namespace java com.twitter.simclusters_v2.thriftjava
namespace py gen.twitter.simclusters_v2.graph
#@namespace scala com.twitter.simclusters_v2.thriftscala
#@namespace strato com.twitter.simclusters_v2

struct DecayedSums {
  // last time the decayed sum was updated, in millis. 
  1: required i64 lastUpdatedTimestamp

  // a map from half life (specified in days) to the decayed sum
  2: required map<i32, double> halfLifeInDaysToDecayedSums
}(persisted = 'true', hasPersonalData = 'false')

struct EdgeWithDecayedWeights {
  1: required i64 sourceId(personalDataType = 'UserId')
  2: required i64 destinationId(personalDataType = 'UserId')
  3: required DecayedSums weights
}(persisted="true", hasPersonalData = "true")

struct NeighborWithWeights {
  1: required i64 neighborId(personalDataType = 'UserId')
  2: optional bool isFollowed(personalDataType = 'Follow')
  3: optional double followScoreNormalizedByNeighborFollowersL2(personalDataType = 'EngagementsPublic')
  4: optional double favScoreHalfLife100Days(personalDataType = 'EngagementsPublic')
  5: optional double favScoreHalfLife100DaysNormalizedByNeighborFaversL2(personalDataType = 'EngagementsPublic')

  // log(favScoreHalfLife100Days + 1)
  6: optional double logFavScore(personalDataType = 'EngagementsPublic')

  // log(favScoreHalfLife100Days + 1) normalized so that a user's incoming weights have unit l2 norm
  7: optional double logFavScoreL2Normalized(personalDataType = 'EngagementsPublic')

}(persisted = 'true', hasPersonalData = 'true')

struct UserAndNeighbors {
  1: required i64 userId(personalDataType = 'UserId')
  2: required list<NeighborWithWeights> neighbors
}(persisted="true", hasPersonalData = 'true')

struct NormsAndCounts {
  1: required i64 userId(personalDataType = 'UserId')
  2: optional double followerL2Norm(personalDataType = 'CountOfFollowersAndFollowees')
  3: optional double faverL2Norm(personalDataType = 'EngagementsPublic')
  4: optional i64 followerCount(personalDataType = 'CountOfFollowersAndFollowees')
  5: optional i64 faverCount(personalDataType = 'EngagementsPublic')

  // sum of the weights on the incoming edges where someone fav'ed this producer
  6: optional double favWeightsOnFavEdgesSum(personalDataType = 'EngagementsPublic')

  // sum of the fav weights on all the followers of this producer
  7: optional double favWeightsOnFollowEdgesSum(personalDataType = 'EngagementsPublic')
  // log(favScore + 1)
  8: optional double logFavL2Norm(personalDataType = 'EngagementsPublic')

  // sum of log(favScore + 1) on the incoming edges where someone fav'ed this producer
  9: optional double logFavWeightsOnFavEdgesSum(personalDataType = 'EngagementsPublic')

  // sum of log(favScore + 1) on all the followers of this producer
  10: optional double logFavWeightsOnFollowEdgesSum(personalDataType = 'EngagementsPublic')

}(persisted="true", hasPersonalData = 'true')