Event Reactor

Converters

detained_composite_event

Ensures a worker thread is scheduled for events with a detain period specified. Only one scheduled worker thread can exist at a time.

Example scenario 1:

• (00:00:00) tag=vehicle/ignition/on, detain_period=0 ->` The event is immediately passed on to the trigger
• (00:00:01) tag=vehicle/ignition/off, detain_period=5 ->` The trigger is scheduled to run in 5 seconds
• (00:00:02) tag=vehicle/ignition/on, detain_period=0 ->` The scheduled trigger is cancelled and the event is immediately passed on to the trigger

Example scenario 2:

• (00:00:00) tag=vehicle/ignition/off, detain_period=5 ->` The trigger is scheduled to run in 5 seconds
• (00:00:01) tag=vehicle/ignition/off, detain_period=5 ->` The event is enqueued to the already scheduled trigger that will run in now 4 seconds

Example scenario 3:

• (00:00:00) tag=vehicle/ignition/on, detain_period=5 ->` The trigger is scheduled to run in 5 seconds
• (00:00:01) tag=vehicle/ignition/off, detain_period=5 ->` The scheduled trigger is cancelled and and a new trigger is scheduled to run in 5 seconds

Filters

alternating_cache_event

Filter that only returns alternating/changed events from cache.

Handlers

cache

Manages cached data.

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composite_event

Creates composite events that are based on other events.

Returners

module_result_cache

Stores/caches a module result in context.

Triggers

composite_event

Triggers a composite event and updates its triggered at timestamp.