greenplumn CLoggerStream 代码
文件路径：/src/backend/gporca/libgpos/include/gpos/error/CLoggerStream.h
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2010 Greenplum, Inc.
/
/ @filename:
/ CLoggerStream.h
/
/ @doc:
/ Implementation of logging interface over stream
/---------------------------------------------------------------------------
#ifndef GPOS_CLoggerStream_H
#define GPOS_CLoggerStream_H
#include "gpos/error/CLogger.h"
#include "gpos/io/IOstream.h"
namespace gpos
{
/---------------------------------------------------------------------------
/ @class:
/ CLoggerStream
/
/ @doc:
/ Stream logging.
/
/---------------------------------------------------------------------------
class CLoggerStream : public CLogger
{
private:
/ log stream
IOstream &m_os;
/ write string to stream
void
Write(const WCHAR *log_entry,
ULONG / severity
) override
{
m_os = m_os << log_entry;
}
public:
CLoggerStream(const CLoggerStream &) = delete;
/ ctor
CLoggerStream(IOstream &os);
/ dtor
~CLoggerStream() override;
/ wrapper for stdout
static CLoggerStream m_stdout_stream_logger;
/ wrapper for stderr
static CLoggerStream m_stderr_stream_logger;
}; / class CLoggerStream
} / namespace gpos
#endif / !GPOS_CLoggerStream_H
/ EOF
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