oracle.cabo.image.cache
Interface CacheKeyFactory

All Known Implementing Classes:

ButtonKeyFactory, ColorizedIconKeyFactory, TabBarKeyFactory, CompositeButtonKeyFactory, GlobalButtonKeyFactory, FlippedIconKeyFactory

public interface CacheKeyFactory

The file system-based ImageProvider implementations convert the Dictionary of requested image properties into an object more optimized for hashtable lookups via a CacheKeyFactory. The image type-specific CacheKeyFactory is stored on the ImageType instance using the CACHE_KEY_FACTORY_PROPERTY key.

Field Summary

static java.lang.Object

CACHE_KEY_FACTORY_PROPERTY Key used to retrieve the CacheKeyFactory property from an ImageType.

Method Summary

java.lang.Object

getCacheKey(ImageContext context, java.util.Dictionary properties) Creates a key suitable for use as a hashtable key.

Field Detail

CACHE_KEY_FACTORY_PROPERTY

public static final java.lang.Object CACHE_KEY_FACTORY_PROPERTY

Key used to retrieve the CacheKeyFactory property from an ImageType.

Method Detail

getCacheKey

public java.lang.Object getCacheKey(ImageContext context,
                                    java.util.Dictionary properties)

Creates a key suitable for use as a hashtable key.

Parameters:

context - The image context

property - The dictionary of requested image properties