1f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project/* Copyright (C) 2003 Vladimir Roubtsov. All rights reserved. 2f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * 3f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * This program and the accompanying materials are made available under 4f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * the terms of the Common Public License v1.0 which accompanies this distribution, 5f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * and is available at http://www.eclipse.org/legal/cpl-v10.html 6f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * 7f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * $Id: IntegerFactory.java,v 1.1.1.1 2004/05/09 16:57:52 vlad_r Exp $ 8f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project */ 9f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Projectpackage com.vladium.util; 10f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 11f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project// ---------------------------------------------------------------------------- 12f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project/** 13f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * @author Vlad Roubtsov, (C) 2003 14f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project */ 15f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Projectpublic 16f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Projectabstract class IntegerFactory 17f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project{ 18f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project // public: ................................................................ 19f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 20f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project // TODO: use thread-local arena pattern to avoid synchronization ? 21f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 22f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project public static Integer getInteger (final int value) 23f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project { 24f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project synchronized (s_values) 25f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project { 26f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project final Object _result = s_values.get (value); 27f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 28f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project if (_result == null) 29f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project { 30f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project final Integer result = new Integer (value); 31f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project s_values.put (value, result); 32f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 33f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project return result; 34f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project } 35f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 36f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project return (Integer) _result; 37f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project } 38f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project } 39f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 40f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project // protected: ............................................................. 41f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 42f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project // package: ............................................................... 43f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 44f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project // private: ............................................................... 45f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 46f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 47f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project private IntegerFactory () {} // prevent subclassing 48f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 49f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 50f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project private static final IntObjectMap s_values = new IntObjectMap (16661); 51f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 52f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project} // end of class 53f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project// ----------------------------------------------------------------------------