Allow overriding a Document
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Key: LUCENE-778
URL: https://issues.apache.org/jira/browse/LUCENE-778
Project: Lucene - Java
Issue Type: New Feature
Affects Versions: 2.0.0
Reporter: Nicolas Lalevée
Priority: Trivial
In our application, we have some kind of generic API that is handling how we
are using Lucene. The different other applications are using this API with
different semantics, and are using the Lucene fields quite differently. We
wrote some usefull functions to do this mapping. Today, as the Document class
cannot be overriden, we are obliged to make a document wrapper by application,
ie some MyAppDocument and MyOtherAppDocument which have a property holding a
real Lucene Document. Then, when MyApp or MyOtherApp want to use our generic
lucene API, we have to "get out" the Lucene document, ie do some
genericLuceneAPI.writeDoc(myAppDoc.getLuceneDocument()). This work fine, but it
becomes quite tricky to use the other function of our generic API which is
genericLuceneAPI.writeDocs(Collection<Document> docs).
I don't know the rational behind making final Document, but removing it will
allow more object-oriented code.
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