Hi Bojan,
Many thnaks for the quick answer.
With kind regards,
Marianna
>
>
> Am 17.06.2011 13:40, schrieb Marianna Mühlhölzer:
> > Hi Bojan,
> >
> > I want to use the REST Interface for browsing our DSpace repository
> by
> > title, date and subject. When trying to sort items I get problems
> with
> > the pagination. The _perpage parameter does not work. Using
> _perpage
> > alone has no influence on the number of retrieved items. I always
> get
> > all items. Using a combination of _perpage and _page delivers
> strange
> > results. For example, _perpage=2&_page=1 gives all items,
> > _perpage=4&_page=1 gives 4 items, and _perpage=4&_perpage=2 is
> empty.
>
> I opened JIRA issue for this problem, this is probably a bug.
>
>
> > I have two further questions:
> >
> > 1. The sorting process gives no information about the total number
> of
> > items in the repository. Therefore, before starting pagination I
> have to
> > request all items and count them, in order to realize the
> pagination.
> > Is there a better way to do browsing via REST?
>
> This problem is related with DSpace API, as the underlying functions
> do
> not provide such information. In some big collections this introduces
> performance problem too, as we need to read bigger portion of data
> than
> is to be served. Some time ago I posted a patch for this but it do
> not
> covers Oracle and other RDMBSs completely, so should be considered
> different way.
>
>
> > 2. The metadata of an item are presented as strings, which is not
> very
> > comfortable to handle. I would prefer to have them via tag per
> metadata
> > field. Do you plan to realize something like this?
>
> This issue has been rissen by Robin Taylor too. I haven't considered
> it
> as a problem before. It is currently reported on the JIRA list and
> will
> probably have a lower priority as there are other issues deemed more
> important.
>
> Thanks/Regards
> Bojan
>
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