net.sourceforge.nrl.parser.ast.constraints
Interface INotExistsStatement
- All Superinterfaces:
- IConstraint, INRLAstNode
- All Known Implementing Classes:
- NotExistsStatementImpl
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
- Author:
- Christian Nentwich
getElement
IModelReference getElement()
- Return the element that has been declared as non-existant. Will never
return null.
- Returns:
- the element
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