Event Listeners

If an Iotellect Server component "wants" to know what's going on in a particular context, it starts to subscribe for events in that context. For this, it has to register a special context event listener. This listener receives a notification whenever the selected event is fired in the context.

For example, the Event Log component in Iotellect Client registers event listeners in the contexts defined by the active Event Filter. When these events are fired, the Event Log receives notifications. It uses these to display new events.

Event listeners may be dynamically added and removed during server operation.

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