gecko-dev/grendel/calypso/util/MemoryPressure.java
1998-09-09 00:52:38 +00:00

42 lines
1.4 KiB
Java

/* -*- 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;
public interface MemoryPressure {
/**
* This method is called by the garbage collector just before a
* garbage collection is about to begin.
*/
void preGC(long aCurrentHeapSpace, long aMaximumHeapSpace);
/**
* This method is called by the garbage collector just after a
* collection has finished.
*/
void postGC(long aCurrentHeapSpace, long aMaximumHeapSpace);
/**
* This method is called by the garbage collector when the
* heap is essentially full and can no longer grow. When this
* occurs <B>all</B> caches of objects should be flushed.
*/
void panic();
}