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/*
* Copyright (C) 2009 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.
*/
package java.util.concurrent.atomic;
/**
* GWT emulated version of {@link AtomicInteger}. It's a thin wrapper
* around the primitive {@code int}.
*
* @author Hayward Chan
*/
public class AtomicInteger extends Number implements java.io.Serializable {
private int value;
public AtomicInteger(int initialValue) {
value = initialValue;
}
public AtomicInteger() {
}
public final int get() {
return value;
}
public final void set(int newValue) {
value = newValue;
}
public final void lazySet(int newValue) {
set(newValue);
}
public final int getAndSet(int newValue) {
int current = value;
value = newValue;
return current;
}
public final boolean compareAndSet(int expect, int update) {
if (value == expect) {
value = update;
return true;
} else {
return false;
}
}
public final int getAndIncrement() {
return value++;
}
public final int getAndDecrement() {
return value--;
}
public final int getAndAdd(int delta) {
int current = value;
value += delta;
return current;
}
public final int incrementAndGet() {
return ++value;
}
public final int decrementAndGet() {
return --value;
}
public final int addAndGet(int delta) {
value += delta;
return value;
}
@Override public String toString() {
return Integer.toString(value);
}
public int intValue() {
return value;
}
public long longValue() {
return (long) value;
}
public float floatValue() {
return (float) value;
}
public double doubleValue() {
return (double) value;
}
}
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