org.pentaho.reporting.libraries.resourceloader.cache
Interface ResourceDataCache

All Known Implementing Classes:

EHResourceDataCache, NullResourceDataCache

public interface ResourceDataCache

Creation-Date: 06.04.2006, 09:30:28

Author:

Thomas Morgner

Method Summary

void	clear() Remove all cached entries.
ResourceDataCacheEntry	get(ResourceKey key) Retrieves the given data from the cache.
ResourceData	put(ResourceManager caller, ResourceData data) Stores the given data on the cache.
void	remove(ResourceData data)
void	shutdown()

Method Detail

get

ResourceDataCacheEntry get(ResourceKey key)

Retrieves the given data from the cache.

Parameters:

key - the resource key for the data.

put

ResourceData put(ResourceManager caller,
                 ResourceData data)
                 throws ResourceLoadingException

Stores the given data on the cache. The data is registered by its primary key. The cache has to store the current version of the data.

Parameters:

data - the data to be stored in the cache

Returns:

the resource data object, possibly wrapped by a cache-specific implementation.

Throws:

ResourceLoadingException

remove

void remove(ResourceData data)

clear

void clear()

Remove all cached entries. This should be called after the cache has become invalid or after it has been removed from a resource manager.

shutdown

void shutdown()