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<li class="navelem"><a class="el" href="namespaceSoprano.html">Soprano</a> </li>
<li class="navelem"><a class="el" href="classSoprano_1_1QueryResultIteratorBackend.html">QueryResultIteratorBackend</a> </li>
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<h1>Soprano::QueryResultIteratorBackend Class Reference</h1> </div>
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<!-- doxytag: class="Soprano::QueryResultIteratorBackend" --><!-- doxytag: inherits="IteratorBackend< BindingSet >" -->
<p><a class="el" href="classSoprano_1_1QueryResultIteratorBackend.html" title="QueryResultIteratorBackend is the actual working horse behind QueryResultIterator.">QueryResultIteratorBackend</a> is the actual working horse behind <a class="el" href="classSoprano_1_1QueryResultIterator.html" title="An iterator for query results.">QueryResultIterator</a>.
<a href="#_details">More...</a></p>
<p><code>#include <<a class="el" href="queryresultiteratorbackend_8h_source.html">Soprano/QueryResultIteratorBackend</a>></code></p>
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<img id="dynsection-0-trigger" src="closed.png"/> Inheritance diagram for Soprano::QueryResultIteratorBackend:</div>
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<area shape="rect" id="node2" href="classSoprano_1_1IteratorBackend.html" title="Soprano::IteratorBackend\< BindingSet \>" alt="" coords="5,181,261,211"/><area shape="rect" id="node4" href="classSoprano_1_1Error_1_1ErrorCache.html" title="Core class of Soprano's exception system." alt="" coords="65,5,244,35"/><area shape="rect" id="node6" href="classSoprano_1_1IteratorBackend.html" title="The actual work in a Iterator instance is done by an IteratorBackend." alt="" coords="149,85,352,115"/></map>
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<p><a href="classSoprano_1_1QueryResultIteratorBackend-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classSoprano_1_1QueryResultIteratorBackend.html#ae05be346f32e9b39491b7c4457bfc6ed">~QueryResultIteratorBackend</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classSoprano_1_1QueryResultIteratorBackend.html#ac5c79bbec64ff3eea6c28b4d93812aae">next</a> ()=0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classSoprano_1_1BindingSet.html">BindingSet</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSoprano_1_1QueryResultIteratorBackend.html#a04dad4d72a46f927d749c1c381c03ede">current</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classSoprano_1_1Statement.html">Statement</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSoprano_1_1QueryResultIteratorBackend.html#a24873e50b3c7b8fa14a0b34ffcc2a7b6">currentStatement</a> () const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classSoprano_1_1Node.html">Node</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSoprano_1_1QueryResultIteratorBackend.html#a100e8fd1ea4048ef8eb1d3d7024fdcf9">binding</a> (const <a class="elRef" href="qstring.html">QString</a> &name) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classSoprano_1_1Node.html">Node</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSoprano_1_1QueryResultIteratorBackend.html#ad702d2888fa355fb3795945c85b81123">binding</a> (int offset) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classSoprano_1_1QueryResultIteratorBackend.html#af8e8bf4e373e02a8e566fa64543b0a43">bindingCount</a> () const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="elRef" href="qstringlist.html">QStringList</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSoprano_1_1QueryResultIteratorBackend.html#a8e154188deae1c4fdfc2c687d5f7693a">bindingNames</a> () const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classSoprano_1_1QueryResultIteratorBackend.html#a88e3ad52c43e8517418768cfb7e46d7c">isGraph</a> () const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classSoprano_1_1QueryResultIteratorBackend.html#a26d965b6ac21b02624747247909d8581">isBinding</a> () const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classSoprano_1_1QueryResultIteratorBackend.html#a4df6ae46d64a356ec63cd5bf08f6236c">isBool</a> () const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classSoprano_1_1QueryResultIteratorBackend.html#a75ec3f71c7f0e4a87d385d82d12523d6">boolValue</a> () const =0</td></tr>
<tr><td colspan="2"><h2><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSoprano_1_1QueryResultIteratorBackend.html#a4c976cd392c6afe20d371693cbd68a13">QueryResultIteratorBackend</a> ()</td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<div class="textblock"><p><a class="el" href="classSoprano_1_1QueryResultIteratorBackend.html" title="QueryResultIteratorBackend is the actual working horse behind QueryResultIterator.">QueryResultIteratorBackend</a> is the actual working horse behind <a class="el" href="classSoprano_1_1QueryResultIterator.html" title="An iterator for query results.">QueryResultIterator</a>. </p>
<p>Each <a class="el" href="classSoprano_1_1Backend.html" title="Soprano::Backend defines the interface for a Soprano backend plugin.">Backend</a> implementation has to have its own version of <a class="el" href="classSoprano_1_1QueryResultIteratorBackend.html" title="QueryResultIteratorBackend is the actual working horse behind QueryResultIterator.">QueryResultIteratorBackend</a>.</p>
