[This topic is pre-release documentation and is subject to change in future releases. Blank topics are included as placeholders.]

Gets or sets the EventEvaluator with the specified filter constant. Returns null if no entry found for the constant. The calling class must make sure that access to the underlying resource is protected for multi-threaded access, the ReadWriteLock method must supply a lock for this purpose.

Namespace: net.esper.filter
Assembly:   NEsper (in NEsper.dll)

Syntax

Visual Basic (Declaration)
Public MustOverride Property Item ( _
	filterConstant As Object _
) As EventEvaluator
C#
public abstract EventEvaluator this [
	Object filterConstant
] { get; set; }
Visual C++
public:
virtual property EventEvaluator^ default[Object^ filterConstant] {
	EventEvaluator^ get (Object^ filterConstant) abstract;
	void set (Object^ filterConstant, EventEvaluator^ value) abstract;
}

Parameters

filterConstant
System.Object

Field Value