dragon.ir.index.sequence

Class SequenceFileReader

java.lang.Object

dragon.ir.index.sequence.SequenceFileReader

All Implemented Interfaces:

SequenceReader

public class SequenceFileReader
extends Object
implements SequenceReader

The file reader for reading sequencial data from file

Copyright: Copyright (c) 2005

Company: IST, Drexel University

Version:

1.0

Author:

Davis Zhou

Constructor Summary

Constructors

Constructor and Description
SequenceFileReader(String seqIndexFile, String seqMatrixFile)

Method Summary

Modifier and Type	Method and Description
void	close()
int[]	getSequence(int seqIndex) For example, a document or a setence could be treated as a seuqnce.
int	getSequenceLength(int seqIndex)
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

SequenceFileReader

public SequenceFileReader(String seqIndexFile,
                          String seqMatrixFile)

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

getSequenceLength

public int getSequenceLength(int seqIndex)

Specified by:

getSequenceLength in interface SequenceReader

Returns:

the length of the index-th sequence

getSequence

public int[] getSequence(int seqIndex)

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

close

public void close()

Specified by:

close in interface SequenceReader