Class Formula

  extended by java.util.Observable
      extended by jimm.datavision.Expression
          extended by jimm.datavision.Formula
All Implemented Interfaces:
java.util.Observer, Draggable, Identity, Nameable, Writeable

public class Formula
extends Expression

A formula is a Bean Scripting Framework (BSF) script evaluated at runtime. It may contain database column values, other formulas, special values, and aggregates.

Before being evaluated, the following substitutions are made withing the evaluation string of a formula: