com.zfqjava.formula
Interface Formula

All Known Implementing Classes:

AbstractFormula, CellFormula

public interface Formula

Method Summary

Object	evaluate(FormulaContext context) Evaluates the formula.
Object	getValue() Returns the value after the last evaluate.
Formula	normalize(FormulaContext context) Normalize this formula with the specified FormulaContext.
void	setException(Exception e) Sets the exception when evaluate the formula
String	toString() Returns the string the this formula.
String	toString(FormulaContext context) Returns the string the this formula with the specified FormulaContext.

Method Detail

evaluate

Object evaluate(FormulaContext context)

Evaluates the formula.

Parameters:

context - the formula context

Returns:

the value

getValue

Object getValue()

Returns the value after the last evaluate.

Returns:

the value

toString

String toString()

Returns the string the this formula.

Overrides:

toString in class Object

toString

String toString(FormulaContext context)

Returns the string the this formula with the specified FormulaContext.

Since:

JDataGrid 2.0

normalize

Formula normalize(FormulaContext context)

Normalize this formula with the specified FormulaContext.

Since:

JDataGrid 2.0

setException

void setException(Exception e)

Sets the exception when evaluate the formula

Since:

JDataGrid 2.0