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Reply-To: java-user@lucene.apache.org
From: <Ankit.Murarka@ril.com>
To: <java-user@lucene.apache.org>
Subject: Problem with Analyzing Infix Suggester for Multiple Indexes.
Thread-Topic: Problem with Analyzing Infix Suggester for Multiple Indexes.
Thread-Index: AdGgQa6ksi4ViZ0KRqyz9Se5ElpO/Q==
Date: Wed, 27 Apr 2016 05:00:18 +0000
Message-ID: <6d86c5e8c6224139aaa81a283fd717fe@SHYDEXMBX05.in.ril.com>
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Dear Team,

I am on Lucene 5.4.0.  We are trying to build Suggestions based on the alre=
ady Indexed Data. (Say I have indexed field "Content") and the indexes are =
available on the file server.

Now, in order to use the suggestion feature, I am using AnalyzingInfixSugge=
ster to first build the suggest indexes. For this, I have specified the fie=
ld name as "Content" and provided another directory wherein the suggest ind=
exes will be generated.

My problem starts from here:


a.       The already indexed data contains two fields ("Content" and "Place=
"). I want to build suggest indexes on both the fields and in the same dire=
ctory.

b.      Having build the suggest indexes, I wish to add more suggest indexe=
s on 3rd field or the existing 3 fields itself (Everytime I try to do this,=
 it removes the old indexes.

c.       No matter what I do, I am not able to understand how can I keep on=
 updating the suggest indexes with new data for 2 fields described above an=
d additionally add new field itself to the suggester.

d.      While fetching the suggestions, I am anyhow not specifying any fiel=
d. Is there a way to prepare suggest indexes field by field. (i.e. for fiel=
d "Content", I have separate suggest indexes , for field "Place" I have sep=
arate suggest indexes, but all of them inside the same directory. And a way=
 to specify to get suggestions from a specific field.)

Code Snippet for Building Suggest Indexes:

java.nio.file.Path path =3D FileSystems.getDefault().getPath("D:\\", "index=
RawData");
FSDirectory phraseIndexdir =3D FSDirectory.open(path);
String fieldContent=3D"Content";
Analyzer analyzerNormal =3D new StandardAnalyzer();
java.nio.file.Path path2 =3D FileSystems.getDefault().getPath(indexPath, "S=
earch");
FSDirectory dir2 =3D FSDirectory.open(path2);
aInfixSuggester=3Dnew AnalyzingInfixSuggester(dir2,analyzerNormal);
IndexReader indexReader=3D DirectoryReader.open(phraseIndexdir);
aInfixSuggester.build(new LuceneDictionary(indexReader, fieldContent));

Closing all open resources

While searching, I specify the Search directory path as mentioned in path2 =
above, and get the suggestions by firing the lookup.

Would appreciate some guidance in this regard.

Regards,
Ankit


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