classxapian_1_1eset.tex

xapian 是一个“Xapian 是一个开源概率论信息检索库

\hypertarget{classXapian_1_1ESet}{
\section{Xapian::ESet Class Reference}
\label{classXapian_1_1ESet}\index{Xapian::ESet@{Xapian::ESet}}
}
Class representing an ordered set of expand terms (an \hyperlink{classXapian_1_1ESet}{ESet}).  


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

Collaboration diagram for Xapian::ESet:\begin{figure}[H]
\begin{center}
\leavevmode
\includegraphics[width=119pt]{classXapian_1_1ESet__coll__graph}
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\subsection*{Public Member Functions}
\begin{CompactItemize}
\item 
\hyperlink{classXapian_1_1ESet_b53f2936cfa1c16c7ea4e171d7572e02}{ESet} ()
\begin{CompactList}\small\item\em Construct an empty \hyperlink{classXapian_1_1ESet}{ESet}. \item\end{CompactList}\item 
\hyperlink{classXapian_1_1ESet_07720954f3b74b0378079eb947be7642}{$\sim$ESet} ()
\begin{CompactList}\small\item\em Destructor. \item\end{CompactList}\item 
\hyperlink{classXapian_1_1ESet_817bfddb94d57028fefe678b5f614c5a}{ESet} (const \hyperlink{classXapian_1_1ESet}{ESet} \&other)
\begin{CompactList}\small\item\em Copying is allowed (and is cheap). \item\end{CompactList}\item 
void \hyperlink{classXapian_1_1ESet_626192324d2199ff59b2b7380371aba9}{operator=} (const \hyperlink{classXapian_1_1ESet}{ESet} \&other)
\begin{CompactList}\small\item\em Assignment is allowed (and is cheap). \item\end{CompactList}\item 
\hyperlink{types_8h_6979d98ebbe67186bd31e5ee2a7585cb}{Xapian::termcount} \hyperlink{classXapian_1_1ESet_2679dc65b4448d98d928daccecc2c5bd}{get\_\-ebound} () const 
\begin{CompactList}\small\item\em A lower bound on the number of terms which are in the full set of results of the expand. \item\end{CompactList}\item 
\hyperlink{types_8h_6979d98ebbe67186bd31e5ee2a7585cb}{Xapian::termcount} \hyperlink{classXapian_1_1ESet_ebe586b9f270b318589f77b03841c420}{size} () const 
\begin{CompactList}\small\item\em The number of terms in this E-Set. \item\end{CompactList}\item 
\hyperlink{types_8h_6979d98ebbe67186bd31e5ee2a7585cb}{Xapian::termcount} \hyperlink{classXapian_1_1ESet_6e96fb499d2a2ea8e9846853f8f043e0}{max\_\-size} () const 
\begin{CompactList}\small\item\em Required to allow use as an STL container. \item\end{CompactList}\item 
bool \hyperlink{classXapian_1_1ESet_090e0af57f0c7dc00dba7f3f86421674}{empty} () const 
\begin{CompactList}\small\item\em Test if this E-Set is empty. \item\end{CompactList}\item 
void \hyperlink{classXapian_1_1ESet_d2c3235a5e0ac8aad189ab0ef987a049}{swap} (\hyperlink{classXapian_1_1ESet}{ESet} \&other)
\begin{CompactList}\small\item\em Swap the E-Set we point to with another. \item\end{CompactList}\item 
\hyperlink{classXapian_1_1ESetIterator}{ESet\-Iterator} \hyperlink{classXapian_1_1ESet_b372abbea446e55668623da2640a2979}{begin} () const 
\begin{CompactList}\small\item\em Iterator for the terms in this E-Set. \item\end{CompactList}\item 
\hyperlink{classXapian_1_1ESetIterator}{ESet\-Iterator} \hyperlink{classXapian_1_1ESet_b4a4fc608e5b1e98fa7fdd9ab5e5569e}{end} () const 
\begin{CompactList}\small\item\em End iterator corresponding to \hyperlink{classXapian_1_1ESet_b372abbea446e55668623da2640a2979}{begin()}. \item\end{CompactList}\item 
\hyperlink{classXapian_1_1ESetIterator}{ESet\-Iterator} \hyperlink{classXapian_1_1ESet_d4ff820f027bf26c338b106ed1b46704}{back} () const 
\begin{CompactList}\small\item\em Iterator pointing to the last element of this E-Set. \item\end{CompactList}\item 
\hyperlink{classXapian_1_1ESetIterator}{ESet\-Iterator} \hyperlink{classXapian_1_1ESet_774ae93e1065b7d2ccd75da52e3fd5ae}{operator\mbox{[}$\,$\mbox{]}} (\hyperlink{types_8h_6979d98ebbe67186bd31e5ee2a7585cb}{Xapian::termcount} i) const 
\begin{CompactList}\small\item\em This returns the term at position i in this E-Set. \item\end{CompactList}\item 
std::string \hyperlink{classXapian_1_1ESet_d63a1c7299c538001212e4ecd0bb5bc1}{get\_\-description} () const 
\begin{CompactList}\small\item\em Introspection method. \item\end{CompactList}\end{CompactItemize}
\subsection*{Public Attributes}
\begin{CompactItemize}
\item 
\hypertarget{classXapian_1_1ESet_043e205f8669c5cf5b1e395e8e3ee427}{
\hyperlink{classXapian_1_1Internal_1_1RefCntPtr}{Xapian::Internal::Ref\-Cnt\-Ptr}$<$ Internal $>$ {\bf internal}}
\label{classXapian_1_1ESet_043e205f8669c5cf5b1e395e8e3ee427}

