Mutable Long
/*
* @(#)$Id: codetemplate_xbird.xml 943 2006-09-13 07:03:37Z yui $
*
* Copyright 2006-2008 Makoto YUI
*
* 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.
*
* Contributors:
* Makoto YUI - initial implementation
*/
//package xbird.util.primitive;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
/**
*
* <DIV lang="en"></DIV>
* <DIV lang="ja"></DIV>
*
* @author Makoto YUI (yuin405+xbird@gmail.com)
* @link http://commons.apache.org/lang/
*/
public final class MutableLong extends Number implements Comparable<Number>, Externalizable {
private static final long serialVersionUID = 5875689871048864932L;
public static final long INT_MIN_VALUE = 0x80000000L;
/** The mutable value. */
private long _value;
private transient int _hashcode;
public MutableLong() {
super();
this._value = 0L;
}
public MutableLong(long value) {
super();
this._value = value;
this._hashcode = (int) (value ^ (value >>> 32));
}
public MutableLong(Number value) {
super();
this._value = value.longValue();
}
public Long getValue() {
return new Long(_value);
}
public void setValue(long v) {
this._value = v;
}
public void setValue(Number v) {
this._value = v.longValue();
}
@Override
public double doubleValue() {
return _value;
}
@Override
public float floatValue() {
return _value;
}
@Override
public int intValue() {
return (int) _value;
}
@Override
public long longValue() {
return _value;
}
public int compareTo(Number other) {
final long thisVal = _value;
final long anotherVal = other.longValue();
return thisVal < anotherVal ? -1 : (thisVal == anotherVal ? 0 : 1);
}
@Override
public boolean equals(Object obj) {
if(obj instanceof MutableLong) {
return _value == ((MutableLong) obj).longValue();
}
return false;
}
@Override
public int hashCode() {
return _hashcode;
}
@Override
public String toString() {
return String.valueOf(_value);
}
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
long v = in.readLong();
this._value = v;
this._hashcode = (int) (v ^ (v >>> 32));
}
public void writeExternal(ObjectOutput out) throws IOException {
out.writeLong(_value);
}
//-----------------------------------------------------------------------
public long incrementAndGet() {
return ++_value;
}
public long decrementAndGet() {
return --_value;
}
public long getAndIncrement() {
return _value++;
}
public long getAndDecrement() {
return _value--;
}
public void increment() {
_value++;
}
public void decrement() {
_value--;
}
public void add(long operand) {
this._value += operand;
}
public void add(Number operand) {
this._value += operand.longValue();
}
public long addAndGet(long x) {
_value += x;
return _value;
}
public long getAndAdd(long x) {
long prev = _value;
_value += x;
return prev;
}
public void subtract(long operand) {
this._value -= operand;
}
public void subtract(Number operand) {
this._value -= operand.longValue();
}
}
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