greenplumn COstreamBasic 代码
文件路径：/src/backend/gporca/libgpos/include/gpos/io/COstreamBasic.h
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2008 - 2010 Greenplum, Inc.
/
/ @filename:
/ COstreamBasic.h
/
/ @doc:
/ Output stream base class;
/---------------------------------------------------------------------------
#ifndef GPOS_COstreamBasic_H
#define GPOS_COstreamBasic_H
#include "gpos/io/COstream.h"
namespace gpos
{
/---------------------------------------------------------------------------
/ @class:
/ COstreamBasic
/
/ @doc:
/ Implements a basic write thru interface over a std::WOSTREAM
/
/---------------------------------------------------------------------------
class COstreamBasic : public COstream
{
private:
/ underlying stream
WOSTREAM *m_ostream;
public:
COstreamBasic(const COstreamBasic &) = delete;
/ please see comments in COstream.h for an explanation
using COstream::operator<<;
/ ctor
explicit COstreamBasic(WOSTREAM *ostream);
~COstreamBasic() override = default;
/ implement << operator
IOstream &operator<<(const WCHAR *) override;
/ implement << operator
IOstream &operator<<(const WCHAR) override;
};
} / namespace gpos
#endif / !GPOS_COstreamBasic_H
/ EOF