fix configuration

src/udi/handlers/pv/pv.go

@@ -4,6 +4,7 @@ import (
   "log"
   "reflect"
   "time"
+  "fmt"
   "encoding/json"
   "udi/config"
   "udi/handlers/handler"
@@ -39,7 +40,7 @@ type PvValue struct {
 }
 
 
-func NewPvHandler(config config.HandlerConfigT) *PvHandler {
+func NewPvHandler(config config.HandlerConfigT) handler.Handler {
   t := &PvHandler {
     id: idSeq,
   }
@@ -48,6 +49,10 @@ func NewPvHandler(config config.HandlerConfigT) *PvHandler {
   return t
 }
 
+func (self *PvHandler) GetId() string {
+  return fmt.Sprintf("PV%d", self.id)
+}
+
 func (self *PvHandler) Handle(message handler.MessageT) {
   //log.Printf("Handler PV %d processing %s -> %s", self.id, message.Topic, message.Payload)