csheets.core.formula.lang

Class Attribution

java.lang.Object

csheets.core.formula.lang.Attribution

All Implemented Interfaces:

BinaryOperator, Operator, Serializable

public class Attribution
extends Object
implements BinaryOperator

The attribution operator := (exclusive for the SignNumber language).

Author:

João Carreira

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Attribution() Creates a new attribution operator.

Method Summary

Methods

Modifier and Type	Method and Description
Value	applyTo(Expression leftOperand, Expression rightOperand) applies attribution given a right and left operand
String	getIdentifier() returns identifier
Value.Type	getOperandValueType() Returns the type of value that the operator's operands can have.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Attribution

public Attribution()

Creates a new attribution operator.

Method Detail

applyTo

public Value applyTo(Expression leftOperand,
            Expression rightOperand)
              throws IllegalValueTypeException

applies attribution given a right and left operand

Specified by:

applyTo in interface BinaryOperator

Parameters:

leftOperand - the operand on the left

rightOperand - the operand on the right

Returns:

returns the return of right operand evaluation

Throws:

IllegalValueTypeException

getIdentifier

public String getIdentifier()

returns identifier

Specified by:

getIdentifier in interface Operator

Returns:

identifier

getOperandValueType

public Value.Type getOperandValueType()

Description copied from interface: Operator

Returns the type of value that the operator's operands can have.

Specified by:

getOperandValueType in interface Operator

Returns:

the type of value that the operator's operands can have