diff options
Diffstat (limited to 'src/rocksdb/utilities/transactions/lock/range/range_lock_manager.h')
-rw-r--r-- | src/rocksdb/utilities/transactions/lock/range/range_lock_manager.h | 36 |
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 |