the-algorithm/follow-recommendations-service/thrift/src/main/thrift/flows.thrift

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Thrift

/*
* This file defines additional thrift objects that should be specified in FRS request for context of recommendation, specifically the previous recommendations / new interactions in an interactive flow (series of follow steps). These typically are sent from OCF
*/
namespace java com.twitter.follow_recommendations.thriftjava
#@namespace scala com.twitter.follow_recommendations.thriftscala
#@namespace strato com.twitter.follow_recommendations
struct FlowRecommendation {
1: required i64 userId(personalDataType='UserId')
}(hasPersonalData='true')
struct RecommendationStep {
1: required list<FlowRecommendation> recommendations
2: required set<i64> followedUserIds(personalDataType='UserId')
}(hasPersonalData='true')
struct FlowContext {
1: required list<RecommendationStep> steps
}(hasPersonalData='true')