Text Indexing and Lookup - eXist: A NoSQL Database and Application Development Platform - page 300

java.lang.reflect.Field
Used to reference a static field from another class. For example, if there were
a static field named STOPWORDS in the class org.something.text.Common :
<param
name= "stopwords"
type= "java.lang.reflect.Field"
value= "org.something.text.CommonStopWords" />
When no type is specified, the default is assumed to be java.lang.String .
• value contains the value of the parameter, using either the <param name="a"
value="b"/> or the <value>a</value> form (when type is a java.util.Set ).
If the parameters need more than one value, use embedded value elements instead of
the value attribute (not both).
A simple example of changing the analyzer would be to tell Lucene that the text we're
going to index is in Dutch:
<lucene>
<analyzer class= "org.apache.lucene.analysis.nl.DutchAnalyzer" />
<text qname= "p" />
</lucene>
For a more advanced example of defining analyzers and passing parameters, we use
the ability of the standard analyzer to define a set of stopwords (as mentioned, these
are words to be ignored, like the , a , an , etc.). The following example changes the
default analyzer and passes it a set of stopwords in a text file:
<lucene>
<analyzer class= "org.apache.lucene.analysis.standard.StandardAnalyzer" >
<param
name= "stopwords"
type= "java.io.File"
value= "/usr/local/exist/webapp/WEB-INF/data/stopwords.txt" />
</analyzer>
<text qname= "p" />
</lucene>
Now assume you need some other element indexed also, but with a much more limi‐
ted set of stopwords. This could be accomplished by:
<lucene>
<analyzer class= "org.apache.lucene.analysis.standard.StandardAnalyzer" >
<param name= "stopwords" type= "java.io.File"
value= "/usr/local/exist/webapp/WEB-INF/data/stopwords.txt" />
</analyzer>
<analyzer id= "a2"
class= "org.apache.lucene.analysis.standard.StandardAnalyzer" >
<param
name= "stopwords"