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Superclass for filter nodes in a filter expression tree. Allow validation against stream event types and evaluation of events against filter tree.

Namespace: net.esper.eql.expression
Assembly:   NEsper (in NEsper.dll)

Syntax

Visual Basic (Declaration)
Public MustInherit Class ExprNode _
	Implements ExprValidator, ExprEvaluator
C#
public abstract class ExprNode : ExprValidator, ExprEvaluator
Visual C++
public ref class ExprNode abstract : ExprValidator, ExprEvaluator

Inheritance Hierarchy