워크플로 단계에 있습니다. 오케스트레이터는 이 결과를 바탕으로 워크플로 로직상 그 다음 단
계를 선택하고 이벤트 처리가 완료되면 서비스
A
,
B
,
C
결과에서 필요한 데이터를 꺼내 최종
출력을 조합합니다. 서비스
A
,
B
,
C
의 작업이 서로 독립적이라면 이벤트가 전달되는 순서만
바꾸어도 워크플로를 변경할 수 있습니다. 다음은 각 입력 스트림에서 이벤트를 받아 소비하고
워크플로 비즈니스 로직에 따라 처리하는 오케스트레이션 예제 코드입니다.
while (true) {
Event[] events = consumer.consume(streams)
for (Event event: events) {
if (event.source == "Input Stream") {
//이벤트 처리, 구체화 상태 업데이트
producer.send("Stream 1", ...) //데이터를 스트림 1로 전송
} else if ...
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