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temporal 代码阅读记录     所属分类 temporal 浏览量 133
temporal server grpc 接口实现
AdminHandler      gRPC handler interface for adminservice
WorkflowHandler   gRPC handler interface for workflowservice
Handler           gRPC handler interface for historyservice
Handler           gRPC handler interface for matchingservice

temporal/service/frontend/adminHandler.go
temporal/service/frontend/workflowHandler.go
temporal/service/history/handler.go
temporal/service/matching/handler.go

DLQMessageHandler is the interface handles namespace DLQ messages
DLQ messages ?  
DLQ(Dead Letter Queue) ?

temporal/common/persistence/dataInterfaces.go
  // ClusterMetadataManager is used to manage cluster-wide metadata and configuration
  ClusterMetadataManager interface {
    Closeable
    GetName() string
    GetClusterMembers(request *GetClusterMembersRequest) (*GetClusterMembersResponse, error)
    UpsertClusterMembership(request *UpsertClusterMembershipRequest) error
    PruneClusterMembership(request *PruneClusterMembershipRequest) error
    ListClusterMetadata(request *ListClusterMetadataRequest) (*ListClusterMetadataResponse, error)
    GetCurrentClusterMetadata() (*GetClusterMetadataResponse, error)
    GetClusterMetadata(request *GetClusterMetadataRequest) (*GetClusterMetadataResponse, error)
    SaveClusterMetadata(request *SaveClusterMetadataRequest) (bool, error)
    DeleteClusterMetadata(request *DeleteClusterMetadataRequest) error
  }

temporal/common/util.go
// WorkflowIDToHistoryShard is used to map namespaceID-workflowID pair to a shardID
func WorkflowIDToHistoryShard(
	namespaceID string,
	workflowID string,
	numberOfShards int32,
) int32 {
	idBytes := []byte(namespaceID + "_" + workflowID)
	hash := farm.Fingerprint32(idBytes)
	return int32(hash%uint32(numberOfShards)) + 1 // ShardID starts with 1
}

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