Adding new terms and re-indexing the document is the desired behavior.
One (non-scalable) solution would be to parse the toString of the
termFreqVector (freq {myTermField: red/2, green/1, blue/1}) and create a
new string representation of the expanded terms: (red red green blue)
This obviously isn't a good solution. Finding a way to simply do a
document.addTerm("red"); and then re-indexing would be ideal.
> Is your intent to persist the changed vector somehow or just use it in
> your application for the immediate search?
>
> TermFreqVector is an interface, so if you aren't persisting, I would
> write a wrapper class around the one that is returned by Lucene that has
> add/set methods on it for manipulating the underlying vector and pass
> that around in your application. Other option, is to get the source and
> modify the TermFreqVector for your needs.
>
> Persistance is a bit harder, but would probably involve manipulating
> the document and then re-indexing it so that it's new vector has the
> updated frequencies by adding some dummy terms onto the document.
>
> Is that what you are looking for?
>
>>>> [EMAIL PROTECTED] 5/30/2005 12:37:54 PM >>>
>
> How would one go about adding additional terms to a field which is not
>
> stored literally, but instead has a termFreqVector? For example:
>
> If DocumentA was indexed originally with:
> myTermField: red green blue
>
> termFreqVector would look like:
> freq {myTermField: red/1, green/1, blue/1}
>
> Now, I'd like to add some more terms (red, yellow) and desire the
> termFreqVector to look like this:
> freq {myTermField: red/2, green/1, blue/1, yellow/1}
>
> It would seem like there would be a covenant way of accomplishing this,
>
> but I must be missing something.
>
> Any advice would be greatly appreciated!
>
>
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