Package org.pipservices3.expressions.calculator.functions

Interface IFunction

All Known Implementing Classes:

DelegatedFunction

public interface IFunction

Defines an interface for expression function.

Method Summary

Modifier and Type	Method	Description
Variant	calculate(List<Variant> params, IVariantOperations variantOperations)	The function calculation method.
String	getName()	The function name.
void	setName(String value)	The function name.

Method Details

setName

void setName(String value)

The function name.

getName

String getName()

The function name.

calculate

Variant calculate(List<Variant> params,
 IVariantOperations variantOperations)
           throws ExpressionException

The function calculation method.

Parameters:

params - an array with function parameters.

variantOperations - Variants operations manager.

Returns:

the function result.

Throws:

ExpressionException