//
// Copyright (c) 2018
// Mainflux
// SPDX-License-Identifier: Apache-2.0
package readers
import (
"errors"
"github.com/mainflux/mainflux"
)
// ErrNotFound indicates that requested entity doesn't exist.
var ErrNotFound = errors.New("entity not found")
// MessageRepository specifies message reader API.
type MessageRepository interface {
// ReadAll skips given number of messages for given channel and returns next
// limited number of messages.
ReadAll(uint64, uint64, uint64) []mainflux.Message
}