Java Doc for QueryTermExtractor.java in  » ERP-CRM-Financial » sakai » org » apache » lucene » search » highlight » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » ERP CRM Financial » sakai » org.apache.lucene.search.highlight   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.lucene.search.highlight.QueryTermExtractor QueryTermExtractor final public class QueryTermExtractor (Code) 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. Method Summary final public static  WeightedTerm[] getIdfWeightedTerms(Query query, IndexReader reader, String fieldName)      final public static  WeightedTerm[] getTerms(Query query)      final public static  WeightedTerm[] getTerms(Query query, boolean prohibited, String fieldName)      final public static  WeightedTerm[] getTerms(Query query, boolean prohibited)      Method Detail getIdfWeightedTerms final public static WeightedTerm[] getIdfWeightedTerms(Query query, IndexReader reader, String fieldName)(Code) Extracts all terms texts of a given Query into an array of WeightedTerms Parameters:   query - Query to extract term texts from Parameters:   reader - used to compute IDF which can be used to a) score selectedfragments better b) use graded highlights eg chaning intensity offont color Parameters:   fieldName - the field on which Inverse Document Frequency (IDF) calculationsare based an array of the terms used in a query, plus their weights. getTerms final public static WeightedTerm[] getTerms(Query query)(Code) Extracts all terms texts of a given Query into an array of WeightedTerms Parameters:   query - Query to extract term texts from an array of the terms used in a query, plus their weights. getTerms final public static WeightedTerm[] getTerms(Query query, boolean prohibited, String fieldName)(Code) Extracts all terms texts of a given Query into an array of WeightedTerms Parameters:   query - Query to extract term texts from Parameters:   prohibited - true to extract "prohibited" terms, too Parameters:   fieldName - The fieldName used to filter query terms an array of the terms used in a query, plus their weights. getTerms final public static WeightedTerm[] getTerms(Query query, boolean prohibited)(Code) Extracts all terms texts of a given Query into an array of WeightedTerms Parameters:   query - Query to extract term texts from Parameters:   prohibited - true to extract "prohibited" terms, too an array of the terms used in a query, plus their weights. Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)