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facade.go
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/
facade.go
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package discov
import (
"github.com/wjames2000/go-zero/core/discov/internal"
"github.com/wjames2000/go-zero/core/logx"
)
type (
Facade struct {
endpoints []string
registry *internal.Registry
}
FacadeListener interface {
OnAdd(key, val string)
OnDelete(key string)
}
)
func NewFacade(endpoints []string) Facade {
return Facade{
endpoints: endpoints,
registry: internal.GetRegistry(),
}
}
func (f Facade) Client() internal.EtcdClient {
conn, err := f.registry.GetConn(f.endpoints)
logx.Must(err)
return conn
}
func (f Facade) Monitor(key string, l FacadeListener) {
f.registry.Monitor(f.endpoints, key, listenerAdapter{l})
}
type listenerAdapter struct {
l FacadeListener
}
func (la listenerAdapter) OnAdd(kv internal.KV) {
la.l.OnAdd(kv.Key, kv.Val)
}
func (la listenerAdapter) OnDelete(kv internal.KV) {
la.l.OnDelete(kv.Key)
}