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mirror of https://github.com/mainflux/mainflux.git synced 2025-04-26 13:48:53 +08:00

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1.6 KiB
Go

package things
// Channel represents a Mainflux "communication group". This group contains the
// things that can exchange messages between eachother.
type Channel struct {
ID uint64 `json:"id"`
Owner string `json:"-"`
Name string `json:"name,omitempty"`
Things []Thing `json:"connected,omitempty"`
}
// ChannelRepository specifies a channel persistence API.
type ChannelRepository interface {
// Save persists the channel. Successful operation is indicated by unique
// identifier accompanied by nil error response. A non-nil error is
// returned to indicate operation failure.
Save(Channel) (uint64, error)
// Update performs an update to the existing channel. A non-nil error is
// returned to indicate operation failure.
Update(Channel) error
// RetrieveByID retrieves the channel having the provided identifier, that is owned
// by the specified user.
RetrieveByID(string, uint64) (Channel, error)
// RetrieveAll retrieves the subset of channels owned by the specified user.
RetrieveAll(string, int, int) []Channel
// Remove removes the channel having the provided identifier, that is owned
// by the specified user.
Remove(string, uint64) error
// Connect adds thing to the channel's list of connected things.
Connect(string, uint64, uint64) error
// Disconnect removes thing from the channel's list of connected
// things.
Disconnect(string, uint64, uint64) error
// HasThing determines whether the thing with the provided access key, is
// "connected" to the specified channel. If that's the case, it returns
// thing's ID.
HasThing(uint64, string) (uint64, error)
}