<dl class="author"><dt><b>Author:</b></dt><dd>Daniele Galdi <<a href="mailto:daniele.galdi@gmail.com">daniele.galdi@gmail.com</a>><br/>
Sebastian Trueg <<a href="mailto:trueg@kde.org">trueg@kde.org</a>> </dd></dl>
<p>Definition at line <a class="el" href="queryresultiteratorbackend_8h_source.html#l00046">46</a> of file <a class="el" href="queryresultiteratorbackend_8h_source.html">queryresultiteratorbackend.h</a>.</p>
</div><hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="ae05be346f32e9b39491b7c4457bfc6ed"></a><!-- doxytag: member="Soprano::QueryResultIteratorBackend::~QueryResultIteratorBackend" ref="ae05be346f32e9b39491b7c4457bfc6ed" args="()" -->
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<td class="memname">virtual Soprano::QueryResultIteratorBackend::~QueryResultIteratorBackend </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td><code> [virtual]</code></td>
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<a class="anchor" id="a4c976cd392c6afe20d371693cbd68a13"></a><!-- doxytag: member="Soprano::QueryResultIteratorBackend::QueryResultIteratorBackend" ref="a4c976cd392c6afe20d371693cbd68a13" args="()" -->
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<td class="memname">Soprano::QueryResultIteratorBackend::QueryResultIteratorBackend </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td><code> [protected]</code></td>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="ac5c79bbec64ff3eea6c28b4d93812aae"></a><!-- doxytag: member="Soprano::QueryResultIteratorBackend::next" ref="ac5c79bbec64ff3eea6c28b4d93812aae" args="()=0" -->
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<td class="memname">virtual bool Soprano::QueryResultIteratorBackend::next </td>
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<td class="paramname"></td><td>)</td>
<td><code> [pure virtual]</code></td>
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<p>For boolean results implementations needs to always return <code>false</code> to avoid endless loops in client applications that omit to check the result type.</p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classSoprano_1_1Iterator.html#a1ba632f6f015242ab9441da77d48415b">QueryResultIterator::next</a> </dd></dl>
<p>Implements <a class="el" href="classSoprano_1_1IteratorBackend.html#a4aeac0d9b6ef74e61d45982a49a69644">Soprano::IteratorBackend< BindingSet ></a>.</p>
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<a class="anchor" id="a04dad4d72a46f927d749c1c381c03ede"></a><!-- doxytag: member="Soprano::QueryResultIteratorBackend::current" ref="a04dad4d72a46f927d749c1c381c03ede" args="() const " -->
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<td class="memname">virtual <a class="el" href="classSoprano_1_1BindingSet.html">BindingSet</a> Soprano::QueryResultIteratorBackend::current </td>
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<td class="paramname"></td><td>)</td>
<td> const<code> [virtual]</code></td>
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<p>The default implementation constructs the <a class="el" href="classSoprano_1_1BindingSet.html" title="Represents one set of bindings in the result of a select query.">BindingSet</a> using <a class="el" href="classSoprano_1_1QueryResultIteratorBackend.html#a100e8fd1ea4048ef8eb1d3d7024fdcf9">binding()</a> and <a class="el" href="classSoprano_1_1QueryResultIteratorBackend.html#a8e154188deae1c4fdfc2c687d5f7693a">bindingNames()</a></p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classSoprano_1_1Iterator.html#a7060834a96aced1bba25e760474ac22e">QueryResultIterator::current</a> </dd></dl>
<p>Implements <a class="el" href="classSoprano_1_1IteratorBackend.html#a6913fdfd489c0e4e0978f59a466732f2">Soprano::IteratorBackend< BindingSet ></a>.</p>
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<a class="anchor" id="a24873e50b3c7b8fa14a0b34ffcc2a7b6"></a><!-- doxytag: member="Soprano::QueryResultIteratorBackend::currentStatement" ref="a24873e50b3c7b8fa14a0b34ffcc2a7b6" args="() const =0" -->
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<td class="memname">virtual <a class="el" href="classSoprano_1_1Statement.html">Statement</a> Soprano::QueryResultIteratorBackend::currentStatement </td>
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<td class="paramname"></td><td>)</td>
<td> const<code> [pure virtual]</code></td>
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<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classSoprano_1_1QueryResultIterator.html#ae12d1b77dc81089975f584d1bac8bff5">QueryResultIterator::currentStatement</a> </dd></dl>
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<a class="anchor" id="a100e8fd1ea4048ef8eb1d3d7024fdcf9"></a><!-- doxytag: member="Soprano::QueryResultIteratorBackend::binding" ref="a100e8fd1ea4048ef8eb1d3d7024fdcf9" args="(const QString &name) const =0" -->
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<td class="memname">virtual <a class="el" href="classSoprano_1_1Node.html">Node</a> Soprano::QueryResultIteratorBackend::binding </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" href="qstring.html">QString</a> & </td>
