 |
Ian Lea |
at Feb 15, 2011 at 9:39 am
|
⇧ | 
| |
Or maybe WhitespaceAnalyzer. That would split a set of keywords into
a token stream if the set looked like "word1 word2 word3", without any
other processing on the keywords. Use via PerFieldAnalyzerWrapper as
Anshum says.
--
Ian.
On Tue, Feb 15, 2011 at 4:14 AM, Anshum wrote:Hi Yuhan,
By what I understand you are trying to construct an index and add a field to
it which would not be analyzed. Am I correct? You could simply declare that
field as
new Field(...... , Index.NOT_ANALYZED)
http://lucene.apache.org/java/3_0_1/api/core/org/apache/lucene/document/Field.htmlAlso, if you want to analyze it using an analyzer that is different from the
one that you'd use for the other fields, you could use the perfieldanalyzer
<snip>
analyzer = new PerFieldAnalyzerWrapper(new StandardAnalyzer(
Version.LUCENE_30));
analyzer.addAnalyzer("anotherfield", new KeywordAnalyzer());
</snip>
In the above snip, I instantiate an analyzer which by default would use the
StandardAnalyzer but for 'anotherfield' would use KeywordAnalyzer.
Hope this helps you.
--
Anshum Gupta
http://ai-cafe.blogspot.comOn Tue, Feb 15, 2011 at 2:19 AM, Yuhan Zhang wrote:
Hi all,
I am trying to index documents by phrases (multiple words) in the text, and
want to get around the StandardAnalyzer for this field. (however, I will
still
use standardAnalyzer for the other fields in the same document).
so, how should I approach it? is there a way to construct a field by
directly
providing the terms without analyzer? (by tokenstream?) which class can
construct a set of keywords into a tokenstream?
Thank you.
Yuhan
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