1 files changed, 30 insertions, 0 deletions
diff --git a/android/arch/persistence/room/migration/bundle/SchemaEquality.java b/android/arch/persistence/room/migration/bundle/SchemaEquality.java
new file mode 100644
index 00000000..59ea4b0d
--- /dev/null
+++ b/android/arch/persistence/room/migration/bundle/SchemaEquality.java
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2017 The Android Open Source Project
+ *
+ * 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 android.arch.persistence.room.migration.bundle;
+
+import android.support.annotation.RestrictTo;
+
+/**
+ * A loose equals check which checks schema equality instead of 100% equality (e.g. order of
+ * columns in an entity does not have to match)
+ *
+ * @hide
+ */
+@RestrictTo(RestrictTo.Scope.LIBRARY_GROUP)
+interface SchemaEquality<T> {
+    boolean isSchemaEqual(T other);
+}