\end{CompactItemize}


\subsection{Detailed Description}
Class representing an ordered set of expand terms (an \hyperlink{classXapian_1_1ESet}{ESet}). 

This set represents the results of an expand operation, which is performed by \hyperlink{classXapian_1_1Enquire_c04aa26eff82db9fd810b8125a31ee55}{Xapian::Enquire::get\_\-eset()}. 



\subsection{Constructor \& Destructor Documentation}
\hypertarget{classXapian_1_1ESet_b53f2936cfa1c16c7ea4e171d7572e02}{
\index{Xapian::ESet@{Xapian::ESet}!ESet@{ESet}}
\index{ESet@{ESet}!Xapian::ESet@{Xapian::ESet}}
\subsubsection[ESet]{\setlength{\rightskip}{0pt plus 5cm}Xapian::ESet::ESet ()}}
\label{classXapian_1_1ESet_b53f2936cfa1c16c7ea4e171d7572e02}


Construct an empty \hyperlink{classXapian_1_1ESet}{ESet}. 

\hypertarget{classXapian_1_1ESet_07720954f3b74b0378079eb947be7642}{
\index{Xapian::ESet@{Xapian::ESet}!~ESet@{$\sim$ESet}}
\index{~ESet@{$\sim$ESet}!Xapian::ESet@{Xapian::ESet}}
\subsubsection[$\sim$ESet]{\setlength{\rightskip}{0pt plus 5cm}Xapian::ESet::$\sim$ESet ()}}
\label{classXapian_1_1ESet_07720954f3b74b0378079eb947be7642}


Destructor. 

\hypertarget{classXapian_1_1ESet_817bfddb94d57028fefe678b5f614c5a}{
\index{Xapian::ESet@{Xapian::ESet}!ESet@{ESet}}
\index{ESet@{ESet}!Xapian::ESet@{Xapian::ESet}}
\subsubsection[ESet]{\setlength{\rightskip}{0pt plus 5cm}Xapian::ESet::ESet (const \hyperlink{classXapian_1_1ESet}{ESet} \& {\em other})}}
\label{classXapian_1_1ESet_817bfddb94d57028fefe678b5f614c5a}


Copying is allowed (and is cheap). 



