1 files changed, 33 insertions, 0 deletions
diff --git a/Firestore/Source/Local/FSTMemoryPersistence.h b/Firestore/Source/Local/FSTMemoryPersistence.h
new file mode 100644
index 0000000..c52962a
--- /dev/null
+++ b/Firestore/Source/Local/FSTMemoryPersistence.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2017 Google
+ *
+ * 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.
+ */
+
+#import <Foundation/Foundation.h>
+
+#import "FSTPersistence.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+/**
+ * An in-memory implementation of the FSTPersistence protocol. Values are stored only in RAM and
+ * are never persisted to any durable storage.
+ */
+@interface FSTMemoryPersistence : NSObject <FSTPersistence>
+
++ (instancetype)persistence;
+
+@end
+
+NS_ASSUME_NONNULL_END