Thank you for your help!
But it doesn't work that way!!
My code is:
IndexReader reader = IndexReader.open(dir);
for (int i=0; i<reader.numDocs(); i++) {
Document doc =reader.document(i);
String path = doc.get("path");
File file = new File(path);
if (!file.exists()) reader.delete(i);
}
reader.close();
So... but it doesn't delete the documents by the first start!
I mean if i say
if (!file.exists()) System.out.println(path);
i get all documents which are not in the directory
but if i say reader.delete(i) it deletes in first run
for example only 12 of 20 documents (it's different)!!
> --- Ursprüngliche Nachricht ---
> Von: "Mordo, Aviran (EXP N-NANNATEK)" <[EMAIL PROTECTED]>
> An: java-user@lucene.apache.org
> Betreff: RE: UpdateIndex
> Datum: Mon, 29 Aug 2005 10:30:18 -0400
>
> No, just at the end of the delete loop get a new reader instance.
>
> Aviran
> http://www.aviransplace.com
>
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> Sent: Monday, August 29, 2005 10:10 AM
> To: java-user@lucene.apache.org
> Subject: RE: UpdateIndex
>
> for (int i=0; i<reader.numDocs(); i++) {
> Document doc =reader.document(i);
> String path = doc.get("path");
> File file = new File(path);
> long dl = Long.parseLong(doc.get("date"));
> long fl = new File(path).lastModified();
>
> if (!file.exists()) {reader.delete(i);}
>
> }
>
> i need a new IndexReader for each i?
>
>
> > --- Ursprüngliche Nachricht ---
> > Von: "Mordo, Aviran (EXP N-NANNATEK)" <[EMAIL PROTECTED]>
> > An: java-user@lucene.apache.org
> > Betreff: RE: UpdateIndex
> > Datum: Mon, 29 Aug 2005 09:28:59 -0400
> >
> > After you delete / add documents, you need to get a new IndexReader
> > instance to reflect the changes.
> >
> > HTH
> >
> > Aviran
> > http://www.aviransplace.com
> >
> > -----Original Message-----
> > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> > Sent: Monday, August 29, 2005 7:32 AM
> > To: java-user@lucene.apache.org
> > Subject: Re: UpdateIndex
> >
> > Hi,
> >
> > over again a question about updating!
> > I update my index by first deletion all the documents from index which
> > are not anymore in the document directories, then i delete all
> > documents >from index which have changed and at last i add all
> > documents to the index which are not in the index but in the document
> directories!!!
> > But i is like that... that all works very good!
> > But the problem is that it doesn't find all documents to add or delete
> > by the first running!!! For example i deleted 12 documents from the
> > directory or i changed them. If i start the application it delete only
> > 7 >from
> index.
> > If i start the application again it delete the other rest!!! But why?
> >
> > Why doesn't do it by the first time!!!?
> >
> > Thanks in forward!
> > Bye
> >
> > --
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