org.terrier.structures.indexing.singlepass
Class FieldsMemoryPostings

java.lang.Object
  org.terrier.structures.indexing.singlepass.MemoryPostings
      org.terrier.structures.indexing.singlepass.FieldsMemoryPostings

public class FieldsMemoryPostings
extends MemoryPostings

Class for handling posting lists containing field information in memory while indexing.

Author:

Roi Blanco

Field Summary

Fields inherited from class org.terrier.structures.indexing.singlepass.MemoryPostings

keyBytes, logger, maxSize, numPointers, postings, valueBytes

Constructor Summary

FieldsMemoryPostings()

Method Summary

void	add(String term, int doc, int frequency, int[] fieldFrequencies) Adds an occurrence of a term in a document to the posting in memory.
void	addTerms(DocumentPostingList docPostings, int docid) Add the terms in a DocumentPostingList to the postings in memory.

Methods inherited from class org.terrier.structures.indexing.singlepass.MemoryPostings

add, finish, finish, getMemoryConsumption, getPointers, getSize

Methods inherited from class java.lang.Object

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

Constructor Detail

FieldsMemoryPostings

public FieldsMemoryPostings()

Method Detail

addTerms

public void addTerms(DocumentPostingList docPostings,
                     int docid)
              throws IOException

Add the terms in a DocumentPostingList to the postings in memory.

Overrides:

addTerms in class MemoryPostings

Parameters:

docPostings - DocumentPostingList containing the term information for the denoted document.

docid - Current document Identifier.

Throws:

IOException - if an I/O error occurs.

add

public void add(String term,
                int doc,
                int frequency,
                int[] fieldFrequencies)
         throws IOException

Adds an occurrence of a term in a document to the posting in memory.

Parameters:

term - String representing the term.

doc - int containing the document identifier.

frequency - int containing the frequency of the term in the document.

fieldFrequencies - int[] contains the frequencies of the term in each field

Throws:

IOException - if an I/O error occurs.