HideElementIfDataAvailableExpression (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.AbstractElementFormatFunction
    - - org.pentaho.reporting.engine.classic.core.function.HideElementIfDataAvailableExpression

All Implemented Interfaces:

Serializable, Cloneable, EventListener, PageEventListener, ReportListener, Expression, Function, LayoutProcessorFunction
```
public class HideElementIfDataAvailableExpression
extends AbstractElementFormatFunction
```
Deprecated.
Use a Style-Expression or make proper use of the No-Data-Band

This functions checks the tablemodel and shows the named band, if there is no data available.

Author:

Thomas Morgner

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

HideElementIfDataAvailableExpression()
Deprecated.

Default Constructor.

Method Summary

All Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method	Description
`protected boolean`	`evaluateElement(ReportElement e)`	Deprecated.
`Object`	`getValue()`	Deprecated. Return the current expression value.

Methods inherited from class org.pentaho.reporting.engine.classic.core.function.AbstractElementFormatFunction
getDependencyLevel, getElement, getInstance, groupFinished, groupStarted, isExecutable, itemsAdvanced, itemsFinished, itemsStarted, pageFinished, pageStarted, processBand, processFooterBands, processGroupHeaders, processHeaderBands, processRootBand, recordCacheHit, recordCacheMiss, reportCachePerformance, reportDone, reportFinished, reportInitialized, reportStarted, setElement

Methods inherited from class org.pentaho.reporting.engine.classic.core.function.AbstractFunction
summaryRowSelection

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

Methods inherited from interface org.pentaho.reporting.engine.classic.core.event.ReportListener
summaryRowSelection

- Constructor Detail
  - HideElementIfDataAvailableExpression
```
public HideElementIfDataAvailableExpression()
```
    Deprecated.
    
    Default Constructor.
- Method Detail
  - evaluateElement
```
protected boolean evaluateElement(ReportElement e)
```
    Deprecated.
    
    Specified by:
    
    evaluateElement in class AbstractElementFormatFunction
  - getValue
```
public Object getValue()
```
    Deprecated.
    
    Return the current expression value.
    The value depends (obviously) on the expression implementation.
    
    Specified by:
    
    getValue in interface Expression
    
    Overrides:
    
    getValue in class AbstractElementFormatFunction
    
    Returns:
    
    the value of the function.