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#pragma once 
 
#include <ydb/public/api/grpc/draft/ydb_long_tx_v1.grpc.pb.h>
#include <ydb/public/sdk/cpp/client/ydb_driver/driver.h>
#include <ydb/public/sdk/cpp/client/ydb_types/operation/operation.h>
 
namespace NYdb { 
namespace NLongTx { 
 
class TLongTxBeginResult : public TOperation { 
public: 
    explicit TLongTxBeginResult(TStatus&& status) 
        : TOperation(std::move(status)) 
    {} 
 
    TLongTxBeginResult(TStatus&& status, Ydb::Operations::Operation&& operation) 
        : TOperation(std::move(status), std::move(operation)) 
    {} 
 
    Ydb::LongTx::BeginTransactionResult GetResult() { 
        Ydb::LongTx::BeginTransactionResult result; 
        GetProto().result().UnpackTo(&result); 
        return result; 
    } 
}; 
 
class TLongTxCommitResult : public TOperation { 
public: 
    explicit TLongTxCommitResult(TStatus&& status) 
        : TOperation(std::move(status)) 
    {} 
 
    TLongTxCommitResult(TStatus&& status, Ydb::Operations::Operation&& operation) 
        : TOperation(std::move(status), std::move(operation)) 
    {} 
 
    Ydb::LongTx::CommitTransactionResult GetResult() { 
        Ydb::LongTx::CommitTransactionResult result; 
        GetProto().result().UnpackTo(&result); 
        return result; 
    } 
}; 
 
class TLongTxRollbackResult : public TOperation { 
public: 
    explicit TLongTxRollbackResult(TStatus&& status) 
        : TOperation(std::move(status)) 
    {} 
 
    TLongTxRollbackResult(TStatus&& status, Ydb::Operations::Operation&& operation) 
        : TOperation(std::move(status), std::move(operation)) 
    {} 
 
    Ydb::LongTx::RollbackTransactionResult GetResult() { 
        Ydb::LongTx::RollbackTransactionResult result; 
        GetProto().result().UnpackTo(&result); 
        return result; 
    } 
}; 
 
class TLongTxWriteResult : public TOperation { 
public: 
    explicit TLongTxWriteResult(TStatus&& status) 
        : TOperation(std::move(status)) 
    {} 
 
    TLongTxWriteResult(TStatus&& status, Ydb::Operations::Operation&& operation) 
        : TOperation(std::move(status), std::move(operation)) 
    {} 
 
    Ydb::LongTx::WriteResult GetResult() { 
        Ydb::LongTx::WriteResult result; 
        GetProto().result().UnpackTo(&result); 
        return result; 
    } 
}; 
 
class TLongTxReadResult : public TOperation { 
public: 
    explicit TLongTxReadResult(TStatus&& status) 
        : TOperation(std::move(status)) 
    {} 
 
    TLongTxReadResult(TStatus&& status, Ydb::Operations::Operation&& operation) 
        : TOperation(std::move(status), std::move(operation)) 
    {} 
 
    Ydb::LongTx::ReadResult GetResult() { 
        Ydb::LongTx::ReadResult result; 
        GetProto().result().UnpackTo(&result); 
        return result; 
    } 
}; 
 
struct TClientSettings : public TCommonClientSettingsBase<TClientSettings> {
    using TSelf = TClientSettings; 
}; 
 
class TClient { 
public: 
    using TAsyncBeginTxResult = NThreading::TFuture<TLongTxBeginResult>; 
    using TAsyncCommitTxResult = NThreading::TFuture<TLongTxCommitResult>; 
    using TAsyncRollbackTxResult = NThreading::TFuture<TLongTxRollbackResult>; 
    using TAsyncWriteResult = NThreading::TFuture<TLongTxWriteResult>; 
    using TAsyncReadResult = NThreading::TFuture<TLongTxReadResult>; 
 
    TClient(const TDriver& driver, const TClientSettings& settings = TClientSettings()); 
 
    TAsyncBeginTxResult BeginWriteTx();
    TAsyncBeginTxResult BeginReadTx();
    TAsyncCommitTxResult CommitTx(const TString& txId);
    TAsyncRollbackTxResult RollbackTx(const TString& txId);
    TAsyncWriteResult Write(const TString& txId, const TString& table, const TString& dedupId,
                            const TString& data, Ydb::LongTx::Data::Format format); 
    TAsyncReadResult Read(const TString& txId, const TString& table);
 
private: 
    class TImpl; 
    std::shared_ptr<TImpl> Impl_; 
}; 
 
} // namespace NLongTx 
} // namespace NYdb