com.google.gwt.emul.java.util.concurrent.atomic.AtomicBoolean Maven / Gradle / Ivy
// 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());
}
}