[ http://issues.apache.org/jira/browse/LUCENE-581?page=all ]
Karl Wettin updated LUCENE-581:
-------------------------------
Attachment: index.tar
The required update
> Index, a new generalization super root
> --------------------------------------
>
> Key: LUCENE-581
> URL: http://issues.apache.org/jira/browse/LUCENE-581
> Project: Lucene - Java
> Type: New Feature
> Components: Index
> Versions: 2.0.0
> Reporter: Karl Wettin
> Priority: Minor
> Attachments: index.tar, indexbonus.tar
>
> This update adds a new super class Index, extended by Directory. It allows
> for transparent communication between your application and the persistency
> mechanism. It takes issue 550 one step closer to backwards compability.
> * Term and Document are no longer final classes.
> * InterfaceIndexWriter
> I also added these two in the Index.
> abstract index.openIndexWriter()
> abstract index.openIndexReader();
> There is some bonus material that use this:
> * Decorators for
> * Index
> * InterfaceIndexWriter
> * IndexReader
> * IndexSearcher
>
> * NotifiableIndex, adds notification of changes to any Index.
> * CreateListener
> * DeleteListener
> * OptimizationListener (not implemented)
> * ContentUpdateListener, reacts to any change of the index. Optimized for
> some implementations.
> * AutofreshedSearcher, contains a searcher that is always up to date with the
> index and have a buffer with old searchers that will be closed when nobody is
> using them anymore (hopefully).
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