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Please note we have force-pushed a new initial commit in order to remove some publicly-available Twitter user information. Note that this process may be required in the future.
124 lines
3.7 KiB
Thrift
124 lines
3.7 KiB
Thrift
namespace java com.twitter.graph_feature_service.thriftjava
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#@namespace scala com.twitter.graph_feature_service.thriftscala
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#@namespace strato com.twitter.graph_feature_service.thriftscala
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// edge type to differentiate different types of graphs (we can also add a lot of other types of edges)
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enum EdgeType {
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FOLLOWING,
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FOLLOWED_BY,
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FAVORITE,
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FAVORITED_BY,
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RETWEET,
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RETWEETED_BY,
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REPLY,
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REPLYED_BY,
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MENTION,
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MENTIONED_BY,
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MUTUAL_FOLLOW,
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SIMILAR_TO, // more edge types (like block, report, etc.) can be supported later.
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RESERVED_12,
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RESERVED_13,
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RESERVED_14,
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RESERVED_15,
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RESERVED_16,
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RESERVED_17,
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RESERVED_18,
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RESERVED_19,
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RESERVED_20
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}
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enum PresetFeatureTypes {
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EMPTY,
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HTL_TWO_HOP,
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WTF_TWO_HOP,
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SQ_TWO_HOP,
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RUX_TWO_HOP,
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MR_TWO_HOP,
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USER_TYPEAHEAD_TWO_HOP
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}
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struct UserWithCount {
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1: required i64 userId(personalDataType = 'UserId')
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2: required i32 count
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}(hasPersonalData = 'true')
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struct UserWithScore {
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1: required i64 userId(personalDataType = 'UserId')
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2: required double score
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}(hasPersonalData = 'true')
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// Feature Type
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// For example, to compute how many of source user's following's have favorited candidate user,
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// we need to compute the intersection between source user's FOLLOWING edges, and candidate user's
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// FAVORITED_BY edge. In this case, we should user FeatureType(FOLLOWING, FAVORITED_BY)
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struct FeatureType {
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1: required EdgeType leftEdgeType // edge type from source user
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2: required EdgeType rightEdgeType // edge type from candidate user
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}(persisted="true")
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struct IntersectionValue {
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1: required FeatureType featureType
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2: optional i32 count
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3: optional list<i64> intersectionIds(personalDataType = 'UserId')
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4: optional i32 leftNodeDegree
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5: optional i32 rightNodeDegree
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}(persisted="true", hasPersonalData = 'true')
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struct GfsIntersectionResult {
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1: required i64 candidateUserId(personalDataType = 'UserId')
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2: required list<IntersectionValue> intersectionValues
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}(hasPersonalData = 'true')
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struct GfsIntersectionRequest {
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1: required i64 userId(personalDataType = 'UserId')
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2: required list<i64> candidateUserIds(personalDataType = 'UserId')
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3: required list<FeatureType> featureTypes
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4: optional i32 intersectionIdLimit
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}
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struct GfsPresetIntersectionRequest {
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1: required i64 userId(personalDataType = 'UserId')
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2: required list<i64> candidateUserIds(personalDataType = 'UserId')
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3: required PresetFeatureTypes presetFeatureTypes
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4: optional i32 intersectionIdLimit
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}(hasPersonalData = 'true')
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struct GfsIntersectionResponse {
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1: required list<GfsIntersectionResult> results
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}
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service Server {
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GfsIntersectionResponse getIntersection(1: GfsIntersectionRequest request)
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GfsIntersectionResponse getPresetIntersection(1: GfsPresetIntersectionRequest request)
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}
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###################################################################################################
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## For internal usage only
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###################################################################################################
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struct WorkerIntersectionRequest {
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1: required i64 userId(personalDataType = 'UserId')
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2: required list<i64> candidateUserIds(personalDataType = 'UserId')
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3: required list<FeatureType> featureTypes
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4: required PresetFeatureTypes presetFeatureTypes
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5: required i32 intersectionIdLimit
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}(hasPersonalData = 'true')
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struct WorkerIntersectionResponse {
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1: required list<list<WorkerIntersectionValue>> results
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}
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struct WorkerIntersectionValue {
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1: i32 count
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2: i32 leftNodeDegree
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3: i32 rightNodeDegree
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4: list<i64> intersectionIds(personalDataType = 'UserId')
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}(hasPersonalData = 'true')
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struct CachedIntersectionResult {
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1: required list<WorkerIntersectionValue> values
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}
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service Worker {
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WorkerIntersectionResponse getIntersection(1: WorkerIntersectionRequest request)
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}
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