org.apache.lucene.index

Class TermVectorAccessor

java.lang.Object

org.apache.lucene.index.TermVectorAccessor

public class TermVectorAccessor
extends java.lang.Object

Transparent access to the vector space model, either via TermFreqVector or by resolving it from the inverted index.

Resolving a term vector from a large index can be a time consuming process.

Warning! This class is not thread safe!

Constructor Summary

Constructors

Constructor and Description
TermVectorAccessor()

Method Summary

Modifier and Type	Method and Description
void	accept(org.apache.lucene.index.IndexReader indexReader, int documentNumber, java.lang.String fieldName, org.apache.lucene.index.TermVectorMapper mapper) Visits the TermVectorMapper and populates it with terms available for a given document, either via a vector created at index time or by resolving them from the inverted index.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TermVectorAccessor

public TermVectorAccessor()

Method Detail

accept

public void accept(org.apache.lucene.index.IndexReader indexReader,
                   int documentNumber,
                   java.lang.String fieldName,
                   org.apache.lucene.index.TermVectorMapper mapper)
            throws java.io.IOException

Visits the TermVectorMapper and populates it with terms available for a given document, either via a vector created at index time or by resolving them from the inverted index.

Parameters:

indexReader - Index source

documentNumber - Source document to access

fieldName - Field to resolve

mapper - Mapper to be mapped with data

Throws:

java.io.IOException