Package net.sf.jasperreports.data.random

Class RandomDataSource

java.lang.Object

net.sf.jasperreports.data.random.RandomDataSource

All Implemented Interfaces:

JRDataSource, JRRewindableDataSource

public class RandomDataSource
extends Object
implements JRRewindableDataSource

Author:

Lucian Chirita (lucianc@users.sourceforge.net)

Constructor Summary

Constructors

Constructor	Description
RandomDataSource(int count)

Method Summary

Modifier and Type	Method	Description
Object	getFieldValue(JRField field)	Gets the field value for the current position.
void	moveFirst()	Moves back to the first element in the data source.
boolean	next()	Tries to position the cursor on the next element in the data source.

Methods inherited from class java.lang.Object

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

Constructor Detail

RandomDataSource

public RandomDataSource(int count)

Method Detail

next

public boolean next()
             throws JRException

Description copied from interface: JRDataSource

Tries to position the cursor on the next element in the data source.

Specified by:

next in interface JRDataSource

Returns:

true if there is a next record, false otherwise

Throws:

JRException - if any error occurs while trying to move to the next element

getFieldValue

public Object getFieldValue(JRField field)
                     throws JRException

Description copied from interface: JRDataSource

Gets the field value for the current position.

Specified by:

getFieldValue in interface JRDataSource

Returns:

an object containing the field value. The object type must be the field object type.

Throws:

JRException

moveFirst

public void moveFirst()
               throws JRException

Description copied from interface: JRRewindableDataSource

Moves back to the first element in the data source.

Specified by:

moveFirst in interface JRRewindableDataSource

Throws:

JRException