org.pentaho.reporting.engine.classic.core.function
Interfaces 
AggregationFunction
Expression
ExpressionRuntime
FieldAggregationFunction
Function
LayoutProcessorFunction
OutputFunction
ProcessingContext
StructureFunction
ValidateableExpression
Classes 
AbstractCompareExpression
AbstractElementFormatFunction
AbstractExpression
AbstractFunction
AverageExpression
ColumnAggregationExpression
ColumnAverageExpression
ColumnDifferenceExpression
ColumnDivisionExpression
ColumnMaximumExpression
ColumnMinimumExpression
ColumnMultiplyExpression
ColumnSumExpression
CompareFieldsExpression
ConditionalItemSumFunction
ConvertToDateExpression
ConvertToNumberExpression
CountDistinctFunction
CreateGroupAnchorsFunction
CreateHyperLinksFunction
DateCutExpression
ElementColorFunction
ElementTrafficLightFunction
ElementVisibilityFunction
ElementVisibilitySwitchFunction
EventMonitorFunction
ExpressionCollection
ExpressionUtilities
FormulaExpression
FormulaFunction
FunctionUtilities
GenericExpressionRuntime
GroupCountFunction
HideElementByNameFunction
HideElementIfDataAvailableExpression
HideNullValuesFunction
HidePageBandForTableExportFunction
IsEmptyExpression
IsNullExpression
ItemAvgFunction
ItemColumnQuotientExpression
ItemCountFunction
ItemHideFunction
ItemMaxFunction
ItemMinFunction
ItemPercentageFunction
ItemSumFunction
NegativeNumberPaintChangeFunction
PageFunction
PageItemCountFunction
PageItemSumFunction
PageOfPagesFunction
PageTotalFunction
PaintComponentFunction
PaintDynamicComponentFunction
PercentageExpression
ReportFormulaContext
RowBandingFunction
ShowElementByNameFunction
ShowElementIfDataAvailableExpression
TextFormatExpression
TotalCalculationFunction
TotalGroupCountFunction
TotalGroupSumFunction
TotalGroupSumQuotientFunction
TotalGroupSumQuotientPercentFunction
TotalItemCountFunction
TotalItemMaxFunction
TotalItemMinFunction
TotalPageItemCountFunction
TriggerPageFooterFunction
WrapperExpressionRuntime
Exceptions 
FunctionProcessingException