dragon.ir.index

Class OnlineIndexReader

java.lang.Object

dragon.ir.index.AbstractIndexReader

dragon.ir.index.OnlineIndexReader

All Implemented Interfaces:

IndexReader

public class OnlineIndexReader
extends AbstractIndexReader

The class is used to read indexing information from memory

Copyright: Copyright (c) 2005

Company: IST, Drexel University

Version:

1.0

Author:

Davis Zhou

Field Summary

Fields

Modifier and Type	Field and Description
protected OnlineIndexer	indexer

Fields inherited from class dragon.ir.index.AbstractIndexReader

collection, collectionReader, docIndexList, docKeyList, docrelationMatrix, doctermMatrix, initialized, relationdocMatrix, relationIndexList, relationSupported, termdocMatrix, termIndexList, termKeyList

Constructor Summary

Constructors

Constructor and Description
OnlineIndexReader(OnlineIndexer indexer)
OnlineIndexReader(OnlineIndexer indexer, CollectionReader collectionReader)

Method Summary

Modifier and Type	Method and Description
protected boolean	index(Indexer indexer, CollectionReader collectionReader)
void	initialize() It is required to call this method before reading out any indexing information.
void	setCollectionReader(CollectionReader collectionReader)

Methods inherited from class dragon.ir.index.AbstractIndexReader

close, getCollection, getDoc, getDoc, getDocKey, getDocRelationMatrix, getDocTermMatrix, getIRRelation, getIRRelation, getIRTerm, getIRTerm, getIRTerm, getOriginalDoc, getOriginalDoc, getRelaitonDocMatrix, getRelationDocFrequencyList, getRelationDocIndexList, getRelationDocList, getRelationFrequencyList, getRelationIndexList, getRelationList, getTermDocFrequencyList, getTermDocIndexList, getTermDocList, getTermDocMatrix, getTermFrequencyList, getTermIndexList, getTermKey, getTermList, isRelationSupported, setIRDocKeyList, setIRTermKeyList

Methods inherited from class java.lang.Object

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

Field Detail

indexer

protected OnlineIndexer indexer

Constructor Detail

OnlineIndexReader

public OnlineIndexReader(OnlineIndexer indexer)

OnlineIndexReader

public OnlineIndexReader(OnlineIndexer indexer,
                         CollectionReader collectionReader)

Method Detail

initialize

public void initialize()

Description copied from interface: IndexReader

It is required to call this method before reading out any indexing information.

setCollectionReader

public void setCollectionReader(CollectionReader collectionReader)

index

protected boolean index(Indexer indexer,
                        CollectionReader collectionReader)