mv com/google/domain/registry google/registry

This change renames directories in preparation for the great package
rename. The repository is now in a broken state because the code
itself hasn't been updated. However this should ensure that git
correctly preserves history for each file.

java/google/registry/model/annotations/NotBackedUp.java

@@ -0,0 +1,47 @@
+// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
+//
+// 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 com.google.domain.registry.model.annotations;
+
+import com.googlecode.objectify.annotation.Entity;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation for an Objectify {@link Entity} to indicate that it should not be backed up by the
+ * default datastore backup configuration (it may be backed up by something else).
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface NotBackedUp {
+  Reason reason();
+
+  /** Reasons why a given entity does not need to be be backed up. */
+  public enum Reason {
+    /** This entity is transient by design and has only a short-term useful lifetime. */
+    TRANSIENT,
+
+    /** This entity's data is already regularly pulled down from an external source. */
+    EXTERNALLY_SOURCED,
+
+    /** This entity is generated automatically by the app and will be recreated if need be. */
+    AUTO_GENERATED,
+
+    /** Commit log entities are exported separately from the regular backups, by design. */
+    COMMIT_LOGS
+  }
+}