зеркало из https://github.com/mozilla/gecko-dev.git
118 строки
2.7 KiB
Java
118 строки
2.7 KiB
Java
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil -*-
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is the Grendel mail/news client.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1997
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* Netscape Communications Corporation. All Rights Reserved.
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*/
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package calypso.util;
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import java.util.*;
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/**
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* Static recycler class for java.util.Hashtable
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*
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* @author psl 04-23-97 6:48pm
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*/
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public final class HashtableRecycler
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{
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static Recycler gRecycler;
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/**
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* Get one
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*
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* @return
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* @exception
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* @author psl 04-23-97 6:49pm
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*/
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public static synchronized Hashtable Alloc ()
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{
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Hashtable result = null;
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if (null != gRecycler)
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result = (Hashtable)gRecycler.getRecycledObject ();
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if (null == result)
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result = new Hashtable ();
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return result;
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}
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/**
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* Get one with an initial size
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* <I>since the growth mechanism is private (for now) a recycled
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* table won't really grow to capacity</I>
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*
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* @param aCapacity desired initial capacity
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* @return
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* @exception
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* @author psl 04-23-97 6:49pm
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*/
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public static synchronized Hashtable Alloc (int aCapacity)
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{
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Hashtable result = null;
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if (null != gRecycler)
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result = (Hashtable)gRecycler.getRecycledObject ();
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if (null == result)
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result = new Hashtable (aCapacity);
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return result;
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}
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/**
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* Recycle a hashtable
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* (it will be cleared by the recycler)
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*
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* @param aTable table to be recycled
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* @return
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* @exception
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* @author psl 04-23-97 6:50pm
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*/
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public static synchronized void Recycle (Hashtable aTable)
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{
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if (null == gRecycler)
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gRecycler = new Recycler ();
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aTable.clear ();
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gRecycler.recycle (aTable);
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}
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/**
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* Empty the recycler, it's earth day
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*
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* @param
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* @return
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* @exception
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* @author psl 04-21-97 4:29pm
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*/
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static synchronized public void EmptyRecycler ()
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{
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if (null != gRecycler)
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gRecycler.empty ();
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}
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/**
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* finalize class for unloading
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*
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* @param
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* @return
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* @exception
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* @author psl 04-21-97 4:29pm
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*/
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static void classFinalize () throws Throwable
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{
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// Poof! Now we are unloadable even though we have a static
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// variable.
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}
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}
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