<td class="paramname"><em>name</em></td><td>)</td>
<td> const<code> [pure virtual]</code></td>
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<dl class="see"><dt><b>See also:</b></dt><dd>QueryResultIterator::binding(const QString&) </dd></dl>
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<a class="anchor" id="ad702d2888fa355fb3795945c85b81123"></a><!-- doxytag: member="Soprano::QueryResultIteratorBackend::binding" ref="ad702d2888fa355fb3795945c85b81123" args="(int offset) const =0" -->
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<td class="memname">virtual <a class="el" href="classSoprano_1_1Node.html">Node</a> Soprano::QueryResultIteratorBackend::binding </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>offset</em></td><td>)</td>
<td> const<code> [pure virtual]</code></td>
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<dl class="see"><dt><b>See also:</b></dt><dd>QueryResultIterator::binding(int) </dd></dl>
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<a class="anchor" id="af8e8bf4e373e02a8e566fa64543b0a43"></a><!-- doxytag: member="Soprano::QueryResultIteratorBackend::bindingCount" ref="af8e8bf4e373e02a8e566fa64543b0a43" args="() const =0" -->
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<td class="memname">virtual int Soprano::QueryResultIteratorBackend::bindingCount </td>
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<td> const<code> [pure virtual]</code></td>
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<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classSoprano_1_1QueryResultIterator.html#a174b9537f99f5b8f77cf8a81072f086d">QueryResultIterator::bindingCount</a> </dd></dl>
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<a class="anchor" id="a8e154188deae1c4fdfc2c687d5f7693a"></a><!-- doxytag: member="Soprano::QueryResultIteratorBackend::bindingNames" ref="a8e154188deae1c4fdfc2c687d5f7693a" args="() const =0" -->
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<td class="memname">virtual <a class="elRef" href="qstringlist.html">QStringList</a> Soprano::QueryResultIteratorBackend::bindingNames </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const<code> [pure virtual]</code></td>
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<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classSoprano_1_1QueryResultIterator.html#ace6fd8bd8f50a9c5f844e2375de8dd75">QueryResultIterator::bindingNames</a> </dd></dl>
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<a class="anchor" id="a88e3ad52c43e8517418768cfb7e46d7c"></a><!-- doxytag: member="Soprano::QueryResultIteratorBackend::isGraph" ref="a88e3ad52c43e8517418768cfb7e46d7c" args="() const =0" -->
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<td class="memname">virtual bool Soprano::QueryResultIteratorBackend::isGraph </td>
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<td> const<code> [pure virtual]</code></td>
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<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classSoprano_1_1QueryResultIterator.html#af2baa54907bb00c42914f300999b03fc">QueryResultIterator::isGraph</a> </dd></dl>
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<td class="memname">virtual bool Soprano::QueryResultIteratorBackend::isBinding </td>
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<td> const<code> [pure virtual]</code></td>
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<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classSoprano_1_1QueryResultIterator.html#a525628dfafcc4b0d47d555c12699fe41">QueryResultIterator::isBinding</a> </dd></dl>
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<td class="memname">virtual bool Soprano::QueryResultIteratorBackend::isBool </td>
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<td class="paramname"></td><td>)</td>
<td> const<code> [pure virtual]</code></td>
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<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classSoprano_1_1QueryResultIterator.html#a9b3e90c00c2a77f20e199d7a1243394d">QueryResultIterator::isBool</a> </dd></dl>
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<a class="anchor" id="a75ec3f71c7f0e4a87d385d82d12523d6"></a><!-- doxytag: member="Soprano::QueryResultIteratorBackend::boolValue" ref="a75ec3f71c7f0e4a87d385d82d12523d6" args="() const =0" -->
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<td class="memname">virtual bool Soprano::QueryResultIteratorBackend::boolValue </td>
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<td> const<code> [pure virtual]</code></td>
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<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classSoprano_1_1QueryResultIterator.html#a70996b0f1c492e712a7cfb2a2c3b4127">QueryResultIterator::boolValue</a> </dd></dl>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>/builddir/build/BUILD/soprano-2.6.0/soprano/<a class="el" href="queryresultiteratorbackend_8h_source.html">queryresultiteratorbackend.h</a></li>
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