go-common/library/conf/paladin/client.go
2019-04-22 02:59:20 +00:00

50 lines
820 B
Go

package paladin
import (
"context"
)
const (
// EventAdd config add event.
EventAdd EventType = iota
// EventUpdate config update event.
EventUpdate
// EventRemove config remove event.
EventRemove
)
// EventType is config event.
type EventType int
// Event is watch event.
type Event struct {
Event EventType
Key string
Value string
}
// Watcher is config watcher.
type Watcher interface {
WatchEvent(context.Context, ...string) <-chan Event
Close() error
}
// Setter is value setter.
type Setter interface {
Set(string) error
}
// Getter is value getter.
type Getter interface {
// Get a config value by a config key(may be a sven filename).
Get(string) *Value
// GetAll return all config key->value map.
GetAll() *Map
}
// Client is config client.
type Client interface {
Watcher
Getter
}