micro/config/source/source.go
2019-08-20 22:32:47 +01:00

35 lines
658 B
Go

// Package source is the interface for sources
package source
import (
"errors"
"time"
)
var (
// ErrWatcherStopped is returned when source watcher has been stopped
ErrWatcherStopped = errors.New("watcher stopped")
)
// Source is the source from which config is loaded
type Source interface {
Read() (*ChangeSet, error)
Watch() (Watcher, error)
String() string
}
// ChangeSet represents a set of changes from a source
type ChangeSet struct {
Data []byte
Checksum string
Format string
Source string
Timestamp time.Time
}
// Watcher watches a source for changes
type Watcher interface {
Next() (*ChangeSet, error)
Stop() error
}