gate.creole.annic.apache.lucene.index

Interface TermPositions

All Superinterfaces:

TermDocs

All Known Implementing Classes:

FilterIndexReader.FilterTermPositions, MultipleTermPositions

public interface TermPositions
extends TermDocs

TermPositions provides an interface for enumerating the <document, frequency, <position>* > tuples for a term.

The document and frequency are the same as for a TermDocs. The positions portion lists the ordinal positions of each occurrence of a term in a document.

See Also:

IndexReader.termPositions(gate.creole.annic.apache.lucene.index.Term)

Method Summary

Modifier and Type	Method and Description
int	nextPosition() Returns next position in the current document.

Methods inherited from interface gate.creole.annic.apache.lucene.index.TermDocs

close, doc, freq, next, read, seek, seek, skipTo

Method Detail

nextPosition

int nextPosition()
          throws IOException

Returns next position in the current document. It is an error to call this more than TermDocs.freq() times without calling TermDocs.next()

This is invalid until TermDocs.next() is called for the first time.

Throws:

IOException