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Subject: RE: Delete, Update locally cached entities
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Date: Tue, 2 Aug 2011 12:20:52 +0100
Message-ID: 
 <798CB1570E93D245815FC1545D41FBA2053B8094@Paperboy.lan.gossinteractive.com>
In-Reply-To: 
 <CAA7LAO1j3zWC_b_SA6x8fVA0EVpG_yz-9qJFxKeY1KqC1Y-c1Q@mail.gmail.com>
Thread-Topic: Delete, Update locally cached entities
Thread-Index: AcxQ++VSqxRm/UtBTD2vkQDC540bzAACSV4g
References: 
 <798CB1570E93D245815FC1545D41FBA2053B7FF3@Paperboy.lan.gossinteractive.com>
 <CAA7LAO1j3zWC_b_SA6x8fVA0EVpG_yz-9qJFxKeY1KqC1Y-c1Q@mail.gmail.com>
From: "Rohana Rajapakse" <Rohana.Rajapakse@gossinteractive.com>
To: <stanbol-dev@incubator.apache.org>

Hi,

I was under the impression that the entityhub/entity can be used for managin=
g local (cached) entities. I am confused with what this page/endpoint http:/=
/localhost:8080/entityhub/entity says (page to get/create/update/delete Enti=
ties Managed by the entity hub). Am I missing something here?


Rohana 

-----Original Message-----
From: Rupert Westenthaler [mailto:rupert.westenthaler@gmail.com] 
Sent: 02 August 2011 11:06
To: stanbol-dev@incubator.apache.org
Subject: Re: Delete, Update locally cached entities

Hi

On Tue, Aug 2, 2011 at 10:42 AM, Rohana Rajapakse
<Rohana.Rajapakse@gossinteractive.com> wrote:
> How do you delete/update locally cached entities in Entityhub? Which
> endpoint(s) can I use? Can someone pass me a sample CURL instructions
> please.
>
ReferencedSites are read only. Via the RESTful interface there is no
possibility to delete/update entities.
Currently there is also no possibility to control the behavior of the
local cache.

The preferred way to provide this feature would be to use the HTTP
Cache-Control headers [1] as described by [2].
This would allow to update the local cache by adding the
"Cache-Control: max-age=3D0" to a request.

To support this one would also need to extend the interface of the
ReferencedSite to allow to parse CacheControl parameters along with
requests.

If this would solve your issue I can create an JIRA issue for this new featu=
re.

best
Rupert Westenthaler

[1] http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9
[2] http://incubator.apache.org/stanbol/docs/trunk/entityhub/entityhubandlin=
keddata.html#cache-controlhttpwwww3orgprotocolsrfc2616rfc2616-sec14htmlsec14=
9

>
>
> Thanks
>
>
>
> Rohana
>
>
>
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