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datastore.go
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/
datastore.go
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// Copyright 2016 Mender Software AS
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"errors"
"github.com/mendersoftware/go-lib-micro/log"
)
var (
// device not found
ErrDevNotFound = errors.New("device not found")
// device not found
ErrTokenNotFound = errors.New("token not found")
ErrDuplicateEmail = errors.New("user with a given email already exists")
)
type DataStore interface {
// IsEmpty returns true if database is empty (i.e. clean state of the
// system)
IsEmpty() (bool, error)
// CreateUser persists the user
CreateUser(u *UserModel) error
log.ContextLogger
}