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From Stefan Guggisberg <stefan.guggisb...@gmail.com>
Subject Re: Bug with multi-valued properties when exporting repository content?
Date Tue, 15 Nov 2005 11:36:15 GMT
On 11/15/05, Martin Perez <mpermar@gmail.com> wrote:
> Ok Stefan.
>
> But I think that the problem happens also with more than one property, i.e.
> :
>
> Property p1 = node1.setProperty("someName", new String[]
> {"someValue1","someValue2"});
>
> I don't know if your explanation covers this case.

sorry, what problem occurs if you reimport the above property?

i would expect that for the reimported property p1:

p1.getDefinition().isMultiple()==true

is this not the case?

>
> Regards.
>
> Martin
>
> On 11/15/05, Stefan Guggisberg <stefan.guggisberg@gmail.com> wrote:
> >
> > On 11/14/05, Martin Perez <mpermar@gmail.com> wrote:
> > > Stefan, you were right, my message was a little unclear.
> > >
> > > With the "multivalued attribute is false" and "has a values attribute"
> > > phrases I meant that the PropertyImpl state object has those values in
> > those
> > > attributes. So, in this case the property is supposed to be not
> > multivalued
> > > but has multiple values.
> > >
> > > And, yes, I was using exportSystemView with skipBinary=false and
> > > noRecurse=false.
> > >
> > > If it is not clear I can try to explain better ( I must improve my
> > english
> > > ), but basically the problem is that an exported multivalued property is
> > > imported as a single-valued property, but the internal Value[] array
> > remains
> > > the same in both cases.
> >
> > no problem martin, i got it now :-)
> >
> > let's assume the following:
> >
> > Property p1 = node1.setProperty("someName", new String[] {"someValue"});
> > Property p2 = node2.setProperty("someName", "someValue");
> >
> > the problem is that in system view xml format both properties are
> > identical, i.e. the 'multiValued' information is not explicitly recorded:
> >
> > <sv:property sv:name="someName" sv:type="String">
> > <sv:value>someValue</sv:value>
> > </sv:property>
> >
> > if on reimport the parent node's node type contains both single- and
> > multivalued
> > definitions that would be applicable the former is taken. nt:unstructured
> > is an
> > example for a node type containing both single- and multivalued residual
> > property definitions.
> >
> > please note that this is not a bug in jackrabbit but a issue of the
> > system view xml format as specified in 6.4.1 System View XML Mapping
> > of jsr 170.
> >
> > cheers
> > stefan
> >
> >
> > >
> > > Regards,
> > >
> > > Martin
> > >
> > > On 11/14/05, Stefan Guggisberg <stefan.guggisberg@gmail.com> wrote:
> > > >
> > > > hi martin,
> > > >
> > > > On 11/12/05, Martin Perez <mpermar@gmail.com> wrote:
> > > > > Hi.
> > > > >
> > > > > I finished my holidays and so I expect to spam again this list with
> > a
> > > > bunch
> > > > > of questions and possible bug reports :)
> > > > >
> > > > > First of all, I'm using a two weeks ago version of jackrabbit. So
> > > > forgive me
> > > > > if this bug has already been resolved.
> > > > >
> > > > > Now, the bug: I created a node with only one multi-valued property.
> > The
> > > > > property also only has a single value. But, even as the property
has
> > one
> > > > > value, the property is multivalued and has a values attribute
> > composed
> > > > by a
> > > > > Value[1] array and its multivalued attribute is true. All is fine.
> > > > >
> > > > > Now, I export that simple repository, and after this I import it.
> > Here
> > > > is
> > > > > the surprise: now that simple property has a values attribute
> > composed
> > > > by a
> > > > > Value[1] array (ok) but multivalued attribute is false !!!
> > > >
> > > > what do you mean with "multivalued attribute is false" and "has a
> > > > values attribute"?
> > > >
> > > > >
> > > > > I tested this with a property with two values, and in this case all
> > > > works
> > > > > correctly, so it seems that the problem is with multi-valued
> > properties
> > > > with
> > > > > only one Value in their values array.
> > > > >
> > > > > Do you think that this could be a bug ? or maybe I'm missing
> > > > something...
> > > >
> > > > what export format did you choose? document view or system view?
> > > > note that the document view export format is not guaranteed to be
> > fully
> > > > roundtrippable as some information is inevitably lost in order to make
> > > > the output more human readable.
> > > >
> > > > if you need to reimport the exported data you should use the system
> > view
> > > > format.
> > > >
> > > > 6.4.2 Document View XML Mapping (ff.) of the jsr 170 specification
> > > > provides
> > > > more detailed information on this topic.
> > > >
> > > > cheers
> > > > stefan
> > > >
> > > >
> > > > >
> > > > > Thanks,
> > > > >
> > > > > Martin
> > > > >
> > > > >
> > > >
> > >
> > >
> >
>
>

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