@startuml
namespace frame {
    class AcceptedFrame << (S,Aquamarine) >> {
        + Type() Type
        + Encode() []byte

    }
    class BackFlowFrame << (S,Aquamarine) >> {
        + Tag byte
        + Carriage []byte

        + Type() Type
        + SetCarriage(buf []byte) *BackFlowFrame
        + Encode() []byte
        + GetDataTag() byte
        + GetCarriage() []byte

    }
    class DataFrame << (S,Aquamarine) >> {
        - metaFrame *MetaFrame
        - payloadFrame *PayloadFrame

        + Type() Type
        + Tag() byte
        + SetCarriage(tag byte, carriage []byte)
        + GetCarriage() []byte
        + TransactionId() string
        + SetTransactionId(transactionID string)
        + GetMetaFrame() *MetaFrame
        + GetDataTag() byte
        + SetSourceId(sourceID string)
        + SourceId() string
        + Encode() []byte

    }
    interface Frame  {
        + Type() Type
        + Encode() []byte

    }
    class GoawayFrame << (S,Aquamarine) >> {
        - message string

        + Type() Type
        + Encode() []byte
        + Message() string

    }
    class HandshakeFrame << (S,Aquamarine) >> {
        - authName string
        - authPayload string

        + Name string
        + ClientId string
        + ClientType byte
        + ObserveDataTags []byte

        + Type() Type
        + Encode() []byte
        + AuthPayload() string
        + AuthName() string

    }
    class MetaFrame << (S,Aquamarine) >> {
        - tid string
        - metadata []byte
        - sourceId string

        + SetTransactionId(transactionId string)
        + TransactionId() string
        + SetMetadata(metadata []byte)
        + Metadata() []byte
        + SetSourceId(sourceId string)
        + SourceId() string
        + Encode() []byte

    }
    class PayloadFrame << (S,Aquamarine) >> {
        + Tag byte
        + Carriage []byte

        + SetCarriage(buf []byte) *PayloadFrame
        + Encode() []byte

    }
    class RejectedFrame << (S,Aquamarine) >> {
        - message string

        + Type() Type
        + Encode() []byte
        + Message() string

    }
    class Type << (S,Aquamarine) >> {
        + String() string

    }
    class frame.Type << (T, #FF7700) >>  {
    }
}

"frame.Frame" <|-- "frame.AcceptedFrame"
"frame.Frame" <|-- "frame.BackFlowFrame"
"frame.Frame" <|-- "frame.DataFrame"
"frame.Frame" <|-- "frame.GoawayFrame"
"frame.Frame" <|-- "frame.HandshakeFrame"
"frame.Frame" <|-- "frame.RejectedFrame"

"__builtin__.uint8" #.. "frame.Type"
@enduml