lumis.portal.cache

Interface ICacheDataProvider<T>

Type Parameters:

T - the type of the data provided.

public interface ICacheDataProvider<T>

Provides data for a PortalCache.

Since:

4.2.0

Version:

$Revision: 9601 $ $Date: 2008-07-18 18:38:17 +0000 (Fri, 18 Jul 2008) $

See Also:

PortalCache.fetch(String)

Method Summary

Modifier and Type	Method and Description
T	loadData(String key) Returns the data that is to be cached under the specified key.

Method Detail

loadData

T loadData(String key)
    throws PortalException

Returns the data that is to be cached under the specified key.

Note that the data returned may be a null value, and this information will be cached. In this scenario, it is also necessary to evict the key from the cache when a data is added for it in the original storage (otherwise only update and delete operations would require a eviction).

Parameters:

key - the key.

Returns:

the data.

Throws:

PortalException

Since:

4.2.0