted to Guava Authors. |
| /* |
| * Copyright (C) 2015 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 emulation of AtomicBoolean. |
| */ |
| public class AtomicBoolean implements java.io.Serializable { |
| private boolean value; |
| |
| public AtomicBoolean(boolean initialValue) { |
| value = initialValue; |
| } |
| |
| public AtomicBoolean() { |
| } |
| |
| public final boolean get() { |
| return value; |
| } |
| |
| public final boolean compareAndSet(boolean expect, boolean update) { |
| if (get() == expect) { |
| set(update); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| public boolean weakCompareAndSet(boolean expect, boolean update) { |
| return compareAndSet(expect, update); |
| } |
| |
| public final void set(boolean newValue) { |
| value = newValue; |
| } |
| |
| public final void lazySet(boolean newValue) { |
| set(newValue); |
| } |
| |
| public final boolean getAndSet(boolean newValue) { |
| boolean current = get(); |
| set(newValue); |
| return current; |
| } |
| |
| public String toString() { |
| return Boolean.toString(get()); |
| } |
| } |