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https://issues.apache.org/jira/browse/LUCENE-2310?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Male updated LUCENE-2310:
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Attachment: LUCENE-2310-Deprecate-AbstractField.patch
Addressed the issues raised by Uwe about the TokenStream in NumericField.
NumericField now throws a UOE on setTokenStream. Since it also extends Field
which has its own TokenStream field, NumericField now uses the field from
TokenStream rather than its own.
The more and more this is discussed the clearer it is that Field should be the
base class of the Field hierarchy, and not AbstractField or Fieldable. The
issue of having all the setters and configurations will be addressed in
LUENE-2308 when we move them all to FieldType. Field will become a simple
tuple consisting of at least a value and type, and possibly a TokenStream.
NumericField and LazyField are customisations of Field controlling certain
aspects of the tuple. For NumericField that is the TokenStream and setting the
value. For LazyField that is the value.
> Reduce Fieldable, AbstractField and Field complexity
> ----------------------------------------------------
>
> Key: LUCENE-2310
> URL: https://issues.apache.org/jira/browse/LUCENE-2310
> Project: Lucene - Java
> Issue Type: Sub-task
> Components: Index
> Reporter: Chris Male
> Attachments: LUCENE-2310-Deprecate-AbstractField.patch,
> LUCENE-2310-Deprecate-AbstractField.patch
>
>
> In order to move field type like functionality into its own class, we really
> need to try to tackle the hierarchy of Fieldable, AbstractField and Field.
> Currently AbstractField depends on Field, and does not provide much more
> functionality that storing fields, most of which are being moved over to
> FieldType. Therefore it seems ideal to try to deprecate AbstractField (and
> possible Fieldable), moving much of the functionality into Field and
> FieldType.
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