TopicLookup.GetOrAdd Method
.NET Framework 4
Namespace: Microsoft.AspNet.SignalR.Messaging
Assembly: Microsoft.AspNet.SignalR.Core (in Microsoft.AspNet.SignalR.Core.dll)
Syntax
'Declaration
Public Function GetOrAdd ( _
key As String, _
factory As Func(Of String, Topic) _
) As Topic
'Usage
Dim instance As TopicLookup
Dim key As String
Dim factory As Func(Of String, Topic)
Dim returnValue As Topic
returnValue = instance.GetOrAdd(key, factory)
public Topic GetOrAdd(
string key,
Func<string, Topic> factory
)
public:
Topic^ GetOrAdd(
String^ key,
Func<String^, Topic^>^ factory
)
member GetOrAdd :
key:string *
factory:Func<string, Topic> -> Topic
public function GetOrAdd(
key : String,
factory : Func<String, Topic>
) : Topic
Parameters
- key
Type: System.String
- factory
Type: System.Func<String, Topic>
Return Value
Type: Microsoft.AspNet.SignalR.Messaging.Topic