org.terrier.structures.merging
Class BlockStructureMerger

java.lang.Object
  org.terrier.structures.merging.StructureMerger
      org.terrier.structures.merging.BlockStructureMerger

public class BlockStructureMerger
extends StructureMerger

This class merges two sets of data structures (ie direct index, inverted index, document index, lexicon and statistics), created by Terrier with position information (blocks) and possibly field information, into one set of data structures.

Author:

Vassilis Plachouras and Craig Macdonald

See Also:

StructureMerger

Field Summary

Fields inherited from class org.terrier.structures.merging.StructureMerger

basicDirectIndexPostingIteratorClass, basicInvertedIndexPostingIteratorClass, destIndex, directFileInputClass, directFileInputStreamClass, directFileOutputStreamClass, fieldDirectFileOutputStreamClass, fieldDirectIndexPostingIteratorClass, fieldInvertedFileOutputStreamClass, fieldInvertedIndexPostingIteratorClass, invertedFileInputClass, invertedFileInputStreamClass, invertedFileOutputStreamClass, keepTermCodeMap, logger, MetaReverse, numberOfDocuments, numberOfPointers, numberOfTerms, srcIndex1, srcIndex2, termcodeHashmap

Constructor Summary

BlockStructureMerger(Index _srcIndex1, Index _srcIndex2, Index _destIndex)
constructor

Method Summary

static void

main(String[] args) usage: java org.terrier.structures.merging.BlockStructureMerger [binary bits] [inverted file 1] [inverted file 2] [output inverted file]

Methods inherited from class org.terrier.structures.merging.StructureMerger

createLexidFile, getInterfaces, mergeDirectFiles, mergeDocumentIndexFiles, mergeInvertedFiles, mergeStructures, setOutputIndex

Methods inherited from class java.lang.Object

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

Constructor Detail

BlockStructureMerger

public BlockStructureMerger(Index _srcIndex1,
                            Index _srcIndex2,
                            Index _destIndex)

constructor

Parameters:

_srcIndex1 -

_srcIndex2 -

_destIndex -

Method Detail

main

public static void main(String[] args)

usage: java org.terrier.structures.merging.BlockStructureMerger [binary bits] [inverted file 1] [inverted file 2] [output inverted file]