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Subject: RE: Reusing an IndexWriter ?
From: Guilherme Barile <gui@prosoma.com.br>
To: Lucene Users List <lucene-user@jakarta.apache.org>
In-Reply-To: <20030521192301.91422.qmail@web12701.mail.yahoo.com>
References: <20030521192301.91422.qmail@web12701.mail.yahoo.com>
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Message-Id: <1053548712.9062.57.camel@gui>
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Date: 21 May 2003 17:25:13 -0300
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I just finished changing my main class (which wraps lucene methods). Now
I close my indexwriter every time I finish indexing, I also open/close
my IndexReader and Searcher every time I search. Seem to be working. 
As a curiosity, how would lucene work in a multi-user environment ?
(multiple users indexing information at the same time on the same index)
Did anyone ever wrote an IndexWriter connection pooler ?

Thanks a lot (again)

gui

On Wed, 2003-05-21 at 16:23, Otis Gospodnetic wrote:
> --- Guilherme Barile <gui@prosoma.com.br> wrote:
> > But if I start both an IndexReader and an IndexWriter on the program
> > startup, and add documents to the index without closing it, the
> > reader
> > wouldn't be able to search it, will it ?
> 
> Correct.
> 
> > Can anyone show me the "safe way" do to it ?
> 
> Close the InderWriter when you are done indexing, and re-open
> IndexReader/Searcher when you detect that the index changed in order to
> 'see' new documents.
> 
> Otis
> 
> 
> > thanks
> > 
> > On Wed, 2003-05-21 at 12:44, Aviran Mordo wrote:
> > > You can create one instance of Container in your main application
> > and
> > > reuse it. Just don't forget to add a close method to it (Container)
> > so
> > > you can close the writer after you are done doing all the work.
> > > 
> > > Aviran
> > > 
> > > -----Original Message-----
> > > From: Guilherme Barile [mailto:gui@prosoma.com.br] 
> > > Sent: Wednesday, May 21, 2003 11:20 AM
> > > To: Lucene Users List
> > > Subject: RE: Reusing an IndexWriter ?
> > > 
> > > 
> > > Probably, but not the way I'm using it.
> > > I created a Container class that wraps lucene methods, I call it
> > using
> > > myindex = new Container(File); where File is the directory where
> > the
> > > index resides.
> > > 
> > > On Container's constructor, I create a writer and a reader, but I
> > guess
> > > I'll have to open a reader every time I search and a writer every
> > time I
> > > write to it, am I right ?
> > > 
> > > thanks again
> > > 
> > > gui
> > > 
> > > On Wed, 2003-05-21 at 11:35, Aviran Mordo wrote:
> > > > You can keep the IndexWriter open until you quit the indexing 
> > > > application. Then you'll need to close it.
> > > > 
> > > > Aviran
> > > > 
> > > > -----Original Message-----
> > > > From: Guilherme Barile [mailto:gui@prosoma.com.br]
> > > > Sent: Wednesday, May 21, 2003 9:55 AM
> > > > To: Lucene
> > > > Subject: Reusing an IndexWriter ?
> > > > 
> > > > 
> > > > Hello
> > > > 	I just started using Lucene, and I'm writing a simple program
> > > (swing
> > > > interface) that adds files to an index (I'm not searching that
> > index
> > > > yet).
> > > > 	In my main frame, I click a button, a FileChooser appears and I
> > > > add the contents of the chosen file to this index... now, after
> > adding
> > > > this document, do I have to close my IndexWriter object ?
> > > > 
> > > > 	I just added a file and that's what I found on my index dir:
> > > > 
> > > > total 4
> > > > -rw-r--r--    1 guigouz  users           8 May 21 10:49 segments
> > > > -rw-r--r--    1 guigouz  users           0 May 21 10:49
> > write.lock
> > > > 
> > > > 	Isn't there some method to writeout the index without closing
> > > the 
> > > > IndexWriter ?
> > > > 
> > > > thanks in advance
> > > > 
> > > > gui
> > > > 
> > > > 
> > > >
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