Thanks for the Clarification Claude and asf. I get what you are suggesting. As asf said, i believe the approach using DataSetChanges and GraphListener is a bit closer to what I want to achieve.
Thanks, Anuj On Mon, Oct 30, 2017 at 11:15 AM, <aj...@apache.org> wrote: > Claude's approach isn't Fuseki-specific. You can use the jena-permissions > module directly, and that might even be easier. But certainly, > GraphListener and DatasetChanges are probably closer already to what you > want. > > > ajs6f > > anuj kumar wrote on 10/30/17 5:52 AM: > > Hey Claude, >> I am not using Fuseki and thus the solution you propose will not be a >> feasible one for me. >> >> Andy, >> Thanks for the information on GraphListener, DatasetChanges as well as >> rdf-patch. I think using these tools I will e able to handle my use cases. >> Let me give them a try and see if I stumble upon some rabbit hole. >> >> Thanks, >> Anuj Kumar >> >> On Fri, Oct 27, 2017 at 2:39 PM, Claude Warren <cla...@xenei.com> wrote: >> >> Since you need to detect who changed what the only way I can see to do >>> this >>> is turn on authentication on Fuseki and track changes made through it. >>> >>> You could bastardise the permissions layer[1] to do what you want. The >>> permissions layer will let you filter down to the actions on the triples, >>> rather than implementing a SecurityEvaluator to perform the restriction >>> you >>> could implement it record all changes (including who made them) in any >>> storage and format you wish. >>> >>> 1. https://jena.apache.org/documentation/permissions/index.html >>> >>> >>> On Fri, Oct 27, 2017 at 11:42 AM, anuj kumar <anuj.gandh...@gmail.com> >>> wrote: >>> >>> Hi Jena Users, >>>> I have a query regarding the most effective way to capture changes in >>>> >>> the >>> >>>> underlying Triple Store. >>>> I have a requirement where: >>>> 1. Every time a property of a Node (represented as a Triple Statement) >>>> changes, I also need to generate certain change statements to capture >>>> >>> what >>> >>>> has changed, who changed it, when it was changed etc. >>>> 2. If I delete a Node (represented as a Set of Triples in the RDF >>>> >>> Store), I >>> >>>> need to capture the action DELETE on this node, who deleted the node, >>>> >>> when >>> >>>> it was deleted etc. >>>> >>>> Basically, I need to have a audit trail developed so that I can create >>>> >>> the >>> >>>> graph as it was at a given moment in time. >>>> >>>> The question is: >>>> 1. What is the best way to implement such functionality? Does Jena >>>> >>> support >>> >>>> such a thing either natively or through some standard mechanism? >>>> >>>> Thanks, >>>> -- >>>> *Anuj Kumar* >>>> >>>> >>> >>> >>> -- >>> I like: Like Like - The likeliest place on the web >>> <http://like-like.xenei.com> >>> LinkedIn: http://www.linkedin.com/in/claudewarren >>> >>> >> >> >> -- *Anuj Kumar*
