at.newmedialab.ldclient.service
Class LDCache

java.lang.Object
  at.newmedialab.ldclient.service.LDCache

public class LDCache
extends Object

Add file description here!

Author: Sebastian Schaffert

Constructor Summary

LDCache(LDCacheProvider ldCacheProvider)

Method Summary

LDEndpoints	getEndpointService()
void	refreshResource(org.openrdf.model.URI resource) Refresh the cached resource passed as argument.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LDCache

public LDCache(LDCacheProvider ldCacheProvider)

Method Detail

refreshResource

public void refreshResource(org.openrdf.model.URI resource)

Refresh the cached resource passed as argument. The method will do nothing for local resources. Calling the method will carry out the following tasks: 1. check whether the resource is a remote resource; if no, returns immediately 2. check whether the resource has a cache entry; if no, goto 4 3. check whether the expiry time of the cache entry has passed; if no, returns immediately 4. retrieve the triples for the resource from the Linked Data Cloud using the methods offered by the LinkedDataClientService (registered endpoints etc); returns immediately if the result is null or an exception is thrown 5. remove all old triples for the resource and add all new triples for the resource 6. create new expiry information of the cache entry and persist it in the transaction

Parameters:

resource -

getEndpointService

public LDEndpoints getEndpointService()