On Mon, Nov 26, 2012 at 1:47 AM, Martin Logan
<[email protected]>wrote:
> Hi Justin,
>
> Thanks for the pointer. I investigated at replacing my block of code with
> something that uses the StreamingParser but stumbled into the issue again
> that I needed the whole FeatureCollection to be built as I had to provide
> it as an input to FeatureJSON.writeFeatureCollection(). I found that
> building the FeatureCollection using the StreamingParser has the same cost
> as using just the plain Parser as every feature had to be stored into
> memory all at one go.
>
> My follow up question is if you know a FeatureCollection implementation
> that streams Features one at a time. Something that probably takes in a
> StreamingParser instance and calls parser.parse() for each iterator.next()
> call to grab the features inside the FeatureCollection object. I had a
> quick look around the codebase but didn't see anything.
>
>
I believe you'll have to implement your own, but it should not be too hard.
On trunk (the 9.x series) AbstractFeatureCollection can be extended by
providing little more than a FeatureIterator,
on the stable series it's similar, but uglier, and you have to provide an
Iterator instead
Cheers
Andrea
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