April 2025
Intermediate to advanced
324 pages
10h 14m
Portuguese (Portugal, Brazil)
Content preview from Criando microsserviços orientados a eventos
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Capítulo 10. Microsserviços básicos de produtor e consumidor
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Os microsserviços básicos de produtor e consumidor (BPC) ingerem eventos de um ou mais fluxos de eventos, aplicam quaisquer transformações ou lógica comercial necessárias e emitem quaisquer eventos necessários para fluxos de eventos de saída. A E/S síncrona de solicitação-resposta também pode fazer parte desse fluxo de trabalho, mas esse tópico é abordado com mais detalhes no Capítulo 13. Este capítulo concentra-se estritamente em componentes orientados a eventos.
Os microsserviços BPC são caracterizados pelo uso de clientes básicos de consumidor e produtor. Os clientes consumidores básicos não incluem agendamento de eventos, marcas d'água, mecanismos de materialização, changelogs ou escalonamento horizontal de instâncias de processamento com armazenamentos de estado locais. Esses recursos normalmente pertencem apenas a estruturas mais completas, que os Capítulos 11 e 12 discutirão com mais profundidade. Embora seja certamente possível desenvolver suas próprias bibliotecas para fornecer esses recursos, fazer isso está além do escopo deste capítulo. Portanto, é preciso considerar cuidadosamente se o padrão BPC atenderá às suas necessidades comerciais.
Os clientes produtores e consumidores estão prontamente disponíveis nas linguagens mais utilizadas, reduzindo a sobrecarga cognitiva ao começar a utilizar ...
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