/* Copyright (C) 2003 Vladimir Roubtsov. All rights reserved.
*
* This program and the accompanying materials are made available under
* the terms of the Common Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/cpl-v10.html
*
* $Id: IntegerFactory.java,v 1.1.1.1 2004/05/09 16:57:52 vlad_r Exp $
*/
package com.vladium.util;
// ----------------------------------------------------------------------------
/**
* @author Vlad Roubtsov, (C) 2003
*/
public
abstract class IntegerFactory
{
// public: ................................................................
// TODO: use thread-local arena pattern to avoid synchronization ?
public static Integer getInteger (final int value)
{
synchronized (s_values)
{
final Object _result = s_values.get (value);
if (_result == null)
{
final Integer result = new Integer (value);
s_values.put (value, result);
return result;
}
return (Integer) _result;
}
}
// protected: .............................................................
// package: ...............................................................
// private: ...............................................................
private IntegerFactory () {} // prevent subclassing
private static final IntObjectMap s_values = new IntObjectMap (16661);
} // end of class
// ----------------------------------------------------------------------------