Class UnaryValueOperator

All Implemented Interfaces:
Serializable, Cloneable, GraphPatternGroupable, QueryModelNode, ValueExpr, VariableScopeChange
Direct Known Subclasses:
AbstractAggregateOperator, Datatype, IRIFunction, IsBNode, IsLiteral, IsNumeric, IsResource, IsURI, Label, Lang, Like, LocalName, Namespace, Not, Str

public abstract class UnaryValueOperator extends AbstractQueryModelNode implements ValueExpr
An abstract superclass for unary value operators which, by definition, has one argument. In special cases the argument can be null, for instance to represent the argument * in COUNT(*).
See Also: