org.jfree.report.demo.conditionalgroup
Class NettoProfitFunction

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

All Implemented Interfaces:

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

public class NettoProfitFunction

extends AbstractFunction

See Also:

Serialized Form

Field Summary

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

AUTOACTIVATE_PROPERTY

Constructor Summary

NettoProfitFunction()
Creates an unnamed function.

Method Summary

java.lang.Object	getValue() Return the current expression value.
void	groupFinished(ReportEvent event) Receives notification that a group has finished.
void	reportInitialized(ReportEvent event) Receives notification that report generation initializes the current run.

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

clone, getDataRow, getDependencyLevel, getInstance, getName, getProperties, getProperty, getProperty, groupStarted, initialize, isActive, itemsAdvanced, itemsFinished, itemsStarted, reportDone, reportFinished, 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

NettoProfitFunction

public NettoProfitFunction()

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

reportInitialized

public void reportInitialized(ReportEvent event)

Receives notification that report generation initializes the current run.

The event carries a ReportState.Started state. Use this to initialize the report.

Specified by:

reportInitialized in interface ReportListener

Overrides:

reportInitialized in class AbstractFunction

Parameters:

event - The event.

groupFinished

public void groupFinished(ReportEvent event)

Receives notification that a group has finished.

Specified by:

groupFinished in interface ReportListener

Overrides:

groupFinished 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.