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

Returns the oldest timestamp in the collection if there is at least one entry, else it returns null if the window is empty.

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

Syntax

Visual Basic (Declaration)
Public ReadOnly Property OldestTimestamp As Nullable(Of Long)
C#
public Nullable<long> OldestTimestamp { get; }
Visual C++
public:
property Nullable<long long> OldestTimestamp {
	Nullable<long long> get ();
}

Return Value

null if empty, oldest timestamp if not empty