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https://issues.apache.org/jira/browse/SOLR-398?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12626099#action_12626099
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Andrzej Bialecki commented on SOLR-398:
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Great minds think alike :) I was about to submit exactly the same patch when I
noticed this JIRA.
One thing is missing in your patch - DocumentBuilder:282 should use
"out.getFieldable()" instead of "out.getField()". This is required if you
provide a custom Fieldable implementation (!instanceof o.a.l.d.Field) in
FieldType subclasses, because o.a.l.d.Document.getField tries to cast the
result to o.a.l.d.Field, whereas Document.getFieldable is happy with any
subclass of Fieldable ;)
> Widen return type of FiledType.createField to Fieldable in order to maximize
> flexibility
> ----------------------------------------------------------------------------------------
>
> Key: SOLR-398
> URL: https://issues.apache.org/jira/browse/SOLR-398
> Project: Solr
> Issue Type: Improvement
> Components: update
> Affects Versions: 1.2, 1.3
> Reporter: Espen Amble Kolstad
> Priority: Minor
> Attachments: 1.2-FieldType-2.patch, trunk-FieldType-3.patch,
> trunk-FieldType-4.patch
>
>
> FieldType.createField currently returns Field.
> In order to maximize flexibility for developers to extend Solr, it should
> return Fieldable.
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