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From Darren Govoni <dar...@ontrenet.com>
Subject Re: InstantiatedIndex help
Date Sun, 16 Nov 2008 17:37:42 GMT
Yeah. That makes sense. Its not too hard to wrap those extra steps so I
can end up with something simpler too. Like:

iindex = InstantiatedIndex("path/to/my/index")

I'm lazy so the intermediate hoops to jump through clutter my code.
Hehe.

:)

Darren

On Sun, 2008-11-16 at 11:46 -0500, Mark Miller wrote:
> Can you start with an empty index? Then how about:
> 
> // Adding these
> 
>     iindex = InstantiatedIndex()
>     ireader = iindex.indexReaderFactory()
>     isearcher = IndexSearcher(ireader)
> 
> If you want a copy from another IndexReader though, you have to get that reader from
somewhere right?
> 
> - Mark 
> 
> 
> 
> Darren Govoni wrote:
> > Hi Mark,
> >   Thanks for the tips. Here's what I will try (psuedo-code)
> >
> >     endirectory = RAMDirectory("index/dictionary.en")
> >     ensearcher = IndexSearcher(endirectory)
> >     // Adding these
> >     reader = ensearcher.getIndexReader()
> >     iindex = InstantiatedIndex(reader)
> >     ireader = iindex.indexReaderFactory()
> >     isearcher = IndexSearcher(ireader)
> >
> > Kind of round about way to get an InstantiatedIndex I guess,but maybe
> > there's a briefer way?
> >
> > Thank you.
> > Darren
> >
> > On Sun, 2008-11-16 at 10:50 -0500, Mark Miller wrote:
> >   
> >> Check out the docs at: 
> >> http://lucene.apache.org/java/2_4_0/api/contrib-instantiated/index.html
> >>
> >> There is a performance graph there to check  out.
> >>
> >> The code should be fairly straightforward - you can make an 
> >> InstantiatedIndex thats empty, or seed it with an IndexReader. Then you 
> >> can make an InstantiatedReader or Writer, which take the 
> >> InstantiatedIndex as a constructor arg.
> >>
> >> You should be able to just wrap that InstantiatedReader in a regular 
> >> Searcher.
> >>
> >> Darren Govoni wrote:
> >>     
> >>> Hi gang,
> >>>    I am trying to trace the 2.4 API to create an InstantiatedIndex, but
> >>> its rather difficult to connect directory,reader,search,index etc just
> >>> reading the javadocs. 
> >>>
> >>>     I have a (POI - plain old index) directory already and want to
> >>> create a faster InstantiatedIndex and IndexSearcher to query it like
> >>> before. What's the proper order to do this? 
> >>>
> >>> Also, if anyone has any empirical data on the performance or reliability
> >>> of InstantiatedIndex, I'd be curious.
> >>>
> >>> Thanks for the tips!
> >>> Darren
> >>>
> >>>
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> >>>       
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> >>     
> >
> >
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> >
> >   
> 
> 
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