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TermFreqVector.javaAPI DocApache Lucene 2.1.02337Wed Feb 14 10:46:40 GMT 2007org.apache.lucene.index

TermFreqVector

public interface TermFreqVector
Provides access to stored term vector of a document field.

Fields Summary
Constructors Summary
Methods Summary
public java.lang.StringgetField()

return
The field this vector is associated with.

public int[]getTermFrequencies()
Array of term frequencies. Locations of the array correspond one to one to the terms in the array obtained from getTerms method. Each location in the array contains the number of times this term occurs in the document or the document field.

public java.lang.String[]getTerms()

return
An Array of term texts in ascending order.

public intindexOf(java.lang.String term)
Return an index in the term numbers array returned from getTerms at which the term with the specified term appears. If this term does not appear in the array, return -1.

public int[]indexesOf(java.lang.String[] terms, int start, int len)
Just like indexOf(int) but searches for a number of terms at the same time. Returns an array that has the same size as the number of terms searched for, each slot containing the result of searching for that term number.

param
terms array containing terms to look for
param
start index in the array where the list of terms starts
param
len the number of terms in the list

public intsize()

return
The number of terms in the term vector.