move pkg/api/v1/ref.go and pkg/api/v1/resource.go to subpackages. move some functions in resource.go to pkg/api/v1/node and pkg/api/v1/pod

pkg/api/v1/objectreference.go

@@ -0,0 +1,33 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1
+
+import (
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+// IsAnAPIObject allows clients to preemptively get a reference to an API object and pass it to places that
+// intend only to get a reference to that object. This simplifies the event recording interface.
+func (obj *ObjectReference) SetGroupVersionKind(gvk schema.GroupVersionKind) {
+	obj.APIVersion, obj.Kind = gvk.ToAPIVersionAndKind()
+}
+
+func (obj *ObjectReference) GroupVersionKind() schema.GroupVersionKind {
+	return schema.FromAPIVersionAndKind(obj.APIVersion, obj.Kind)
+}
+
+func (obj *ObjectReference) GetObjectKind() schema.ObjectKind { return obj }