Gate node that resume or stop the streaming data
- class timeflux.nodes.gate.Gate(event_opens, event_closes, event_label='label', truncate=False)
Data-gate based on event triggers.
This node cuts off or puts through data depending on event triggers It has 3 operating mode/status: - silent: the node waits for an opening trigger in the events and returns nothing - opened: the node waits for a closing trigger in the events and free pass the data - closed: the node has just received a closing trigger, so free pass the data and resets its state.
It continuously iterates over events data to update its operating mode.
event_opens (string) – The marker name on which the gate open.s
event_closes (string) – The marker name on which the the gate closes.
event_label (string) – The column to match for event_trigger.
Todo: allow for multiple input ports.
Instantiate the node.
Update the input and output ports.