keel.Dataset

Class InstanceParser

java.lang.Object

keel.Dataset.InstanceParser

public class InstanceParser
extends java.lang.Object

InstanceParser

This class is a parser for the instances. It reads an instance (a line from the data file) and returns it. It also mantain some information as the relation name.

Version:

keel0.1

Author:

Albert Orriols Puig

Constructor Summary

Constructors

Constructor and Description
InstanceParser(java.lang.String fileName, boolean _isTrain) It does create a new instance of ParserARFF.

Method Summary

Modifier and Type	Method and Description
void	close() This method closes the buffered reader used to parse the instances
int	getAttributeNum() It returns the number of attributes
java.lang.String	getHeader() It returns all the header read in parseHeader.
java.lang.String	getInstance() It returns an instance
java.lang.String	getLine() This method reads one valid line of the file.
java.lang.String	getRelation() It returns the relation name

Methods inherited from class java.lang.Object

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

Constructor Detail

InstanceParser

public InstanceParser(java.lang.String fileName,
                      boolean _isTrain)

It does create a new instance of ParserARFF.

Parameters:

fileName - is the file name of the DB file.

_isTrain - is a flag that indicates if the DB is for a train.

Method Detail

getHeader

public java.lang.String getHeader()

It returns all the header read in parseHeader.

Returns:

a string with the header information.

getRelation

public java.lang.String getRelation()

It returns the relation name

Returns:

a string with the relation name.

getInstance

public java.lang.String getInstance()

It returns an instance

Returns:

an string with the instance.

getAttributeNum

public int getAttributeNum()

It returns the number of attributes

Returns:

an integer with the number of attributes.

getLine

public java.lang.String getLine()

This method reads one valid line of the file. So, it ingores the comments, and empty lines.

Returns:

a string with the new line read.

close

public void close()

This method closes the buffered reader used to parse the instances