csheets.core.formula
Interface BinaryOperator

All Superinterfaces:

Operator, Serializable

All Known Implementing Classes:

Adder, Concatenator, Divider, Equal, Exponentiator, GreaterThan, GreaterThanOrEqual, LessThan, LessThanOrEqual, Multiplier, NotEqual, RangeReference, RelationalOperator, Subtracter

public interface BinaryOperator
extends Operator

A binary operator in a formula.

Author:

Einar Pehrson

Method Summary

Value

applyTo(Expression leftOperand, Expression rightOperand) Applies the operator to the given operands and returns the result.

Methods inherited from interface csheets.core.formula.Operator

getIdentifier, getOperandValueType

Method Detail

applyTo

Value applyTo(Expression leftOperand,
              Expression rightOperand)
              throws IllegalValueTypeException

Applies the operator to the given operands and returns the result.

Returns:

the result of the operation

Throws:

IllegalValueTypeException - if the value of an operand is not of the expected type