org.epseelon.mobimap.tiles
Class TileCache

java.lang.Object
  org.epseelon.mobimap.tiles.TileCache

public class TileCache
extends java.lang.Object

This class implements a very basic cache that stores a given number of map tiles at most. We need a cache that is more intelligent and more efficient.

Version:

15 juin 2008, 13:56:31

Author:

sarbogast

Constructor Summary

TileCache(int size)
Builds a new empty cache with room ready for size tiles.

Method Summary

boolean	containsKey(java.lang.String url)
Tile	get(java.lang.String url) Retrieves a tile behind a given URL
void	put(java.lang.String url, Tile tile) Stores a tile in the cache.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TileCache

public TileCache(int size)

Builds a new empty cache with room ready for size tiles.

Parameters:

size - The maximum number of tiles this cache will contain at any time.

Method Detail

containsKey

public boolean containsKey(java.lang.String url)

Parameters:

url - the url to check for availability

Returns:

true if there is a tile stored with this url, false otherwise

put

public void put(java.lang.String url,
                Tile tile)

Stores a tile in the cache.

Parameters:

url - The url of the tile to store

tile - The tile to store

get

public Tile get(java.lang.String url)

Retrieves a tile behind a given URL

Parameters:

url - The URL of the tile to retrieve

Returns:

The tile stored with this url if any, null otherwise