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https://issues.apache.org/jira/browse/LUCENE-4167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13403056#comment-13403056
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Chris Male commented on LUCENE-4167:
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{quote}
This is essentially a java API vs 'query string' question. As is we essentially
pass the query string all the way to the SpatialStrategy before it checks the
operation; Chris proposes that the operation should be parsed before it gets to
the strategy and have real java functions for each operation.
{quote}
This is exactly what I'm suggesting. The Strategys shouldn't be doing decision
making, they are Factorys. The logic for parsing queries, validating, choosing
Strategys, constructing Shapes and identifying operations, shouldn't be their
concern at all.
> Remove the use of SpatialOperation
> ----------------------------------
>
> Key: LUCENE-4167
> URL: https://issues.apache.org/jira/browse/LUCENE-4167
> Project: Lucene - Java
> Issue Type: Bug
> Components: modules/spatial
> Reporter: Chris Male
> Attachments: LUCENE-4167.patch
>
>
> Looking at the code in TwoDoublesStrategy I noticed
> SpatialOperations.BBoxWithin vs isWithin which confused me. Looking over the
> other Strategys I see that really only isWithin and Intersects is supported.
> Only TwoDoublesStrategy supports IsDisjointTo. The remainder of
> SpatialOperations are not supported.
> I don't think we should use SpatialOperation as this stage since it is not
> clear what Operations are supported by what Strategys, many Operations are
> not supported, and the code for handling the Operations is usually the same.
> We can spin off the code for TwoDoublesStrategy's IsDisjointTo support into a
> different Strategy.
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