Dear Team,
I am on Lucene 5.4.0. We are trying to build Suggestions based on the already
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 AnalyzingInfixSuggester
to first build the suggest indexes. For this, I have specified the field name
as "Content" and provided another directory wherein the suggest indexes 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 directory.
b. Having build the suggest indexes, I wish to add more suggest indexes 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 and
additionally add new field itself to the suggester.
d. While fetching the suggestions, I am anyhow not specifying any field.
Is there a way to prepare suggest indexes field by field. (i.e. for field
"Content", I have separate suggest indexes , for field "Place" I have separate
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 = FileSystems.getDefault().getPath("D:\\",
"indexRawData");
FSDirectory phraseIndexdir = FSDirectory.open(path);
String fieldContent="Content";
Analyzer analyzerNormal = new StandardAnalyzer();
java.nio.file.Path path2 = FileSystems.getDefault().getPath(indexPath,
"Search");
FSDirectory dir2 = FSDirectory.open(path2);
aInfixSuggester=new AnalyzingInfixSuggester(dir2,analyzerNormal);
IndexReader indexReader= 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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