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#pragma once
#include <yt/cpp/mapreduce/common/fwd.h>
#include <yt/cpp/mapreduce/interface/io.h>
#include <yt/cpp/mapreduce/http/context.h>
#include <yt/cpp/mapreduce/http/requests.h>
#include <yt/cpp/mapreduce/http/http.h>
#include <yt/cpp/mapreduce/http/http_client.h>
namespace NYT {
class TPingableTransaction;
////////////////////////////////////////////////////////////////////////////////
class TClientReader
: public TRawTableReader
{
public:
TClientReader(
const TRichYPath& path,
IClientRetryPolicyPtr clientRetryPolicy,
ITransactionPingerPtr transactionPinger,
const TClientContext& context,
const TTransactionId& transactionId,
const TFormat& format,
const TTableReaderOptions& options,
bool useFormatFromTableAttributes);
bool Retry(
const TMaybe<ui32>& rangeIndex,
const TMaybe<ui64>& rowIndex,
const std::exception_ptr& error) override;
void ResetRetries() override;
bool HasRangeIndices() const override { return true; }
protected:
size_t DoRead(void* buf, size_t len) override;
private:
TRichYPath Path_;
const IClientRetryPolicyPtr ClientRetryPolicy_;
const TClientContext Context_;
TTransactionId ParentTransactionId_;
TMaybe<TFormat> Format_;
TTableReaderOptions Options_;
THolder<TPingableTransaction> ReadTransaction_;
NHttpClient::IHttpResponsePtr Response_;
IInputStream* Input_;
IRequestRetryPolicyPtr CurrentRequestRetryPolicy_;
private:
void TransformYPath();
void CreateRequest(const TMaybe<ui32>& rangeIndex = Nothing(), const TMaybe<ui64>& rowIndex = Nothing());
};
////////////////////////////////////////////////////////////////////////////////
} // namespace NYT
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