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QueryTermExtractor (Lucene 2.1.0 API)
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org.apache.lucene.search.highlight</FONT>
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Class QueryTermExtractor</H2>
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<DT>public final class <B>QueryTermExtractor</B><DT>extends <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></DL>
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Utility class used to extract the terms used in a query, plus any weights. This class will not find terms for MultiTermQuery, RangeQuery and PrefixQuery classes so the caller must pass a rewritten query (see Query.rewrite) to obtain a list of expanded terms.
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<TD><CODE><B><A HREF="../../../../../org/apache/lucene/search/highlight/QueryTermExtractor.html#QueryTermExtractor()">QueryTermExtractor</A></B>()</CODE>
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<CODE>static <A HREF="../../../../../org/apache/lucene/search/highlight/WeightedTerm.html" title="class in org.apache.lucene.search.highlight">WeightedTerm</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/lucene/search/highlight/QueryTermExtractor.html#getIdfWeightedTerms(org.apache.lucene.search.Query, org.apache.lucene.index.IndexReader, java.lang.String)">getIdfWeightedTerms</A></B>(<A HREF="../../../../../org/apache/lucene/search/Query.html" title="class in org.apache.lucene.search">Query</A> query, <A HREF="../../../../../org/apache/lucene/index/IndexReader.html" title="class in org.apache.lucene.index">IndexReader</A> reader, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> fieldName)</CODE>
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Extracts all terms texts of a given Query into an array of WeightedTerms</TD>
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<CODE>static <A HREF="../../../../../org/apache/lucene/search/highlight/WeightedTerm.html" title="class in org.apache.lucene.search.highlight">WeightedTerm</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/lucene/search/highlight/QueryTermExtractor.html#getTerms(org.apache.lucene.search.Query)">getTerms</A></B>(<A HREF="../../../../../org/apache/lucene/search/Query.html" title="class in org.apache.lucene.search">Query</A> query)</CODE>
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Extracts all terms texts of a given Query into an array of WeightedTerms</TD>
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<CODE>static <A HREF="../../../../../org/apache/lucene/search/highlight/WeightedTerm.html" title="class in org.apache.lucene.search.highlight">WeightedTerm</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/lucene/search/highlight/QueryTermExtractor.html#getTerms(org.apache.lucene.search.Query, boolean)">getTerms</A></B>(<A HREF="../../../../../org/apache/lucene/search/Query.html" title="class in org.apache.lucene.search">Query</A> query, boolean prohibited)</CODE>
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Extracts all terms texts of a given Query into an array of WeightedTerms</TD>
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<CODE>static <A HREF="../../../../../org/apache/lucene/search/highlight/WeightedTerm.html" title="class in org.apache.lucene.search.highlight">WeightedTerm</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/lucene/search/highlight/QueryTermExtractor.html#getTerms(org.apache.lucene.search.Query, boolean, java.lang.String)">getTerms</A></B>(<A HREF="../../../../../org/apache/lucene/search/Query.html" title="class in org.apache.lucene.search">Query</A> query, boolean prohibited, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> fieldName)</CODE>
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