fork of https://github.com/rust-rocksdb/rust-rocksdb for nextgraph
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34 lines
1.0 KiB
34 lines
1.0 KiB
// Copyright (c) Meta Platforms, Inc. and affiliates.
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//
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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//
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// Generic definitions for a Range-based Lock Manager
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//
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#pragma once
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#include "utilities/transactions/lock/lock_manager.h"
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namespace ROCKSDB_NAMESPACE {
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/*
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A base class for all Range-based lock managers
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See also class RangeLockManagerHandle in
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include/rocksdb/utilities/transaction_db.h
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*/
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class RangeLockManagerBase : public LockManager {
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public:
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// Geting a point lock is reduced to getting a range lock on a single-point
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// range
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using LockManager::TryLock;
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Status TryLock(PessimisticTransaction* txn, ColumnFamilyId column_family_id,
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const std::string& key, Env* env, bool exclusive) override {
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Endpoint endp(key.data(), key.size(), false);
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return TryLock(txn, column_family_id, endp, endp, env, exclusive);
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}
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};
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} // namespace ROCKSDB_NAMESPACE
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