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Java > Open Source Codes > org > eclipse > jdt > internal > core > util > ILRUCacheable


1 /*******************************************************************************
2  * Copyright (c) 2000, 2006 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11 package org.eclipse.jdt.internal.core.util;
12
13 /**
14  * Types implementing this interface can occupy a variable amount of space
15  * in an LRUCache. Cached items that do not implement this interface are
16  * considered to occupy one unit of space.
17  *
18  * @see LRUCache
19  */
20 public interface ILRUCacheable {
21     /**
22      * Returns the space the receiver consumes in an LRU Cache. The default space
23      * value is 1.
24      *
25      * @return int Amount of cache space taken by the receiver
26      */
27     public int getCacheFootprint();
28 }
29
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