Diffusion .NET Client Library
6.1.5
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Represents the abstract default value stream. More...
Public Member Functions | |
virtual void | OnValue (string topicPath, ITopicSpecification specification, TValue oldValue, TValue newValue) |
Notifies an update to a topic value from the server. More... | |
Represents the abstract default value stream.
TValue | The value type. |
This logs all calls at 'Debug' level. These implementations may be useful during development but are usually overridden to provide meaningful processing.
Since 5.8
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virtual |
Notifies an update to a topic value from the server.
topicPath | The topic path. |
specification | The topic specification. |
oldValue | The previous value, which may be null if this is the first value. |
newValue | The new value derived from the last update received from the server. |
This is also called to provide the current value for any matching topic that the client is already subscribed to when the stream is added.
Implements PushTechnology.ClientInterface.Client.Features.Topics.IValueStream< in TValue >.