org.terrier.structures.indexing.singlepass

Class BlockFieldPosting

java.lang.Object

org.terrier.structures.indexing.singlepass.Posting

org.terrier.structures.indexing.singlepass.BlockPosting

org.terrier.structures.indexing.singlepass.BlockFieldPosting

public class BlockFieldPosting
extends BlockPosting

Class representing a posting list in memory containing fields and block iformation. It keeps the information for tf, df, field and the sequence [doc, idf, bockNo [blockId]]

Author:

Roi Blanco

Field Summary

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

docIds, lastInt, Nt, TF

Constructor Summary

Constructors

Constructor and Description
BlockFieldPosting()

Method Summary

Methods

Modifier and Type	Method and Description
int	insert(int doc, int freq, int[] fieldFreqs, int[] blockids) Writes the document to the MemorySBOS
int	writeFirstDoc(int doc, int frequency, int[] fieldFreqs, int[] blockids) Writes out the first document to the MemorySBOS.

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

insert, writeFirstDoc

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

getDocF, getDocs, getSize, getTF, insert, setDocF, setDocs, setTF, writeFirstDoc

Methods inherited from class java.lang.Object

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

Constructor Detail

BlockFieldPosting

public BlockFieldPosting()

Method Detail

writeFirstDoc

public int writeFirstDoc(int doc,
                int frequency,
                int[] fieldFreqs,
                int[] blockids)
                  throws IOException

Writes out the first document to the MemorySBOS.

Throws:

IOException

insert

public int insert(int doc,
         int freq,
         int[] fieldFreqs,
         int[] blockids)
           throws IOException

Writes the document to the MemorySBOS

Throws:

IOException