net.sourceforge.nrl.parser.ast.constraints
Interface INotExistsStatement

All Superinterfaces:

IConstraint, INRLAstNode

public interface INotExistsStatement
extends IConstraint

A constraint that expresses that an attribute does not exist, or a collection is empty.

Abstract syntax reference: NotExistsStatement ::= notexists element:ModelReference

Field Summary

Fields inherited from interface net.sourceforge.nrl.parser.ast.INRLAstNode

NEWLINE

Method Summary

IModelReference

getElement() Return the element that has been declared as non-existant.

Methods inherited from interface net.sourceforge.nrl.parser.ast.constraints.IConstraint

getNRLDataType, setNRLDataType

Methods inherited from interface net.sourceforge.nrl.parser.ast.INRLAstNode

accept, dump, getColumn, getLine, getUserData, setUserData

Method Detail

getElement

IModelReference getElement()

Return the element that has been declared as non-existant. Will never return null.

Returns:

the element