org.apache.marmotta.ldcache.api

Interface LDCachingBackend

public interface LDCachingBackend

Next generation caching backend API. Needs to be implemented by backend providers to offer caching support.

Author:

Sebastian Schaffert (sschaffert@apache.org)

Method Summary

Methods

Modifier and Type	Method and Description
void	clear() Clear all entries in the cache backend.
CacheEntry	getEntry(org.openrdf.model.URI resource) Return the cache entry for the given resource, or null if this entry does not exist.
void	initialize() Carry out any initialization tasks that might be necessary
void	putEntry(org.openrdf.model.URI resource, CacheEntry entry) Update the cache entry for the given resource with the given entry.
void	removeEntry(org.openrdf.model.URI resource) Remove the cache entry for the given resource if it exists.
void	shutdown() Shutdown the backend and free all runtime resources.

Method Detail

getEntry

CacheEntry getEntry(org.openrdf.model.URI resource)

Return the cache entry for the given resource, or null if this entry does not exist.

Parameters:

resource - the resource to retrieve the cache entry for

Returns:

putEntry

void putEntry(org.openrdf.model.URI resource,
            CacheEntry entry)

Update the cache entry for the given resource with the given entry.

Parameters:

resource - the resource to update

entry - the entry for the resource

removeEntry

void removeEntry(org.openrdf.model.URI resource)

Remove the cache entry for the given resource if it exists. Does nothing otherwise.

Parameters:

resource - the resource to remove the entry for

clear

void clear()

Clear all entries in the cache backend.

initialize

void initialize()

Carry out any initialization tasks that might be necessary

shutdown

void shutdown()

Shutdown the backend and free all runtime resources.