Basic Concepts

CysTerra processes an event with the following pipeline.

flowchart LR

SourceWorker(Source worker)
ReportGenerator(Report generator)
FeatureGenerator(Feature generator)
TTSMessageGenerator(TTS message generator)
MapElementGenerator(Map element generator)
ReportPresenter{{Report list}}
MapPresenter{{Map}}
TTSPresenter{{TTS}}
SourceWorker -- event --> ReportGenerator & FeatureGenerator & TTSMessageGenerator
ReportGenerator -- report ---> ReportPresenter
FeatureGenerator -- feature --> ReportPresenter & MapElementGenerator
MapElementGenerator -- map element --> MapPresenter
TTSMessageGenerator -- TTS message ---> TTSPresenter

An event source is a source from which CysTerra retrieves geoharzard information.

An event is a whole set or a subset of information published by an event source at a time.

A source worker is a component that manages the connection to an event source and fetches events from it.

A generator is a component that generates objects of a specific type from input objects of another specific type.

A report is a summary of an event.

A report generator is a generator that generates reports from events.

A feature is a detailed representation of an event.

A feature generator is a generator that generates features from events.

A TTS message is a text message spoken by a TTS engine.

A TTS message generator is a generator that generates TTS messages from events.