com.supermap.services.util.cache

Class DefaultImageCache

java.lang.Object

com.supermap.services.util.cache.DefaultImageCache

All Implemented Interfaces:

ImageCache

public class DefaultImageCache
extends java.lang.Object
implements ImageCache

It's used to save the generated image cache index and the files location, etc, to help quickly search relevant cache object.

Constructor Summary

Constructors

Constructor and Description
DefaultImageCache(java.lang.String mapName, java.lang.String outputDir)

Method Summary

Methods

Modifier and Type	Method and Description
void	add(CacheItem item, int width, int height) Add cache item.
boolean	cacheExists(CacheItem cacheItem, int width, int height) Determine whether the corresponding cache exists
void	clear(Rectangle2D bounds) Clear the cache
void	clear(Rectangle2D bounds, int width, int height) Clear the cache
void	clearAll() Clear all cache.
CacheItem[]	getCacheItems(Rectangle2D bounds, double scale) Get the corresponding cache item according to the range and scale
CacheItem[]	getCacheItems(Rectangle2D bounds, int width, int height, double scale) Get the cache item in corresponding range
void	remove(CacheItem item) Remove the corresponding image item

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultImageCache

public DefaultImageCache(java.lang.String mapName,
                 java.lang.String outputDir)

Method Detail

add

public void add(CacheItem item,
       int width,
       int height)

Description copied from interface: ImageCache

Add cache item.

Specified by:

add in interface ImageCache

cacheExists

public boolean cacheExists(CacheItem cacheItem,
                  int width,
                  int height)

Description copied from interface: ImageCache

Determine whether the corresponding cache exists

Specified by:

cacheExists in interface ImageCache

Returns:

clear

public void clear(Rectangle2D bounds)

Description copied from interface: ImageCache

Clear the cache

Specified by:

clear in interface ImageCache

clear

public void clear(Rectangle2D bounds,
         int width,
         int height)

Description copied from interface: ImageCache

Clear the cache

Specified by:

clear in interface ImageCache

clearAll

public void clearAll()

Description copied from interface: ImageCache

Clear all cache.

Specified by:

clearAll in interface ImageCache

getCacheItems

public CacheItem[] getCacheItems(Rectangle2D bounds,
                        int width,
                        int height,
                        double scale)

Get the cache item in corresponding range

Specified by:

getCacheItems in interface ImageCache

Returns:

getCacheItems

public CacheItem[] getCacheItems(Rectangle2D bounds,
                        double scale)

Description copied from interface: ImageCache

Get the corresponding cache item according to the range and scale

Specified by:

getCacheItems in interface ImageCache

Returns:

remove

public void remove(CacheItem item)

Remove the corresponding image item

Specified by:

remove in interface ImageCache