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