edu.udo.cs.yale.example
Class ResultSetDataRowReader

java.lang.Object
  edu.udo.cs.yale.example.AbstractDataRowReader
      edu.udo.cs.yale.example.ResultSetDataRowReader

All Implemented Interfaces:

DataRowReader, java.util.Iterator<DataRow>

public class ResultSetDataRowReader
extends AbstractDataRowReader

Unlike a FileDataRowReader that reads examples from a file, objects of this class read examples from a ResultSet, a data structure that is returned from a database query.

Version:

$Id: ResultSetDataRowReader.java,v 2.10 2006/03/27 13:21:58 ingomierswa Exp $

Author:

Simon Fischer, Ingo Mierswa

See Also:

DatabaseHandler, DatabaseExampleSource, KDBExampleSource

Field Summary

private Attribute[]	attributes
private static int	DONT_KNOW_YET
private int	hasNext
private static int	NO
private java.sql.ResultSet	resultSet
private static int	YES

Constructor Summary

ResultSetDataRowReader(DataRowFactory dataRowFactory, java.util.List<Attribute> attributeList, java.sql.ResultSet resultSet)
Constructor.

Method Summary

boolean	hasNext()
DataRow	next()

Methods inherited from class edu.udo.cs.yale.example.AbstractDataRowReader

getFactory, remove

Methods inherited from class java.lang.Object

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

Field Detail

attributes

private Attribute[] attributes

resultSet

private java.sql.ResultSet resultSet

DONT_KNOW_YET

private static final int DONT_KNOW_YET

See Also:

Constant Field Values

YES

private static final int YES

See Also:

Constant Field Values

NO

private static final int NO

See Also:

Constant Field Values

hasNext

private int hasNext

Constructor Detail

ResultSetDataRowReader

public ResultSetDataRowReader(DataRowFactory dataRowFactory,
                              java.util.List<Attribute> attributeList,
                              java.sql.ResultSet resultSet)

Constructor.

Parameters:

attributeList - List of attributes

resultSet - A ResultSet as returned from a database query

Method Detail

hasNext

public boolean hasNext()

next

public DataRow next()