Re: [geomesa-users] Seeing addfeatures change the fids in a collection

[Emilio Lahr-Vivaz <elahrvivaz@xxxxxxxx>]

Hi Dave,

Are you setting the provided FID hint? We follow the geotools 
convention, where we will only use the existing feature ID if the 
following hint is set in the feature user data:

http://docs.geotools.org/latest/javadocs/org/geotools/factory/Hints.html#USE_PROVIDED_FID

Thanks,

Emilio

On 04/10/2017 08:17 PM, David Boyd wrote:
> All:
>
>   Another one of my off the wall questions.   When I am creating features
> I am specifying my own fid.    I gather these all in a collection, then
> call addfeatures to persist them to the datastore.
>
> But it looks like the call to: FeatureUtils.copyToWriter in 
> addfeatures is changing the fid.
>
> Below are my variables from an eclipse debugging session.
>
> You can see that the collection as one feature with a fid of 
> "73b6d329...."
> in the pasted output below.
>
> But in the fids list populated by toWrite.getIdentifier() has a 
> different fid.
>
> Why would copyToWriter change the fid?
>
> Am I doing something wrong creating the features?
>
> > this    GeoMesaFeatureStore  (id=283)
> > collection    DefaultFeatureCollection  (id=234)
> > features    SimpleFeatureIteratorImpl  (id=293)
> >     collection    TreeMap$Values  (id=299)
> >         [0]    SimpleFeatureImpl  (id=236)
> >             attributeUserData    null
> >             featureType    SimpleFeatureTypeImpl  (id=233)
> >             id    FeatureIdImpl  (id=241)
> >                 fid    "73b6d329-135f-4962-9716-daef5ad6896f" (id=244)
> >                 origionalFid    null
> >             index    HashMap<K,V>  (id=242)
> >             userData    HashMap<K,V>  (id=330)
> >             validating    false
> >             values    Object[9]  (id=243)
> >     iterator    TreeMap$ValueIterator  (id=302)
> > writer    AccumuloAppendFeatureWriter  (id=311)
> > fids    ArrayList<E>  (id=315)
> >     [0]    FeatureIdImpl  (id=336)
> >         fid    "20fa2382-4120-4904-8fa0-b2fe4a71befd" (id=337)
> >         origionalFid    "1" (id=338)