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

Returns the root node for the given event type, or null if this event type has not been seen before.

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

Syntax

Visual Basic (Declaration)
Public ReadOnly Property Item ( _
	eventType As EventType _
) As FilterCallbackSetNode
C#
public FilterCallbackSetNode this [
	EventType eventType
] { get; }
Visual C++
public:
property FilterCallbackSetNode^ default[EventType^ eventType] {
	FilterCallbackSetNode^ get (EventType^ eventType);
}

Parameters

eventType
net.esper.events.EventType
is an event type

Return Value

the subtree's root node