Use nanoseconds instead of seconds as unique db ID.

Bug: 20107511
Change-Id: Ia1b4e6e788241f45e26caf95c59c8d01bd8ed5f4

1 files changed, 11 insertions, 0 deletions

diff --git a/rtdb/rtdb.go b/rtdb/rtdb.go
index 2ef7e75..e25a512 100644
--- a/rtdb/rtdb.go
+++ b/rtdb/rtdb.go
@@ -22,6 +22,8 @@ import (
 	"fmt"
 	"log"
 	"reflect"
+	"time"
+	"strconv"
 )
 
 type Object struct {
@@ -507,3 +509,12 @@ func (server *Server) GetExplicitTypeObject (obj TypedObject, dst ObjectBase) er
 	}
 	return <- ret
 }
+
+func (server *Server) MakeUniqueID () string {
+	ret := make(chan string)
+	server.requestQueue <- func() {
+		// requestQueue serializes accesses -> time will be unique
+		ret <- strconv.FormatInt(time.Now().UnixNano(), 10)
+	}
+	return <- ret
+}