Hmmm, I don't think I get it. How is it tracked during index time? I index my file earlier. Later I will open the index and perform a search. Shouldn't the frequency of each term in each document found be calculated at during the searching process?
Yonik Seeley wrote: > > The frequency is tracked at index time. It's simply a read at query > time. See TermDocs. > If you really want to understand more about the code internals of > Lucene, I'd suggest stepping through more example queries with a > debugger. > > -Yonik > > On Wed, Jul 2, 2008 at 8:49 PM, blazingwolf7 <[EMAIL PROTECTED]> > wrote: >> >> Thanks, I am clear now on that. But do anyone know where is the frequency >> of >> the term for each document calculated? I mean which class it may be in >> and >> which method? >> Thanks >> >> >> Uwe Schindler wrote: >>> >>> A VInt is the way, how integers are stored in the index file in a >>> compressed >>> and variable length manner. >>> >>> Read here: http://lucene.apache.org/java/2_3_2/fileformats.html#VInt >>> >>> ----- >>> Uwe Schindler >>> H.-H.-Meier-Allee 63, D-28213 Bremen >>> http://www.thetaphi.de >>> eMail: [EMAIL PROTECTED] >>> >>>> -----Original Message----- >>>> From: blazingwolf7 [mailto:[EMAIL PROTECTED] >>>> Sent: Wednesday, July 02, 2008 11:47 AM >>>> To: java-dev@lucene.apache.org >>>> Subject: readVInt, what is it for? >>>> >>>> >>>> Hi, >>>> >>>> I am fairly new to Lucene and is now currently going through its source >>>> code. I am currently trying to determine how Lucene calculate the >>>> frequency >>>> of a term in each document located. >>>> >>>> I encounter a method named readVInt() in IndexInput class. It seems >>>> everytime it called this method it will be able to generate the >>>> document >>>> number and the frequency of the term in each document. >>>> >>>> I am wondering how it work and fail to find and information on it on >>>> the >>>> Internet. Could anyone explain it to me? Thanks >>>> -- >>>> View this message in context: >>>> http://www.nabble.com/readVInt%2C-what-is- >>>> it-for--tp18233802p18233802.html >>>> Sent from the Lucene - Java Developer mailing list archive at >>>> Nabble.com. >>>> >>>> >>>> --------------------------------------------------------------------- >>>> To unsubscribe, e-mail: [EMAIL PROTECTED] >>>> For additional commands, e-mail: [EMAIL PROTECTED] >>> >>> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: [EMAIL PROTECTED] >>> For additional commands, e-mail: [EMAIL PROTECTED] >>> >>> >>> >> >> -- >> View this message in context: >> http://www.nabble.com/readVInt%2C-what-is-it-for--tp18233802p18249790.html >> Sent from the Lucene - Java Developer mailing list archive at Nabble.com. >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: [EMAIL PROTECTED] >> >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > -- View this message in context: http://www.nabble.com/readVInt%2C-what-is-it-for--tp18233802p18250434.html Sent from the Lucene - Java Developer mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
