Package nl.bebr.mapviewer.data.cache.spi

Class CacheManager

java.lang.Object

nl.bebr.mapviewer.data.cache.spi.CacheManager

public class CacheManager
extends Object

CacheManager holds records for all cached (serialised) tiles.

During refresh() scans cache directory and save tiles records by zoom and coordinates.

Author:

Frantisek Post

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	CacheManager()

Method Summary

Modifier and Type	Method	Description
protected void	addFileSize(org.openide.filesystems.FileObject file)
protected void	addRecord(int zoom, int x, int y)
org.openide.filesystems.FileObject	getCacheFolder()
long	getCacheSize()	Gets maximum cache size on files
static CacheManager	getInstance()	Gets instance
boolean	isCached(TileCacheInfo tileCacheInfo)	Method to check, if image exists for tile defined by its coordinates and zoom level.
protected void	proccessFile(int zoom, org.openide.filesystems.FileObject file)
protected void	proccessFolder(org.openide.filesystems.FileObject folder)
void	refresh()	Refreshes tile cache information
void	setMapTypeFolder(String mapTypeFolder)
void	setZoomLevel(int zoom)

Methods inherited from class java.lang.Object

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

Constructor Detail

CacheManager

protected CacheManager()

Method Detail

getInstance

public static CacheManager getInstance()

Gets instance

Returns:

refresh

public void refresh()

Refreshes tile cache information

isCached

public boolean isCached(TileCacheInfo tileCacheInfo)

Method to check, if image exists for tile defined by its coordinates and zoom level.

Parameters:

zoom - zoom level

x - x coordinate

y - y coordinate

Returns:

true if image is presented, false otherwise

proccessFolder

protected void proccessFolder(org.openide.filesystems.FileObject folder)

proccessFile

protected void proccessFile(int zoom,
                            org.openide.filesystems.FileObject file)

addFileSize

protected void addFileSize(org.openide.filesystems.FileObject file)

addRecord

protected void addRecord(int zoom,
                         int x,
                         int y)

getCacheSize

public long getCacheSize()

Gets maximum cache size on files

Returns:

getCacheFolder

public org.openide.filesystems.FileObject getCacheFolder()

setZoomLevel

public void setZoomLevel(int zoom)

setMapTypeFolder

public void setMapTypeFolder(String mapTypeFolder)