Ricardo,

Does the university of Minho plan on developing XMLUI compatibility (i.e. the ability to view statistics from Manakin) in a future release of the statistics addon?

Scott--

On Feb 19, 2009, at 11:17 AM, Ricardo Otelo Santos Saraiva Cruz wrote:

Hi,

There has been a bit of confusion about the statistics add-on on the DSpace lists, maybe because of this posting: http://www.dspace.org/index.php/Software/ . For this reason we would like to clarify.

First a premise, the UMinho Stats Add-on to gather the events supports itself on the DSpace logging (dspace.log).

The JSPUI interface since the begging registers the events (view_item, view_bitstream, etc) using the DSpace logs.

At first the XMLUI didn’t make that logging, so we think that what is meant when is said that the UMinho Stats Add-on will work with DSpace 1.5.0 (at http://www.dspace.org/index.php/Software/) it’s because from DSpace v1.5.0. on both interfaces (JSPUI and XMLUI) register events using the DSpace logging.

This doesn’t mean that the Add-on works accordingly to the XMLUI architecture, but the opposite. Although, who is using XMLUI can install it because the Stats are gathered and so it can work. Nevertheless, it’s still working accordingly to the JSP’s Architecture.

Currently the Stats Add-on is only packaged for Dpace v1.4.x, but we have it working (on JSPUI) with DSpace 1.5.1 (see at: https://repositorium.sdum.uminho.pt/stats?level=general&type=access&page=downviews-series) . The good news are that we’re working on the packaging for v1.5.x, and we anticipate that by the begging of March we will publicly release it.

In the Stats Add-on package for 1.5.x we will modify the gathering event mechanism in the interface. We don’t use the Event Mechanism of DSpace because it’s orientated to events that occur in the DB, for example, entering registers, removal, etc.

The events we deal with don’t originate necessarily transactions in the DB, for that, it doesn’t work, and for that the Event Mechanism must be modified. By opinions we saw in the DSpace tech lists the committers aren’t very keen pursuing that modification approach.

Also for this motive, Mark Hood developed a patch to deal with that events (it’s based in the plugin mechanism), and that´s the one we'll be using.

We must look at the actual trunk of DSpace if that patch has been included to evaluate if we have to modify something to support all the events we need to deal with in the Stats Add-on.

With this the Stats Add-on, besides no longer being depend of dspace.log, we intend also that it:

- Won’t depend of the log4java configuration and the JDBC Appender configuration;
- Won’t depend of pl/java;
- And we will also try that it doesn’t depend of PostgreSQL, meaning, being compatible also with Oracle (this one we don’t promise, but that’s our intention)

Best regards,

Ricardo Saraiva
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