edu.udo.cs.yale.example
Interface DataRow

All Known Implementing Classes:

BooleanArrayDataRow, ByteArrayDataRow, DatabaseDataRow, DoubleArrayDataRow, DoubleSparseArrayDataRow, FloatArrayDataRow, FloatSparseArrayDataRow, SparseMapDataRow

public interface DataRow

This interface defines methods for all entries of ExampleTable implementations. It provides a set and get method for the data. Subclasses may use a double array, a sparse representation, a file or a database.

Version:

$Id: DataRow.java,v 2.12 2006/08/03 14:39:27 ingomierswa Exp $

Author:

Simon Fischer, Ingo Mierswa

Method Summary

void	ensureNumberOfColumns(int numberOfColumns) Ensures that neither get(i) nor put(i,v) throw a runtime exception for all 0 <= i="i" <="numberOfColumns</i">.
double	get(Attribute attribute) Returns the value stored at the given Attribute's index.
void	set(Attribute attribute, double value) Sets the value of the Attribute to value.
void	trim() Trims the number of columns to the actually needed number.

Method Detail

get

double get(Attribute attribute)

Returns the value stored at the given Attribute's index.

set

void set(Attribute attribute,
         double value)

Sets the value of the Attribute to value.

ensureNumberOfColumns

void ensureNumberOfColumns(int numberOfColumns)

Ensures that neither get(i) nor put(i,v) throw a runtime exception for all 0 <= i="i" <="numberOfColumns</i">.

trim

void trim()

Trims the number of columns to the actually needed number.