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

Returns an indication of whether there are any callbacks or index nodes at all in this set.

NOTE: the client to this method must use the read-write lock of this object to lock, if required by the clientcode.

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

Syntax

Visual Basic (Declaration)
Public ReadOnly Property IsEmpty As Boolean
C#
public bool IsEmpty { get; }
Visual C++
public:
property bool IsEmpty {
	bool get ();
}

Return Value

true if there are neither indizes nor filter callbacks stored, false if either exist.