dragon.ir.index.sequence

Class OnlineSequenceBase

java.lang.Object

dragon.ir.index.sequence.OnlineSequenceBase

All Implemented Interfaces:

SequenceReader, SequenceWriter

public class OnlineSequenceBase
extends Object
implements SequenceReader, SequenceWriter

The online sequence base information class

Copyright: Copyright (c) 2005

Company: IST, Drexel University

Version:

1.0

Author:

Davis Zhou

Constructor Summary

Constructors

Constructor and Description
OnlineSequenceBase()

Method Summary

Modifier and Type	Method and Description
boolean	addSequence(int index, int[] seq)
void	close()
int[]	getSequence(int index) For example, a document or a setence could be treated as a seuqnce.
int	getSequenceLength(int index)
void	initialize() It is required to call this method before reading out sequence information from indexing files.

Methods inherited from class java.lang.Object

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

Constructor Detail

OnlineSequenceBase

public OnlineSequenceBase()

Method Detail

initialize

public void initialize()

Description copied from interface: SequenceReader

It is required to call this method before reading out sequence information from indexing files.

Specified by:

initialize in interface SequenceReader

Specified by:

initialize in interface SequenceWriter

close

public void close()

Specified by:

close in interface SequenceReader

Specified by:

close in interface SequenceWriter

getSequence

public int[] getSequence(int index)

Description copied from interface: SequenceReader

For example, a document or a setence could be treated as a seuqnce.

Specified by:

getSequence in interface SequenceReader

Returns:

the sequence information

getSequenceLength

public int getSequenceLength(int index)

Specified by:

getSequenceLength in interface SequenceReader

Returns:

the length of the index-th sequence

addSequence

public boolean addSequence(int index,
                           int[] seq)

Specified by:

addSequence in interface SequenceWriter

Returns:

true if added successfully