<?xml version="1.0" encoding="UTF-8" standalone="no"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>Chapter 16. Db_map_iterator</title> <link rel="stylesheet" href="apiReference.css" type="text/css" /> <meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /> <link rel="start" href="index.html" title="Berkeley DB C++ Standard Template Library API Reference" /> <link rel="up" href="index.html" title="Berkeley DB C++ Standard Template Library API Reference" /> <link rel="prev" href="stldb_map_base_iteratoroperator_assign.html" title="operator=" /> <link rel="next" href="stldb_map_iteratordstr_db_map_iterator.html" title="~db_map_iterator" /> </head> <body> <div xmlns="" class="navheader"> <div class="libver"> <p>Library Version 11.2.5.3</p> </div> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">Chapter 16. Db_map_iterator </th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="stldb_map_base_iteratoroperator_assign.html">Prev</a> </td> <th width="60%" align="center"> </th> <td width="20%" align="right"> <a accesskey="n" href="stldb_map_iteratordstr_db_map_iterator.html">Next</a></td> </tr> </table> <hr /> </div> <div class="chapter" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h2 class="title"><a id="db_map_iterator"></a>Chapter 16. Db_map_iterator </h2> </div> </div> </div> <h4><a id="idp979808"></a> Public Members </h4> <div class="informaltable"> <table border="1" width="80%"> <colgroup> <col /> <col /> </colgroup> <thead> <tr> <th>Member</th> <th>Description</th> </tr> </thead> <tbody> <tr> <td> <a class="xref" href="db_map_iterator.html#stldb_map_iteratordb_map_iterator" title="db_map_iterator">db_map_iterator</a> </td> <td> <p>Copy constructor. </p> </td> </tr> <tr> <td> <a class="xref" href="stldb_map_iteratordstr_db_map_iterator.html" title="~db_map_iterator">~db_map_iterator</a> </td> <td> <p>Destructor. </p> </td> </tr> <tr> <td> <a class="xref" href="stldb_map_iteratoroperator_incr.html" title="operator++">operator++</a> </td> <td> <p>Pre-increment. </p> </td> </tr> <tr> <td> <a class="xref" href="stldb_map_iteratoroperator_decr.html" title="operator--">operator--</a> </td> <td> <p>Pre-decrement. </p> </td> </tr> <tr> <td> <a class="xref" href="stldb_map_iteratoroperator__star.html" title="operator *">operator *</a> </td> <td> <p>Dereference operator. </p> </td> </tr> <tr> <td> <a class="xref" href="stldb_map_iteratoroperator_arrow.html" title="operator->">operator-></a> </td> <td> <p>Arrow operator. </p> </td> </tr> <tr> <td> <a class="xref" href="stldb_map_iteratorrefresh.html" title="refresh">refresh</a> </td> <td> <p>Refresh iterator cached value. </p> </td> </tr> <tr> <td> <a class="xref" href="stldb_map_iteratoroperator_assign.html" title="operator=">operator=</a> </td> <td> <p>Assignment operator. </p> </td> </tr> </tbody> </table> </div> <h4><a id="idp998160"></a> Group</h4> <p> <a class="xref" href="dbstl_iterators.html" title="Chapter 9. Dbstl Iterator Classes"> Dbstl Iterator Classes </a> </p> <p> </p> <div class="sect1" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h2 class="title" style="clear: both"><a id="stldb_map_iteratordb_map_iterator"></a>db_map_iterator</h2> </div> </div> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="stldb_map_iteratordb_map_iterator_details"></a>Function Details</h3> </div> </div> </div> <pre class="programlisting"> db_map_iterator(const db_map_iterator< kdt, ddt, value_type_sub > &vi) </pre> <p>Copy constructor. </p> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h4 class="title"><a id="idp988208"></a>Parameters</h4> </div> </div> </div> <div class="sect4" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h5 class="title"><a id="idp993824"></a>vi</h5> </div> </div> </div> <p>The other iterator of the same type to initialize this. </p> </div> </div> <pre class="programlisting"> db_map_iterator(const db_map_base_iterator< kdt, realddt, ddt > &vi) </pre> <p>Base copy constructor. </p> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h4 class="title"><a id="idp981880"></a>Parameters</h4> </div> </div> </div> <div class="sect4" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h5 class="title"><a id="idp1009656"></a>vi</h5> </div> </div> </div> <p>Initialize from a base class iterator. </p> </div> </div> <pre class="programlisting"> db_map_iterator(db_container *powner, u_int32_t b_bulk_retrieval=0, bool brmw=false, bool directdbget=true, bool b_read_only=false) </pre> <p>Constructor. </p> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h4 class="title"><a id="idp1010496"></a>Parameters</h4> </div> </div> </div> <div class="sect4" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h5 class="title"><a id="idp1010688"></a>b_bulk_retrieval</h5> </div> </div> </div> <p>The bulk read buffer size. 0 means bulk read disabled. </p> </div> <div class="sect4" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h5 class="title"><a id="idp1011592"></a>brmw</h5> </div> </div> </div> <p>Whether set DB_RMW flag in underlying cursor. </p> </div> <div class="sect4" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h5 class="title"><a id="idp1011912"></a>powner</h5> </div> </div> </div> <p>The container which creates this iterator. </p> </div> <div class="sect4" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h5 class="title"><a id="idp1012232"></a>directdbget</h5> </div> </div> </div> <p>Whether do direct database get rather than using key/data values cached in the iterator whenever read. </p> </div> <div class="sect4" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h5 class="title"><a id="idp1012664"></a>b_read_only</h5> </div> </div> </div> <p>Whether open a read only cursor. Only effective when using Berkeley DB Concurrent Data Store. </p> </div> </div> <pre class="programlisting"> db_map_iterator() </pre> <p>Default constructor, dose not create the cursor for now. </p> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="idp977280"></a>Group: Constructors and destructor</h3> </div> </div> </div> <p>Do not create iterators directly using these constructors, but call <a class="link" href="stldb_mapbegin.html" title="begin">db_map::begin</a> or db_multimap_begin to get instances of this class.</p> <div class="simplesect" lang="en" xml:lang="en"> <div class="titlepage"></div> <p><a class="link" href="stldb_mapbegin.html" title="begin">db_map::begin()</a> <a class="link" href="stldb_mapbegin.html" title="begin">db_multimap::begin()</a> </p> </div> <p> </p> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="idp993888"></a>Class</h3> </div> </div> </div> <p> <a class="link" href="db_map_iterator.html" title="Chapter 16. Db_map_iterator">db_map_iterator</a> </p> </div> </div> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="stldb_map_base_iteratoroperator_assign.html">Prev</a> </td> <td width="20%" align="center"> </td> <td width="40%" align="right"> <a accesskey="n" href="stldb_map_iteratordstr_db_map_iterator.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top">operator= </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> ~db_map_iterator</td> </tr> </table> </div> </body> </html>