refactorings.

commands/state.go

@@ -22,3 +22,9 @@ func (c SetState) Matches(driver string) (sub string, ok bool) {
 func (c SetState) CommandDescription() string {
 	return fmt.Sprintf("SetState(%s, %s)", c.ID, c.State)
 }
+
+type SetStateBatch map[string]device.State
+
+func (c SetStateBatch) CommandDescription() string {
+	return fmt.Sprintf("SetStateBatch(%d devices)", len(c))
+}