Github user cestella commented on the issue:
https://github.com/apache/metron/pull/995
It seems as though we should be checking the type for `isPolyField()` (see
[here](http://lucene.apache.org/solr/6_3_0/solr-core/org/apache/solr/schema/PointType.html#isPolyField--).
The problem, as I see it, is that we don't ahve access to the type
directly. So, in order to have the type, we may need a type cache. I'd
suggest a LFU caffeine cache that will retrieve the schema for the sensor from
solr. Thoughts?
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