greenplumn IErrorContext 源码
greenplumn IErrorContext 代码
文件路径：/src/backend/gporca/libgpos/include/gpos/error/IErrorContext.h
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2011 EMC Corp.
//
// @filename:
// IErrorContext.h
//
// @doc:
// Interface for error context to record error message, stack, etc.
//---------------------------------------------------------------------------
#ifndef GPOS_IErrorContext_H
#define GPOS_IErrorContext_H
#include "gpos/error/CException.h"
#include "gpos/types.h"
namespace gpos
{
//---------------------------------------------------------------------------
// @class:
// IErrorContext
//
// @doc:
// Abstraction for context object, owned by Task
//
//---------------------------------------------------------------------------
class IErrorContext
{
private:
public:
IErrorContext(const IErrorContext &) = delete;
// ctor
IErrorContext() = default;
// dtor
virtual ~IErrorContext() = default;
// reset context, clear out handled error
virtual void Reset() = 0;
// record error context
virtual void Record(CException &exc, VA_LIST) = 0;
// exception accessor
virtual CException GetException() const = 0;
// error message accessor
virtual const WCHAR *GetErrorMsg() const = 0;
// copy necessary info for error propagation
virtual void CopyPropErrCtxt(const IErrorContext *err_ctxt) = 0;
// severity accessor
virtual ULONG GetSeverity() const = 0;
// set severity
virtual void SetSev(ULONG severity) = 0;
// print error stack trace
virtual void AppendStackTrace() = 0;
// print errno message
virtual void AppendErrnoMsg() = 0;
// check if there is a pending exception
virtual BOOL IsPending() const = 0;
// check if exception is rethrown
virtual BOOL IsRethrown() const = 0;
// mark that exception is rethrown
virtual void SetRethrow() = 0;
}; // class IErrorContext
} // namespace gpos
#endif // !GPOS_IErrorContext_H
// EOF
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