Add root mapper

types/mapper/root.go

@@ -0,0 +1,31 @@
+package mapper
+
+import (
+	"github.com/rancher/norman/types"
+)
+
+type Root struct {
+	enabled bool
+	Mapper  types.Mapper
+}
+
+func (m *Root) FromInternal(data map[string]interface{}) {
+	if m.enabled {
+		m.Mapper.FromInternal(data)
+	}
+}
+
+func (m *Root) ToInternal(data map[string]interface{}) error {
+	if m.enabled {
+		return m.Mapper.ToInternal(data)
+	}
+	return nil
+}
+
+func (m *Root) ModifySchema(s *types.Schema, schemas *types.Schemas) error {
+	if s.CanList(nil) == nil {
+		m.enabled = true
+		return m.Mapper.ModifySchema(s, schemas)
+	}
+	return nil
+}