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/*
 * Copyright (C) 2012 United States Government as represented by the Administrator of the
 * National Aeronautics and Space Administration.
 * All Rights Reserved.
 */

package gov.nasa.worldwind.cache;
/**
 * @author Tom Gaskins
 * @version $Id: Cacheable.java 1171 2013-02-11 21:45:02Z dcollins $
 */
public interface Cacheable
{
    // TODO: search for size queries that do not used this interface and change them to do so.
    // currently (22 Nov 2006), only  BasicElevationModel.addTileToCache(Tile, ShortBuffer) does not use Cacheable

    /**
     * Retrieves the approximate size of this object in bytes. Implementors are encouraged to calculate the exact size
     * for smaller objects, but use approximate values for objects that include such large components that the
     * approximation would produce an error so small that the extra computation would be wasteful.
     *
     * @return this Cacheable object's size in bytes
     */
    long getSizeInBytes();
}