PageItemSumFunction (classic-core 9.3.0.0-424 API)

java.lang.Object
- org.pentaho.reporting.engine.classic.core.function.AbstractExpression
- - org.pentaho.reporting.engine.classic.core.function.AbstractFunction
  - - org.pentaho.reporting.engine.classic.core.function.ItemSumFunction
    - - org.pentaho.reporting.engine.classic.core.function.PageItemSumFunction

All Implemented Interfaces:

Serializable, Cloneable, EventListener, PageEventListener, ReportListener, AggregationFunction, Expression, FieldAggregationFunction, Function
```
public class PageItemSumFunction
extends ItemSumFunction
implements PageEventListener
```
An ItemSum function, that is reset to zero on every new page.

Author:

Thomas Morgner

See Also:

Serialized Form

Field Summary
- Fields inherited from class org.pentaho.reporting.engine.classic.core.function.ItemSumFunction
  ZERO

Constructor Summary

Constructors
Constructor Description

PageItemSumFunction()
Default Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`pageFinished(ReportEvent event)`	Handles the pageFinishedEvent.
`void`	`pageStarted(ReportEvent event)`	Handles the pageStartedEvent.

Methods inherited from class org.pentaho.reporting.engine.classic.core.function.ItemSumFunction
clear, clone, getCrosstabFilterGroup, getField, getGroup, getInstance, getValue, groupStarted, itemsAdvanced, reportInitialized, setCrosstabFilterGroup, setField, setGroup, summaryRowSelection

Methods inherited from class org.pentaho.reporting.engine.classic.core.function.AbstractFunction
groupFinished, itemsFinished, itemsStarted, reportDone, reportFinished, reportStarted

Methods inherited from class org.pentaho.reporting.engine.classic.core.function.AbstractExpression
getDataRow, getDependencyLevel, getName, getReportConfiguration, getResourceBundleFactory, getRuntime, isActive, isDeepTraversing, isPreserve, setActive, setDependencyLevel, setName, setPreserve, setRuntime

Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.pentaho.reporting.engine.classic.core.function.Expression
getDataRow, getDependencyLevel, getName, getReportConfiguration, getResourceBundleFactory, getRuntime, isActive, isDeepTraversing, isPreserve, setDependencyLevel, setName, setRuntime

Methods inherited from interface org.pentaho.reporting.engine.classic.core.event.ReportListener
groupFinished, itemsFinished, itemsStarted, reportDone, reportFinished, reportStarted

- Constructor Detail
  - PageItemSumFunction
```
public PageItemSumFunction()
```
    Default Constructor.
- Method Detail
  - pageStarted
```
public void pageStarted(ReportEvent event)
```
    Handles the pageStartedEvent.
    
    Specified by:
    
    pageStarted in interface PageEventListener
    
    Parameters:
    
    event - the report event.
  - pageFinished
```
public void pageFinished(ReportEvent event)
```
    Handles the pageFinishedEvent. This method is emtpy and only here as implementation side effect.
    
    Specified by:
    
    pageFinished in interface PageEventListener
    
    Parameters:
    
    event - the report event.