uk.ac.gla.terrier.structures.indexing
Class UTFLexiconBuilder

java.lang.Object
  uk.ac.gla.terrier.structures.indexing.LexiconBuilder
      uk.ac.gla.terrier.structures.indexing.UTFLexiconBuilder

public class UTFLexiconBuilder
extends LexiconBuilder

Builds temporary lexicons during indexing a collection and merges them when the indexing of a collection has finished.

Version:

$Revision: 1.16 $

Author:

Craig Macdonald & Vassilis Plachouras

Constructor Summary

UTFLexiconBuilder()
Deprecated.

UTFLexiconBuilder(Index i)

UTFLexiconBuilder(java.lang.String pathname, java.lang.String prefix)
Creates an instance of the class, given the path to save the temporary lexicons.

Method Summary

void	finishedDirectIndexBuild() Processing the lexicon after finished creating the direct and document indexes.
void	finishedInvertedIndexBuild() Processing the lexicon after finished creating the inverted index.

Methods inherited from class uk.ac.gla.terrier.structures.indexing.LexiconBuilder

addDocumentTerms, addTemporaryLexicon, addTerm, createLexiconHash, createLexiconHash, createLexiconHash, createLexiconHash, createLexiconIndex, createLexiconIndex, createLexiconIndex, createLexiconIndex, flush, getFinalNumberOfTerms, main, merge

Methods inherited from class java.lang.Object

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

Constructor Detail

UTFLexiconBuilder

public UTFLexiconBuilder()

Deprecated.

A default constructor of the class. The lexicon is built in the default path and file: ApplicationSetup.TERRIER_INDEX_PATH and ApplicationSetup.TERRIER_INDEX_PREFIX respectively.

UTFLexiconBuilder

public UTFLexiconBuilder(java.lang.String pathname,
                         java.lang.String prefix)

Creates an instance of the class, given the path to save the temporary lexicons.

Parameters:

pathname - String the path to save the temporary and final lexicons.

prefix - String the filename component of the lexicons

UTFLexiconBuilder

public UTFLexiconBuilder(Index i)

Method Detail

finishedDirectIndexBuild

public void finishedDirectIndexBuild()

Processing the lexicon after finished creating the direct and document indexes.

Overrides:

finishedDirectIndexBuild in class LexiconBuilder

finishedInvertedIndexBuild

public void finishedInvertedIndexBuild()

Description copied from class: LexiconBuilder

Processing the lexicon after finished creating the inverted index.

Overrides:

finishedInvertedIndexBuild in class LexiconBuilder