classxapian_1_1error.tex

xapian 是一个“Xapian 是一个开源概率论信息检索库

\hypertarget{classXapian_1_1Error}{
\section{Xapian::Error Class Reference}
\label{classXapian_1_1Error}\index{Xapian::Error@{Xapian::Error}}
}
Base class for all Xapian-specific errors reported.  


{\tt \#include $<$error.h$>$}

\subsection*{Public Member Functions}
\begin{CompactItemize}
\item 
std::string \hyperlink{classXapian_1_1Error_3302439223a7c2a2958cb5b006a40765}{get\_\-msg} () const 
\begin{CompactList}\small\item\em Return a message describing the error. \item\end{CompactList}\item 
std::string \hyperlink{classXapian_1_1Error_7401de849bf7474a9dd4080364673e43}{get\_\-type} () const 
\begin{CompactList}\small\item\em Return the type of the error. \item\end{CompactList}\item 
std::string \hyperlink{classXapian_1_1Error_a57d0e91a39910f409965ba59631906f}{get\_\-context} () const 
\begin{CompactList}\small\item\em Get the context of the error. \item\end{CompactList}\item 
int \hyperlink{classXapian_1_1Error_0fafb719ff909867f683783e1d52dbbe}{get\_\-errno} () const 
\begin{CompactList}\small\item\em Get the errno value associated with the error (or 0 if none). \item\end{CompactList}\item 
virtual \hyperlink{classXapian_1_1Error_a286448888bff43b323001846e4142f3}{$\sim$Error} ()
\begin{CompactList}\small\item\em Destructor. \item\end{CompactList}\end{CompactItemize}
\subsection*{Protected Member Functions}
\begin{CompactItemize}
\item 
\hyperlink{classXapian_1_1Error_aec19930c94ee7120fe71f805544a519}{Error} (const std::string \&msg\_\-, const std::string \&context\_\-, const std::string \&type\_\-, int errno\_\-value\_\-)
\begin{CompactList}\small\item\em Constructors are protected, since they can only be used by derived classes anyway. \item\end{CompactList}\item 
\hypertarget{classXapian_1_1Error_6d68ad62edc1b618650fccf76babedfb}{
{\bf Error} (const \hyperlink{classXapian_1_1Error}{Error} \&o)}
\label{classXapian_1_1Error_6d68ad62edc1b618650fccf76babedfb}

\end{CompactItemize}
\subsection*{Friends}
\begin{CompactItemize}
\item 
\hypertarget{classXapian_1_1Error_bd52e76045a491c2a2c48c29f77ff701}{
class {\bf Error\-Handler}}
\label{classXapian_1_1Error_bd52e76045a491c2a2c48c29f77ff701}

\end{CompactItemize}


\subsection{Detailed Description}
Base class for all Xapian-specific errors reported. 

Instantiations of \hyperlink{classXapian_1_1Error}{Xapian::Error} (as opposed to subclasses) are forbidden. 



\subsection{Constructor \& Destructor Documentation}
\hypertarget{classXapian_1_1Error_aec19930c94ee7120fe71f805544a519}{
\index{Xapian::Error@{Xapian::Error}!Error@{Error}}
\index{Error@{Error}!Xapian::Error@{Xapian::Error}}
\subsubsection[Error]{\setlength{\rightskip}{0pt plus 5cm}Xapian::Error::Error (const std::string \& {\em msg\_\-}, const std::string \& {\em context\_\-}, const std::string \& {\em type\_\-}, int {\em errno\_\-value\_\-})\hspace{0.3cm}{\tt  \mbox{[}protected\mbox{]}}}}
\label{classXapian_1_1Error_aec19930c94ee7120fe71f805544a519}


Constructors are protected, since they can only be used by derived classes anyway. 

\hypertarget{classXapian_1_1Error_a286448888bff43b323001846e4142f3}{
\index{Xapian::Error@{Xapian::Error}!~Error@{$\sim$Error}}
\index{~Error@{$\sim$Error}!Xapian::Error@{Xapian::Error}}
\subsubsection[$\sim$Error]{\setlength{\rightskip}{0pt plus 5cm}virtual Xapian::Error::$\sim$Error ()\hspace{0.3cm}{\tt  \mbox{[}inline, virtual\mbox{]}}}}
\label{classXapian_1_1Error_a286448888bff43b323001846e4142f3}


Destructor. 



\subsection{Member Function Documentation}
\hypertarget{classXapian_1_1Error_a57d0e91a39910f409965ba59631906f}{
\index{Xapian::Error@{Xapian::Error}!get_context@{get\_\-context}}
\index{get_context@{get\_\-context}!Xapian::Error@{Xapian::Error}}
\subsubsection[get\_\-context]{\setlength{\rightskip}{0pt plus 5cm}std::string Xapian::Error::get\_\-context () const\hspace{0.3cm}{\tt  \mbox{[}inline\mbox{]}}}}
\label{classXapian_1_1Error_a57d0e91a39910f409965ba59631906f}


Get the context of the error. 

\hypertarget{classXapian_1_1Error_0fafb719ff909867f683783e1d52dbbe}{
\index{Xapian::Error@{Xapian::Error}!get_errno@{get\_\-errno}}
\index{get_errno@{get\_\-errno}!Xapian::Error@{Xapian::Error}}
\subsubsection[get\_\-errno]{\setlength{\rightskip}{0pt plus 5cm}int Xapian::Error::get\_\-errno () const\hspace{0.3cm}{\tt  \mbox{[}inline\mbox{]}}}}
\label{classXapian_1_1Error_0fafb719ff909867f683783e1d52dbbe}


Get the errno value associated with the error (or 0 if none). 

\hypertarget{classXapian_1_1Error_3302439223a7c2a2958cb5b006a40765}{
\index{Xapian::Error@{Xapian::Error}!get_msg@{get\_\-msg}}
\index{get_msg@{get\_\-msg}!Xapian::Error@{Xapian::Error}}
\subsubsection[get\_\-msg]{\setlength{\rightskip}{0pt plus 5cm}std::string Xapian::Error::get\_\-msg () const\hspace{0.3cm}{\tt  \mbox{[}inline\mbox{]}}}}
\label{classXapian_1_1Error_3302439223a7c2a2958cb5b006a40765}


Return a message describing the error. 

This is in a human readable form. \hypertarget{classXapian_1_1Error_7401de849bf7474a9dd4080364673e43}{
\index{Xapian::Error@{Xapian::Error}!get_type@{get\_\-type}}
\index{get_type@{get\_\-type}!Xapian::Error@{Xapian::Error}}
\subsubsection[get\_\-type]{\setlength{\rightskip}{0pt plus 5cm}std::string Xapian::Error::get\_\-type () const\hspace{0.3cm}{\tt  \mbox{[}inline\mbox{]}}}}
\label{classXapian_1_1Error_7401de849bf7474a9dd4080364673e43}


Return the type of the error. 



The documentation for this class was generated from the following file:\begin{CompactItemize}
\item 
include/xapian/\hyperlink{error_8h}{error.h}\end{CompactItemize}