December 2020
Intermediate to advanced
256 pages
8h 30m
Polish
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Rozdział 11. Architektura oparta na zdarzeniach — integracja mikrousług za pomocą zdarzeń
W poprzednim rozdziale nie napisaliśmy, jak odbierać zdarzenia informujące o zmianie ilości towaru w partii ani nawet jak powiadomić świat zewnętrzny o realokacji.
Mamy mikrousługę z sieciowym interfejsem API, ale co z innymi sposobami komunikacji z innymi systemami? Skąd mamy wiedzieć, czy np. wysyłka została opóźniona albo zmieniono ilość? Jak poinformujemy system magazynu o tym, że zamówienie zostało alokowane i trzeba je wysłać do klienta?
W tym rozdziale pokazujemy, jak rozszerzyć metaforę zdarzeń na obsługę wiadomości przychodzących do systemu i z niego wychodzących. Aktualnie wewnętrznie rdzeń naszej aplikacji jest praktycznie procesorem wiadomości. ...
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