org.terrier.structures.postings
Interface FieldPosting

All Superinterfaces:

Posting

All Known Implementing Classes:

BlockFieldIterablePosting, BlockFieldORIterablePosting, BlockFieldPostingImpl, BlockFieldPostingInRun.bfPIRPostingIterator, FieldIterablePosting, FieldORIterablePosting, FieldPostingImpl, FieldPostingInRun.fPIRPostingIterator

public interface FieldPosting
extends Posting

Interface implemented by Posting objects that have field information recorded. Position information can be obtained from the getFieldFrequencies() method. Typically, getFieldLengths() involves a call to the DocumentIndex.

Since:

3.0

Author:

Craig Macdonald

Method Summary

int[]	getFieldFrequencies() Returns the frequencies of the term in each field of the document
int[]	getFieldLengths() Returns the lengths of the each fields in the current document

Methods inherited from interface org.terrier.structures.postings.Posting

asWritablePosting, getDocumentLength, getFrequency, getId, setId

Method Detail

getFieldFrequencies

int[] getFieldFrequencies()

Returns the frequencies of the term in each field of the document

getFieldLengths

int[] getFieldLengths()

Returns the lengths of the each fields in the current document