csheets.core.formula

Interface Reference

All Superinterfaces:

Comparable<Reference>, Expression, Serializable

All Known Implementing Classes:

CellReference, ReferenceOperation, RelationalOperatorImpl

public interface Reference
extends Expression, Comparable<Reference>

A reference to one or more cells in a spreadsheet.

Author:

Einar Pehrson

Method Summary

Methods

Modifier and Type	Method and Description
int	compareTo(Reference reference) Compares the reference with the given reference for order.
Value	evaluate() Evaluates the expression and returns the result.
SortedSet<Cell>	getCells() Returns the cell addresses (or address) that the reference points to.

Methods inherited from interface csheets.core.formula.Expression

accept

Method Detail

evaluate

Value evaluate()

Description copied from interface: Expression

Evaluates the expression and returns the result.

Specified by:

evaluate in interface Expression

Returns:

the result of the evaluation

getCells

SortedSet<Cell> getCells()

Returns the cell addresses (or address) that the reference points to.

Returns:

a naturally ordered set of the references' addresses

compareTo

int compareTo(Reference reference)

Compares the reference with the given reference for order.

Specified by:

compareTo in interface Comparable<Reference>

Parameters:

reference - the reference to be compared

Returns:

a negative integer, zero, or a positive integer as this object is less than, equal to, or greater than the specified object.