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#include "node_table_writer.h"
#include <yt/cpp/mapreduce/common/node_visitor.h>
#include <yt/cpp/mapreduce/interface/io.h>
#include <yt/cpp/mapreduce/interface/logging/yt_log.h>
#include <library/cpp/yson/writer.h>
namespace NYT {
////////////////////////////////////////////////////////////////////////////////
TNodeTableWriter::TNodeTableWriter(THolder<IProxyOutput> output, NYson::EYsonFormat format)
: Output_(std::move(output))
{
for (size_t i = 0; i < Output_->GetStreamCount(); ++i) {
Writers_.push_back(
MakeHolder<::NYson::TYsonWriter>(Output_->GetStream(i), format, NYT::NYson::EYsonType::ListFragment));
}
}
TNodeTableWriter::~TNodeTableWriter()
{ }
size_t TNodeTableWriter::GetBufferMemoryUsage() const
{
return Output_->GetBufferMemoryUsage();
}
size_t TNodeTableWriter::GetTableCount() const
{
return Output_->GetStreamCount();
}
void TNodeTableWriter::FinishTable(size_t tableIndex) {
Output_->GetStream(tableIndex)->Finish();
}
void TNodeTableWriter::AddRow(const TNode& row, size_t tableIndex)
{
if (row.HasAttributes()) {
ythrow TIOException() << "Row cannot have attributes";
}
static const TNode emptyMap = TNode::CreateMap();
const TNode* outRow = &emptyMap;
if (row.GetType() != TNode::Undefined) {
if (!row.IsMap()) {
ythrow TIOException() << "Row should be a map node";
} else {
outRow = &row;
}
}
auto* writer = Writers_[tableIndex].Get();
writer->OnListItem();
TNodeVisitor visitor(writer);
visitor.Visit(*outRow);
Output_->OnRowFinished(tableIndex);
}
void TNodeTableWriter::AddRow(TNode&& row, size_t tableIndex) {
AddRow(row, tableIndex);
}
void TNodeTableWriter::Abort()
{
Output_->Abort();
}
////////////////////////////////////////////////////////////////////////////////
} // namespace NYT
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