\subsection{Member Function Documentation}
\hypertarget{classXapian_1_1ESet_d4ff820f027bf26c338b106ed1b46704}{
\index{Xapian::ESet@{Xapian::ESet}!back@{back}}
\index{back@{back}!Xapian::ESet@{Xapian::ESet}}
\subsubsection[back]{\setlength{\rightskip}{0pt plus 5cm}\hyperlink{classXapian_1_1ESetIterator}{ESet\-Iterator} Xapian::ESet::back () const}}
\label{classXapian_1_1ESet_d4ff820f027bf26c338b106ed1b46704}


Iterator pointing to the last element of this E-Set. 

\hypertarget{classXapian_1_1ESet_b372abbea446e55668623da2640a2979}{
\index{Xapian::ESet@{Xapian::ESet}!begin@{begin}}
\index{begin@{begin}!Xapian::ESet@{Xapian::ESet}}
\subsubsection[begin]{\setlength{\rightskip}{0pt plus 5cm}\hyperlink{classXapian_1_1ESetIterator}{ESet\-Iterator} Xapian::ESet::begin () const}}
\label{classXapian_1_1ESet_b372abbea446e55668623da2640a2979}


Iterator for the terms in this E-Set. 

\hypertarget{classXapian_1_1ESet_090e0af57f0c7dc00dba7f3f86421674}{
\index{Xapian::ESet@{Xapian::ESet}!empty@{empty}}
\index{empty@{empty}!Xapian::ESet@{Xapian::ESet}}
\subsubsection[empty]{\setlength{\rightskip}{0pt plus 5cm}bool Xapian::ESet::empty () const}}
\label{classXapian_1_1ESet_090e0af57f0c7dc00dba7f3f86421674}


Test if this E-Set is empty. 

\hypertarget{classXapian_1_1ESet_b4a4fc608e5b1e98fa7fdd9ab5e5569e}{
\index{Xapian::ESet@{Xapian::ESet}!end@{end}}
\index{end@{end}!Xapian::ESet@{Xapian::ESet}}
\subsubsection[end]{\setlength{\rightskip}{0pt plus 5cm}\hyperlink{classXapian_1_1ESetIterator}{ESet\-Iterator} Xapian::ESet::end () const}}
\label{classXapian_1_1ESet_b4a4fc608e5b1e98fa7fdd9ab5e5569e}


End iterator corresponding to \hyperlink{classXapian_1_1ESet_b372abbea446e55668623da2640a2979}{begin()}. 

\hypertarget{classXapian_1_1ESet_d63a1c7299c538001212e4ecd0bb5bc1}{
\index{Xapian::ESet@{Xapian::ESet}!get_description@{get\_\-description}}
\index{get_description@{get\_\-description}!Xapian::ESet@{Xapian::ESet}}
\subsubsection[get\_\-description]{\setlength{\rightskip}{0pt plus 5cm}std::string Xapian::ESet::get\_\-description () const}}
\label{classXapian_1_1ESet_d63a1c7299c538001212e4ecd0bb5bc1}


Introspection method. 

\begin{Desc}
\item[Returns:]A string representing this \hyperlink{classXapian_1_1ESet}{ESet}. \end{Desc}
\hypertarget{classXapian_1_1ESet_2679dc65b4448d98d928daccecc2c5bd}{
\index{Xapian::ESet@{Xapian::ESet}!get_ebound@{get\_\-ebound}}
\index{get_ebound@{get\_\-ebound}!Xapian::ESet@{Xapian::ESet}}
\subsubsection[get\_\-ebound]{\setlength{\rightskip}{0pt plus 5cm}\hyperlink{types_8h_6979d98ebbe67186bd31e5ee2a7585cb}{Xapian::termcount} Xapian::ESet::get\_\-ebound () const}}
\label{classXapian_1_1ESet_2679dc65b4448d98d928daccecc2c5bd}


A lower bound on the number of terms which are in the full set of results of the expand. 

