org.gvsig.raster.cache.tile.impl

Class DefaultTileCacheManager

java.lang.Object

org.gvsig.raster.cache.tile.impl.DefaultTileCacheManager

All Implemented Interfaces:

TileCacheManager

public class DefaultTileCacheManager
extends java.lang.Object
implements TileCacheManager

Default RasterManager implementation.

Field Summary

Fields

Modifier and Type	Field and Description
static int	TILE_TIME_OUT

Constructor Summary

Constructors

Constructor and Description
DefaultTileCacheManager()

Method Summary

Modifier and Type	Method and Description
CacheStruct	createCacheStructure(int typeOfCoords, int levels, java.awt.geom.Rectangle2D layerExtent, double pixelSize, int tilePxWidth, int tilePxHeight, java.lang.String layerName, java.lang.String strategy, java.lang.String baseDir, java.lang.String fileSuffix, java.lang.String epsg, long size) Builds a standard cache structure for local files
CacheStruct	createCacheStructure(int typeOfCoords, int levels, java.awt.geom.Rectangle2D layerExtent, double pixelSize, int tilePxWidth, int tilePxHeight, java.lang.String uri, java.lang.String layerName, java.lang.String strategy, java.lang.String baseDir, java.lang.String fileSuffix, java.lang.String epsg, long size) Builds a standard cache structure
ITileFileSystemStrategy	createStrategy(java.lang.String strategy) Creates a strategy object
ThreadPool	createThreadPool(boolean priorityActive) Builds a new thread pool.
ThreadPool	createThreadPool(boolean priorityActive, int nThreads) Builds a new thread pool selecting the number of threads
Tile	createTile(int level, int col, int row) Creates a new tile structure
Tile	createTile(int wPx, int hPx, int row, int col, java.awt.geom.Point2D ul, java.awt.geom.Point2D lr) Creates a new tile structure
static DefaultTileCacheManager	getInstance() Gets an instance of this object for internal use.
TileCache	getTileCache(java.lang.String baseDir) Builds a new entry point for a tile cache.
int	getTileTimeOut() Gets the time out in milliseconds
void	setTileTimeOut(int ms) Sets the time out in milliseconds

Methods inherited from class java.lang.Object

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

Field Detail

TILE_TIME_OUT

public static int TILE_TIME_OUT

Constructor Detail

DefaultTileCacheManager

public DefaultTileCacheManager()

Method Detail

getInstance

public static DefaultTileCacheManager getInstance()

Gets an instance of this object for internal use.

Returns:

DefaultRasterManager

getTileCache

public TileCache getTileCache(java.lang.String baseDir)

Description copied from interface: TileCacheManager

Builds a new entry point for a tile cache. The parameter is an identifier for a tile cache structured implemented inside of this library

Specified by:

getTileCache in interface TileCacheManager

Returns:

createTile

public Tile createTile(int level,
                       int col,
                       int row)

Description copied from interface: TileCacheManager

Creates a new tile structure

Specified by:

createTile in interface TileCacheManager

col - Tile column

row - Tile row

Returns:

createTile

public Tile createTile(int wPx,
                       int hPx,
                       int row,
                       int col,
                       java.awt.geom.Point2D ul,
                       java.awt.geom.Point2D lr)

Description copied from interface: TileCacheManager

Creates a new tile structure

Specified by:

createTile in interface TileCacheManager

Parameters:

wPx - Width in pixels

hPx - Height in pixels

row - Tile row

col - Tile column

ul - Upper left coordinate

lr - Lower roght coordinate

Returns:

createCacheStructure

public CacheStruct createCacheStructure(int typeOfCoords,
                                        int levels,
                                        java.awt.geom.Rectangle2D layerExtent,
                                        double pixelSize,
                                        int tilePxWidth,
                                        int tilePxHeight,
                                        java.lang.String uri,
                                        java.lang.String layerName,
                                        java.lang.String strategy,
                                        java.lang.String baseDir,
                                        java.lang.String fileSuffix,
                                        java.lang.String epsg,
                                        long size)

Description copied from interface: TileCacheManager

Builds a standard cache structure

Specified by:

createCacheStructure in interface TileCacheManager

Parameters:

typeOfCoords - Constant defined in CacheStruct interface

levels - Number of levels

layerExtent - Bounding box of the layer

pixelSize - Pixel size of the layer

tilePxWidth - Width in pixels of a tile

tilePxHeight - Height in pixels of a tile

uri - server URL

layerName - Layer name or identifier

strategy - Strategy to store tiles in disk

baseDir - path to this layer

fileSuffix - File suffix

Returns:

createCacheStructure

public CacheStruct createCacheStructure(int typeOfCoords,
                                        int levels,
                                        java.awt.geom.Rectangle2D layerExtent,
                                        double pixelSize,
                                        int tilePxWidth,
                                        int tilePxHeight,
                                        java.lang.String layerName,
                                        java.lang.String strategy,
                                        java.lang.String baseDir,
                                        java.lang.String fileSuffix,
                                        java.lang.String epsg,
                                        long size)

Description copied from interface: TileCacheManager

Builds a standard cache structure for local files

Specified by:

createCacheStructure in interface TileCacheManager

Parameters:

typeOfCoords - Constant defined in CacheStruct interface

levels - Number of levels

layerExtent - Bounding box of the layer

pixelSize - Pixel size of the layer

tilePxWidth - Width in pixels of a tile

tilePxHeight - Height in pixels of a tile

layerName - Layer name or identifier

strategy - Strategy to store tiles in disk

baseDir - path to this layer

fileSuffix - File suffix

Returns:

createStrategy

public ITileFileSystemStrategy createStrategy(java.lang.String strategy)

Creates a strategy object

Parameters:

strategy -

Returns:

createThreadPool

public ThreadPool createThreadPool(boolean priorityActive)

Description copied from interface: TileCacheManager

Builds a new thread pool. This pool will use five threads by default

Specified by:

createThreadPool in interface TileCacheManager

Returns:

createThreadPool

public ThreadPool createThreadPool(boolean priorityActive,
                                   int nThreads)

Description copied from interface: TileCacheManager

Builds a new thread pool selecting the number of threads

Specified by:

createThreadPool in interface TileCacheManager

Returns:

setTileTimeOut

public void setTileTimeOut(int ms)

Description copied from interface: TileCacheManager

Sets the time out in milliseconds

Specified by:

setTileTimeOut in interface TileCacheManager

getTileTimeOut

public int getTileTimeOut()

Description copied from interface: TileCacheManager

Gets the time out in milliseconds

Specified by:

getTileTimeOut in interface TileCacheManager

Returns: