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From "Ray Gauss II (JIRA)" <j...@apache.org>
Subject [jira] [Created] (TIKA-927) Composite Properties
Date Wed, 16 May 2012 21:25:07 GMT
Ray Gauss II created TIKA-927:
---------------------------------

             Summary: Composite Properties
                 Key: TIKA-927
                 URL: https://issues.apache.org/jira/browse/TIKA-927
             Project: Tika
          Issue Type: Improvement
          Components: metadata
    Affects Versions: 1.1
            Reporter: Ray Gauss II
         Attachments: tika-composite-properties-core.diff

A composite property type would be useful for maintaining backwards compatibility when migrating
old properties or aliasing a single primary property to several secondary fields.

To achieve this the Property class could allow for defining a composite type which aliases
a primary Property and an optional list of secondaryExtractProperties which can be used to
set additional metadata properties with the same value as the primary.

The name of the composite property would be taken from its primary property.

The primary and secondary children of a composite property must not be composite properties
themselves or a PropertyTypeException will be thrown.


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