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// 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
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