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#pragma once
#include <yt/cpp/mapreduce/interface/io.h>
#include <yt/cpp/mapreduce/interface/config.h>
#include <yt/cpp/mapreduce/common/helpers.h>
namespace NYT {
////////////////////////////////////////////////////////////////////////////////
template <class TOptions>
struct TIOOptionsTraits;
template <>
struct TIOOptionsTraits<TFileReaderOptions>
{
static constexpr const char* const ConfigName = "file_reader";
};
template <>
struct TIOOptionsTraits<TFileWriterOptions>
{
static constexpr const char* const ConfigName = "file_writer";
};
template <>
struct TIOOptionsTraits<TTableReaderOptions>
{
static constexpr const char* const ConfigName = "table_reader";
};
template <>
struct TIOOptionsTraits<TTableWriterOptions>
{
static constexpr const char* const ConfigName = "table_writer";
};
template <class TOptions>
TNode FormIORequestParameters(
const TRichYPath& path,
const TOptions& options)
{
auto params = PathToParamNode(path);
if (options.Config_) {
params[TIOOptionsTraits<TOptions>::ConfigName] = *options.Config_;
}
return params;
}
template <>
inline TNode FormIORequestParameters(
const TRichYPath& path,
const TFileReaderOptions& options)
{
auto params = PathToParamNode(path);
if (options.Config_) {
params[TIOOptionsTraits<TTableReaderOptions>::ConfigName] = *options.Config_;
}
if (options.Offset_) {
params["offset"] = *options.Offset_;
}
if (options.Length_) {
params["length"] = *options.Length_;
}
return params;
}
static void AddWriterOptionsToNode(const TWriterOptions& options, TNode* node)
{
if (options.EnableEarlyFinish_) {
(*node)["enable_early_finish"] = *options.EnableEarlyFinish_;
}
if (options.UploadReplicationFactor_) {
(*node)["upload_replication_factor"] = *options.UploadReplicationFactor_;
}
if (options.MinUploadReplicationFactor_) {
(*node)["min_upload_replication_factor"] = *options.MinUploadReplicationFactor_;
}
if (options.DesiredChunkSize_) {
(*node)["desired_chunk_size"] = *options.DesiredChunkSize_;
}
}
template <>
inline TNode FormIORequestParameters(
const TRichYPath& path,
const TFileWriterOptions& options)
{
auto params = PathToParamNode(path);
TNode fileWriter = TNode::CreateMap();
if (options.Config_) {
fileWriter = *options.Config_;
}
if (options.WriterOptions_) {
AddWriterOptionsToNode(*options.WriterOptions_, &fileWriter);
}
if (fileWriter.Empty()) {
AddWriterOptionsToNode(
TWriterOptions()
.EnableEarlyFinish(true)
.UploadReplicationFactor(3)
.MinUploadReplicationFactor(2),
&fileWriter);
}
params[TIOOptionsTraits<TFileWriterOptions>::ConfigName] = fileWriter;
if (options.ComputeMD5_) {
params["compute_md5"] = *options.ComputeMD5_;
}
return params;
}
template <>
inline TNode FormIORequestParameters(
const TRichYPath& path,
const TTableWriterOptions& options)
{
auto params = PathToParamNode(path);
auto tableWriter = TConfig::Get()->TableWriter;
if (options.Config_) {
MergeNodes(tableWriter, *options.Config_);
}
if (options.WriterOptions_) {
AddWriterOptionsToNode(*options.WriterOptions_, &tableWriter);
}
if (!tableWriter.Empty()) {
params[TIOOptionsTraits<TTableWriterOptions>::ConfigName] = std::move(tableWriter);
}
return params;
}
////////////////////////////////////////////////////////////////////////////////
}
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