cat.lump.ir.index

Class Abstracter

java.lang.Object

cat.lump.ir.index.Abstracter

Direct Known Subclasses:

Indexer, Querier

public abstract class Abstracter
extends java.lang.Object

Contains the basic operation for indexing and querying a documents' index

Author:

albarron

Field Summary

Fields

Modifier and Type	Field and Description
protected java.lang.String	COLLECTION_FILE Name for the output documents' object file
protected cat.lump.ir.index.DocumentCollection	docCollection Internal collection of documents
protected java.lang.Boolean	INCLUDE_BOW Representations to include
protected java.lang.Boolean	INCLUDE_CNG Representations to include
protected java.lang.Boolean	INCLUDE_COG Representations to include
protected java.lang.Boolean	INCLUDE_WNG Representations to include
protected java.util.Map<RepresentationType,Index>	index Inverted index used to compute similarities
protected java.lang.String[]	INDEX_FILE Prefix and suffix for the index-related files
protected java.io.File	indexPath Path to the index
protected java.util.Locale	locale Language of the index/query
protected RepresentationType[]	repType Set of representations to generate/load in the index

Constructor Summary

Constructors

Constructor and Description
Abstracter(java.util.Locale lan, java.io.File indexDir, RepresentationType[] repr) Calls the setters for language and representation type.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	loadIndex() Loads the index components (empty if new, with data if existed previously).

Methods inherited from class java.lang.Object

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

Field Detail

locale

protected java.util.Locale locale

Language of the index/query

docCollection

protected cat.lump.ir.index.DocumentCollection docCollection

Internal collection of documents

index

protected java.util.Map<RepresentationType,Index> index

Inverted index used to compute similarities

repType

protected RepresentationType[] repType

Set of representations to generate/load in the index

INCLUDE_BOW

protected java.lang.Boolean INCLUDE_BOW

Representations to include

INCLUDE_COG

protected java.lang.Boolean INCLUDE_COG

Representations to include

INCLUDE_CNG

protected java.lang.Boolean INCLUDE_CNG

Representations to include

INCLUDE_WNG

protected java.lang.Boolean INCLUDE_WNG

Representations to include

COLLECTION_FILE

protected final java.lang.String COLLECTION_FILE

Name for the output documents' object file

See Also:

Constant Field Values

INDEX_FILE

protected final java.lang.String[] INDEX_FILE

Prefix and suffix for the index-related files

indexPath

protected java.io.File indexPath

Path to the index

Constructor Detail

Abstracter

public Abstracter(java.util.Locale lan,
          java.io.File indexDir,
          RepresentationType[] repr)

Calls the setters for language and representation type. Additionally, loads the index (even if empty, for an index generation process).

Parameters:

lan -

indexDir -

repr -

Method Detail

loadIndex

protected void loadIndex()

Loads the index components (empty if new, with data if existed previously).

Parameters:

dir - index directory