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Extend message struct to include a raw interface #205

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Extend message struct to include a raw interface #205

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8 changes: 8 additions & 0 deletions message/message.go
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,9 @@ type Message struct {
// Payload is message's payload.
Payload Payload

// Interface to store user data.
UserData interface{}

// ack is closed, when acknowledge is received.
ack chan struct{}
// noACk is closed, when negative acknowledge is received.
Expand Down Expand Up @@ -180,5 +183,10 @@ func (m *Message) Copy() *Message {
for k, v := range m.Metadata {
msg.Metadata.Set(k, v)
}

// Copy the user data to the message passed to the next
// handler
msg.UserData = m.UserData

return msg
}