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Date: Thu, 26 Nov 2009 15:09:28 +0530 (IST)
From: DHIVYA M <dhivyakrishnan87@yahoo.com>
Subject: RE: Need help regarding implementation of autosuggest using jquery
To: java-user@lucene.apache.org
In-Reply-To: <EAD332B3E650427FBB0F2780493C723D@VEGA>
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Sir,
=A0
Your suggestion was fantastic.
=A0
I tried the below mentioned code but it is showing me the entire result of =
indexed words starting from the letter that i give as input.
Ex:
if i give "fo"
am getting all the indexes from the word starting with fo upto words starti=
ng with z.
i.e. it starts displaying from the word matching the search word and ends u=
p with the last word available in the index file.
=A0
Kindly suggest me a solution for this problem
=A0
Thanks in advance,
Dhivya

--- On Wed, 25/11/09, Uwe Schindler <uwe@thetaphi.de> wrote:


From: Uwe Schindler <uwe@thetaphi.de>
Subject: RE: Need help regarding implementation of autosuggest using jquery
To: java-user@lucene.apache.org
Date: Wednesday, 25 November, 2009, 9:54 AM


Hi Dhivya,

you can iterate all terms in the index using a TermEnum, that can be
retrieved using IndexReader.terms(Term startTerm).

If you are interested in all terms from a specific field, position the
TermEnum on the first possible term in this field ("") and iterate until th=
e
field name changes. As terms in the TermEnum are first ordered by field nam=
e
then by term text (in UTF-16 order), the loop would look like this:

IndexReader reader =3D ...
String field =3D ....
Field =3D field.intern(); // important for the while loop
TermEnum tenum =3D reader.terms(new Term(field,""));
try {
=A0=A0=A0 do {
=A0=A0=A0 =A0=A0=A0 final Term term =3D tenum.term();
=A0=A0=A0 =A0=A0=A0 if (term=3D=3Dnull || term.field()!=3Dfield) break;
=A0=A0=A0 =A0=A0=A0 final String termText =3D term.text();
=A0=A0=A0 =A0=A0=A0 // do something with the termText
=A0=A0=A0 } while (tenum.next());
} finally {
=A0=A0=A0 tenum.close();
}


-----
Uwe Schindler
H.-H.-Meier-Allee 63, D-28213 Bremen
http://www.thetaphi.de
eMail: uwe@thetaphi.de


> -----Original Message-----
> From: DHIVYA M [mailto:dhivyakrishnan87@yahoo.com]
> Sent: Wednesday, November 25, 2009 8:06 AM
> To: java user
> Subject: Need help regarding implementation of autosuggest using jquery
>=20
> Hi all,
>=20
> Am using lucene 2.3.2 as a search engine in my e-paper site. So that i
> want the user to search the news. I achieved that objective but now am
> trying to implement autosuggest so that user can pick a choice from the
> drop down and no need of typing in the entire sentence or so.
>=20
> I have download Jquery for this purpose=A0and am trying to implement it.
> The collections of data to refer for the suggestion is given in an
> arraylist or jus with in a string.
>=20
> But for my application, i need to populate the suggestions with the
> indexed words available in the index file created during indexing
> operation.
>=20
> Can anyone give an idea to read the contents from the index file and make
> it available as suggestions? or anyother idea to achieve this objective?
>=20
> Thanks in advance,
> Dhivya
>=20
>=20
>=A0 =A0 =A0=A0=A0The INTERNET now has a personality. YOURS! See your Yahoo=
! Homepage.
> http://in.yahoo.com/


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=0A=0A=0A      The INTERNET now has a personality. YOURS! See your Yahoo! H=
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