org.jfree.report.demo.conditionalgroup
Class TriggerNestedGroupFunction

java.lang.Object
  org.jfree.report.function.AbstractFunction
      org.jfree.report.demo.conditionalgroup.TriggerNestedGroupFunction

All Implemented Interfaces:

java.lang.Cloneable, java.util.EventListener, Expression, Function, ReportListener, java.io.Serializable

public class TriggerNestedGroupFunction

extends AbstractFunction

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.jfree.report.function.Expression

AUTOACTIVATE_PROPERTY

Constructor Summary

TriggerNestedGroupFunction()
Creates an unnamed function.

Method Summary

java.lang.Object	getValue() Return the current expression value.
void	groupStarted(ReportEvent event) Receives notification that a group has started.

Methods inherited from class org.jfree.report.function.AbstractFunction

clone, getDataRow, getDependencyLevel, getInstance, getName, getProperties, getProperty, getProperty, groupFinished, initialize, isActive, itemsAdvanced, itemsFinished, itemsStarted, reportDone, reportFinished, reportInitialized, reportStarted, setDataRow, setDependencyLevel, setName, setProperties, setProperty

Methods inherited from class java.lang.Object

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

Constructor Detail

TriggerNestedGroupFunction

public TriggerNestedGroupFunction()

Creates an unnamed function. Make sure the name of the function is set using AbstractFunction.setName(java.lang.String) before the function is added to the report's function collection.

Method Detail

groupStarted

public void groupStarted(ReportEvent event)

Receives notification that a group has started.

Specified by:

groupStarted in interface ReportListener

Overrides:

groupStarted in class AbstractFunction

Parameters:

event - the event.

getValue

public java.lang.Object getValue()

Return the current expression value.

The value depends (obviously) on the expression implementation.

Returns:

the value of the function.