dragon.ir.index
Class BasicIRDocIndexList

java.lang.Object
  |
  +--dragon.ir.index.BasicIRDocIndexList

All Implemented Interfaces:

IRDocIndexList

public class BasicIRDocIndexList

extends java.lang.Object

implements IRDocIndexList

The class is used to write or load the indexing information for a given document or document set

Copyright: Copyright (c) 2005

Company: IST, Drexel University

Version:

1.0

Author:

Davis Zhou

Constructor Summary

BasicIRDocIndexList(java.lang.String filename, boolean writingMode)

Method Summary

boolean	add(IRDoc curDoc) Adds an IRDoc object to the index list
void	close() Releases occupied resources
IRDoc	get(int index) Gets the IRDoc specified by its index
int	size() Gets the number of documents in the list.

Methods inherited from class java.lang.Object

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

Constructor Detail

BasicIRDocIndexList

public BasicIRDocIndexList(java.lang.String filename,
                           boolean writingMode)

Method Detail

get

public IRDoc get(int index)

Description copied from interface: IRDocIndexList

Gets the IRDoc specified by its index

Specified by:

get in interface IRDocIndexList

Parameters:

index - the index of the document

Returns:

the IRDoc object

add

public boolean add(IRDoc curDoc)

Description copied from interface: IRDocIndexList

Adds an IRDoc object to the index list

Specified by:

add in interface IRDocIndexList

Parameters:

curDoc - the IRDoc for adding

Returns:

true if added successfully.

close

public void close()

Description copied from interface: IRDocIndexList

Releases occupied resources

Specified by:

close in interface IRDocIndexList

size

public int size()

Description copied from interface: IRDocIndexList

Gets the number of documents in the list.

Specified by:

size in interface IRDocIndexList

Returns:

the number of documents in the list.