1 files changed, 36 insertions, 0 deletions
diff --git a/src/rocksdb/utilities/transactions/lock/range/range_lock_manager.h b/src/rocksdb/utilities/transactions/lock/range/range_lock_manager.h
new file mode 100644
index 000000000..01899542e
--- /dev/null
+++ b/src/rocksdb/utilities/transactions/lock/range/range_lock_manager.h
@@ -0,0 +1,36 @@
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
+//
+// Generic definitions for a Range-based Lock Manager
+//
+#pragma once
+#ifndef ROCKSDB_LITE
+
+#include "utilities/transactions/lock/lock_manager.h"
+
+namespace ROCKSDB_NAMESPACE {
+
+/*
+  A base class for all Range-based lock managers
+
+  See also class RangeLockManagerHandle in
+  include/rocksdb/utilities/transaction_db.h
+*/
+class RangeLockManagerBase : public LockManager {
+ public:
+  // Geting a point lock is reduced to getting a range lock on a single-point
+  // range
+  using LockManager::TryLock;
+  Status TryLock(PessimisticTransaction* txn, ColumnFamilyId column_family_id,
+                 const std::string& key, Env* env, bool exclusive) override {
+    Endpoint endp(key.data(), key.size(), false);
+    return TryLock(txn, column_family_id, endp, endp, env, exclusive);
+  }
+};
+
+}  // namespace ROCKSDB_NAMESPACE
+#endif  // ROCKSDB_LITE