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

All Known Implementing Classes:

EHResourceBundleDataCache, NullResourceBundleDataCache

public interface ResourceBundleDataCache

Creation-Date: 06.04.2006, 09:30:28

Author:

Thomas Morgner

Method Summary

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

Method Detail

get

ResourceBundleDataCacheEntry get(ResourceKey key)

Retrieves the given data from the cache.

Parameters:

key - the resource key for the data.

Returns:

the cached entry or null, if the entry is no longer in the cache.

put

ResourceBundleData put(ResourceManager caller,
                       ResourceBundleData 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:

caller - the calling resource manager.

data - the data to be stored in the cache

Returns:

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

Throws:

ResourceLoadingException - if an error prevents the data from being cached.

remove

void remove(ResourceBundleData 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()