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<h2 class="title"><a id="db_map_base_iterator"></a>Chapter 15.
Db_map_base_iterator </h2>
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<h4><a id="idp51170056"></a> Public Members </h4>
<div class="informaltable">
<table border="1" width="80%">
<colgroup>
<col />
<col />
</colgroup>
<thead>
<tr>
<th>Member</th>
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<td>
<a class="xref" href="db_map_base_iterator.html#stldb_map_base_iteratordb_map_base_iterator" title="db_map_base_iterator">db_map_base_iterator</a>
</td>
<td>
<p>Copy constructor. </p> </td>
</tr>
<tr>
<td>
<a class="xref" href="stldb_map_base_iteratordstr_db_map_base_iterator.html" title="~db_map_base_iterator">~db_map_base_iterator</a>
</td>
<td>
<p>Destructor. </p> </td>
</tr>
<tr>
<td>
<a class="xref" href="stldb_map_base_iteratoroperator_incr.html" title="operator++">operator++</a>
</td>
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<p>Pre-increment. </p> </td>
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<td>
<a class="xref" href="stldb_map_base_iteratoroperator_decr.html" title="operator--">operator--</a>
</td>
<td>
<p>Pre-decrement. </p> </td>
</tr>
<tr>
<td>
<a class="xref" href="stldb_map_base_iteratoroperator_eq.html" title="operator==">operator==</a>
</td>
<td>
<p>Equal comparison operator. </p> </td>
</tr>
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<td>
<a class="xref" href="stldb_map_base_iteratoroperator_ueq.html" title="operator!=">operator!=</a>
</td>
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<p>Unequal comparison operator. </p> </td>
</tr>
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<a class="xref" href="stldb_map_base_iteratoroperator__star.html" title="operator *">operator *</a>
</td>
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<p>Dereference operator. </p> </td>
</tr>
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<a class="xref" href="stldb_map_base_iteratoroperator_arrow.html" title="operator->">operator-></a>
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<p>Arrow operator. </p> </td>
</tr>
<tr>
<td>
<a class="xref" href="stldb_map_base_iteratorrefresh.html" title="refresh">refresh</a>
</td>
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<p>Refresh iterator cached value. </p> </td>
</tr>
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<td>
<a class="xref" href="stldb_map_base_iteratorclose_cursor.html" title="close_cursor">close_cursor</a>
</td>
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<p>Close underlying Berkeley DB cursor of this iterator. </p> </td>
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<a class="xref" href="stldb_map_base_iteratormove_to.html" title="move_to">move_to</a>
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<p>Iterator movement function. </p> </td>
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<a class="xref" href="stldb_map_base_iteratorset_bulk_buffer.html" title="set_bulk_buffer">set_bulk_buffer</a>
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<p>Modify bulk buffer size. </p> </td>
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<a class="xref" href="stldb_map_base_iteratorget_bulk_bufsize.html" title="get_bulk_bufsize">get_bulk_bufsize</a>
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<p>Get bulk retrieval buffer size in bytes. </p> </td>
</tr>
<tr>
<td>
<a class="xref" href="stldb_map_base_iteratoroperator_assign.html" title="operator=">operator=</a>
</td>
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<p>Assignment operator. </p> </td>
</tr>
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<h4><a id="idp51193888"></a>
Group</h4>
<p>
<a class="xref" href="db_map_iterators.html" title="Chapter 14. Iterator Classes for db_map and db_multimap">
Iterator Classes for db_map and db_multimap </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_base_iteratordb_map_base_iterator"></a>db_map_base_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_base_iteratordb_map_base_iterator_details"></a>Function Details</h3>
</div>
</div>
</div>
<pre class="programlisting">
db_map_base_iterator(const self &vi)
</pre>
<p>Copy constructor. </p>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h4 class="title"><a id="idp51200984"></a>Parameters</h4>
</div>
</div>
</div>
<div class="sect4" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h5 class="title"><a id="idp51199048"></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_base_iterator(const base &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="idp51209832"></a>Parameters</h4>
</div>
</div>
</div>
<div class="sect4" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h5 class="title"><a id="idp51230816"></a>vi</h5>
</div>
</div>
</div>
<p>Initialize from a base class iterator. </p>
</div>
</div>
<pre class="programlisting">
db_map_base_iterator(db_container *powner, u_int32_t b_bulk_retrieval=0,
bool rmw=false, bool directdbget=true,
bool readonly=false)
</pre>
<p>Constructor. </p>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h4 class="title"><a id="idp51231656"></a>Parameters</h4>
</div>
</div>
</div>
<div class="sect4" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h5 class="title"><a id="idp51231848"></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="idp51232752"></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="idp51233184"></a>readonly</h5>
</div>
</div>
</div>
<p>Whether open a read only cursor. Only effective when using Berkeley DB Concurrent Data Store. </p>
</div>
<div class="sect4" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h5 class="title"><a id="idp51233608"></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="idp51233928"></a>rmw</h5>
</div>
</div>
</div>
<p>Whether set DB_RMW flag in underlying cursor. </p>
</div>
</div>
<pre class="programlisting">
db_map_base_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="idp51210712"></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="idp51201048"></a>Class</h3>
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</div>
</div>
<p>
<a class="link" href="db_map_base_iterator.html" title="Chapter 15. Db_map_base_iterator">db_map_base_iterator</a>
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