This will be greater than or equal to \hyperlink{classXapian_1_1ESet_ebe586b9f270b318589f77b03841c420}{size()} \hypertarget{classXapian_1_1ESet_6e96fb499d2a2ea8e9846853f8f043e0}{
\index{Xapian::ESet@{Xapian::ESet}!max_size@{max\_\-size}}
\index{max_size@{max\_\-size}!Xapian::ESet@{Xapian::ESet}}
\subsubsection[max\_\-size]{\setlength{\rightskip}{0pt plus 5cm}\hyperlink{types_8h_6979d98ebbe67186bd31e5ee2a7585cb}{Xapian::termcount} Xapian::ESet::max\_\-size () const\hspace{0.3cm}{\tt  \mbox{[}inline\mbox{]}}}}
\label{classXapian_1_1ESet_6e96fb499d2a2ea8e9846853f8f043e0}


Required to allow use as an STL container. 

\hypertarget{classXapian_1_1ESet_626192324d2199ff59b2b7380371aba9}{
\index{Xapian::ESet@{Xapian::ESet}!operator=@{operator=}}
\index{operator=@{operator=}!Xapian::ESet@{Xapian::ESet}}
\subsubsection[operator=]{\setlength{\rightskip}{0pt plus 5cm}void Xapian::ESet::operator= (const \hyperlink{classXapian_1_1ESet}{ESet} \& {\em other})}}
\label{classXapian_1_1ESet_626192324d2199ff59b2b7380371aba9}


Assignment is allowed (and is cheap). 

\hypertarget{classXapian_1_1ESet_774ae93e1065b7d2ccd75da52e3fd5ae}{
\index{Xapian::ESet@{Xapian::ESet}!operator[]@{operator[]}}
\index{operator[]@{operator[]}!Xapian::ESet@{Xapian::ESet}}
\subsubsection[operator[]]{\setlength{\rightskip}{0pt plus 5cm}\hyperlink{classXapian_1_1ESetIterator}{ESet\-Iterator} Xapian::ESet::operator\mbox{[}$\,$\mbox{]} (\hyperlink{types_8h_6979d98ebbe67186bd31e5ee2a7585cb}{Xapian::termcount} {\em i}) const}}
\label{classXapian_1_1ESet_774ae93e1065b7d2ccd75da52e3fd5ae}


This returns the term at position i in this E-Set. 

\hypertarget{classXapian_1_1ESet_ebe586b9f270b318589f77b03841c420}{
\index{Xapian::ESet@{Xapian::ESet}!size@{size}}
\index{size@{size}!Xapian::ESet@{Xapian::ESet}}
\subsubsection[size]{\setlength{\rightskip}{0pt plus 5cm}\hyperlink{types_8h_6979d98ebbe67186bd31e5ee2a7585cb}{Xapian::termcount} Xapian::ESet::size () const}}
\label{classXapian_1_1ESet_ebe586b9f270b318589f77b03841c420}


The number of terms in this E-Set. 

\hypertarget{classXapian_1_1ESet_d2c3235a5e0ac8aad189ab0ef987a049}{
\index{Xapian::ESet@{Xapian::ESet}!swap@{swap}}
\index{swap@{swap}!Xapian::ESet@{Xapian::ESet}}
\subsubsection[swap]{\setlength{\rightskip}{0pt plus 5cm}void Xapian::ESet::swap (\hyperlink{classXapian_1_1ESet}{ESet} \& {\em other})}}
\label{classXapian_1_1ESet_d2c3235a5e0ac8aad189ab0ef987a049}


Swap the E-Set we point to with another. 



The documentation for this class was generated from the following file:\begin{CompactItemize}
\item 
include/xapian/\hyperlink{enquire_8h}{enquire.h}\end{CompactItemize}