On 4 juin 2012, at 17:03, Hardy Ferentschik wrote:
>
> On Jun 4, 2012, at 4:51 PM, Emmanuel Bernard wrote:
>
>> I don't think it can be SpatialValue as the annotations:
>>
>> - marks the property describing the spatial coordinates
>> - describes how the data will be indexed wrt spatial indexing (strategy +
>> fine tuning)
>> - describes the usual boost, etc properties
>
> I don't see a contradiction between these points and @SpatialValue (at least
> w/ my current
> understanding of the feature)
>
>> It's the sister of @Field but @SpatialField is wrong as we are not storing
>> data in one field but several.
>
> Hmm, I would like the symmetry between @Field, @NumericField and
> @SpatialField. is it really a concern
> that we are storing data into multiple fields. I don't think there is an
> expectation for a one to one mapping
> between @Field and the Lucene index. Using a custom field bridge any user can
> for example index a single
> property into multiple Document fields.
> From this perspective @SpatialField just implies a special field bridge which
> creates multiple Document fields.
> This would fit fine into my model on how Search works.
There are a few issues. @Spatial stands on its own and does not need @Field.
@NumericField is a complement to @Field
@Field(name="foo") @NumericField(forField="foo")
You can't model @Spatial like that because it's not attached to a given field.
Plus most @Field properties do not apply.
There is an expectation that @Field maps to a Lucene field. We twisted that
with custom field but you have to agree that this is not the common usage.
Also not that @Spatial can cross several java properties - or will in the near
future. You will be able to mark properties as latitude or longitude for a given
spatial indexing.
I think the real reason I don't like @SpatialValue is because most of what we
do is about value. No point putting it in a name.
Emmanuel
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