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https://issues.apache.org/jira/browse/LUCENE-5325?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alan Woodward updated LUCENE-5325:
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Attachment: LUCENE-5325.patch
Waking this one up again. Here's a patch that takes into account the new doc
values iterator API. The new classes look like this:
DoubleValuesSource
- getDoubleValues(LeafReaderContext, Scorer) which returns a DoubleValues
DoubleValues
- advanceTo(doc) : returns true if doc has a value
- doubleValue()
And similar for LongValuesSource/LongValues. There is already a LongValues
class in lucene.util, so this probably needs a better name. The XValuesSource
classes have a bunch of static methods for generating sources from doc values
fields or from a Scorer.
I also have patches that convert to and from the old ValueSource API, and that
migrate the facet, expression and suggest modules, but I think they should be
kept for follow-up issues.
> Move ValueSource and FunctionValues under core/
> -----------------------------------------------
>
> Key: LUCENE-5325
> URL: https://issues.apache.org/jira/browse/LUCENE-5325
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/search
> Reporter: Shai Erera
> Attachments: LUCENE-5325.patch, LUCENE-5325.patch, LUCENE-5325.patch,
> LUCENE-5325.patch, LUCENE-5325.patch
>
>
> Spinoff from LUCENE-5298: ValueSource and FunctionValues are abstract APIs
> which exist under the queries/ module. That causes any module which wants to
> depend on these APIs (but not necessarily on any of their actual
> implementations!), to depend on the queries/ module. If we move these APIs
> under core/, we can eliminate these dependencies and add some mock impls for
> testing purposes.
> Quoting Robert from LUCENE-5298:
> {quote}
> we should eliminate the suggest/ dependencies on expressions and queries, the
> expressions/ on queries, the grouping/ dependency on queries, the spatial/
> dependency on queries, its a mess.
> {quote}
> To add to that list, facet/ should not depend on queries too.
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