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<?xml version="1.0" encoding="UTF-8"?>
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<title>Soprano.LiteralValue</title>
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KDE 4.9 PyKDE API Reference
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<h1>LiteralValue Class Reference</h1>
<code>from PyKDE4.soprano import *</code>
<p>
Namespace: <a href="../soprano/Soprano.html">Soprano</a><br />
<h2>Detailed Description</h2>
<p>\class LiteralValue literalvalue.h Soprano/LiteralValue
</p>
<p>
Represents a literal value of an RDF Node.
</p>
<p>
LiteralValue is based on QVariant to support
a subset of the XML Schema types that are compatible
with QT types.
</p>
<p>
The following types are supported natively including
automatic type conversion. Other types are represented
as strings.
</p>
<p>
<li> int (Vocabulary.XMLSchema.xsdInt) </li>
<li> qlonglong (Vocabulary.XMLSchema.xsdLong) </li>
<li> unsigned int (Vocabulary.XMLSchema.unsignedInt) </li>
<li> qulonglong (Vocabulary.XMLSchema.unsignedLong) </li>
<li> bool (Vocabulary.XMLSchema.boolean) </li>
<li> double and float (Vocabulary.XMLSchema.xsdDouble) (float values are always converted to double) </li>
<li> QString (Vocabulary.XMLSchema.string or Vocabulary.RDF.XMLLiteral) </li>
<li> QDate (Vocabulary.XMLSchema.date) </li>
<li> QTime (Vocabulary.XMLSchema.time) </li>
<li> QDateTime (Vocabulary.XMLSchema.dateTime) </li>
<li> QByteArray (Vocabulary.XMLSchema.base64Binary) </li>
</p>
<p>
Literal values can be converted from strings via fromString().
</p>
<p>
\sa Vocabulary.XMLSchema
</p>
<p>
<dl class="author" compact><dt><b>Author:</b></dt><dd> Sebastian Trueg <trueg@kde.org> </dd></dl>
</p>
<table border="0" cellpadding="0" cellspacing="0"><tr><td colspan="2"><br><h2>Methods</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#LiteralValue">__init__</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#LiteralValue">__init__</a> (self, <a href="../soprano/Soprano.LiteralValue.html">Soprano.LiteralValue</a> other)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#LiteralValue">__init__</a> (self, QVariant v)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#LiteralValue">__init__</a> (self, long i)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#LiteralValue">__init__</a> (self, float d)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#LiteralValue">__init__</a> (self, QString string)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#LiteralValue">__init__</a> (self, QLatin1String string)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#LiteralValue">__init__</a> (self, QString string)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#LiteralValue">__init__</a> (self, QDate date)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#LiteralValue">__init__</a> (self, QTime time)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#LiteralValue">__init__</a> (self, QDateTime datetime)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#LiteralValue">__init__</a> (self, QByteArray data)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">QUrl </td><td class="memItemRight" valign="bottom"><a class="el" href="#dataTypeUri">dataTypeUri</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="#isBool">isBool</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="#isByteArray">isByteArray</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="#isDate">isDate</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="#isDateTime">isDateTime</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="#isDouble">isDouble</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="#isInt">isInt</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="#isInt64">isInt64</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="#isPlain">isPlain</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="#isString">isString</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="#isTime">isTime</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="#isUnsignedInt">isUnsignedInt</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="#isUnsignedInt64">isUnsignedInt64</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="#isValid">isValid</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="../soprano/Soprano.LanguageTag.html">Soprano.LanguageTag</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#language">language</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="#operator !=">operator !=</a> (self, <a href="../soprano/Soprano.LiteralValue.html">Soprano.LiteralValue</a> other)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="#operator ==">operator ==</a> (self, <a href="../soprano/Soprano.LiteralValue.html">Soprano.LiteralValue</a> other)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="#toBool">toBool</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">QByteArray </td><td class="memItemRight" valign="bottom"><a class="el" href="#toByteArray">toByteArray</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">QDate </td><td class="memItemRight" valign="bottom"><a class="el" href="#toDate">toDate</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">QDateTime </td><td class="memItemRight" valign="bottom"><a class="el" href="#toDateTime">toDateTime</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="#toDouble">toDouble</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#toInt">toInt</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">long </td><td class="memItemRight" valign="bottom"><a class="el" href="#toInt64">toInt64</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">QString </td><td class="memItemRight" valign="bottom"><a class="el" href="#toString">toString</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">QTime </td><td class="memItemRight" valign="bottom"><a class="el" href="#toTime">toTime</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">long </td><td class="memItemRight" valign="bottom"><a class="el" href="#toUnsignedInt">toUnsignedInt</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">long </td><td class="memItemRight" valign="bottom"><a class="el" href="#toUnsignedInt64">toUnsignedInt64</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">QVariant::Type </td><td class="memItemRight" valign="bottom"><a class="el" href="#type">type</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">QVariant </td><td class="memItemRight" valign="bottom"><a class="el" href="#variant">variant</a> (self)</td></tr>
<tr><td colspan="2"><br><h2>Static Methods</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="../soprano/Soprano.LiteralValue.html">Soprano.LiteralValue</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#createPlainLiteral">createPlainLiteral</a> (QString value, <a href="../soprano/Soprano.LanguageTag.html">Soprano.LanguageTag</a> lang=Soprano.LanguageTag())</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">QUrl </td><td class="memItemRight" valign="bottom"><a class="el" href="#dataTypeUriFromType">dataTypeUriFromType</a> (QVariant::Type type)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="../soprano/Soprano.LiteralValue.html">Soprano.LiteralValue</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#fromString">fromString</a> (QString value, QVariant::Type type)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="../soprano/Soprano.LiteralValue.html">Soprano.LiteralValue</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#fromString">fromString</a> (QString value, QUrl dataTypeUri)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="../soprano/Soprano.LiteralValue.html">Soprano.LiteralValue</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#fromVariant">fromVariant</a> (QVariant value, QUrl dataType)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">QVariant::Type </td><td class="memItemRight" valign="bottom"><a class="el" href="#typeFromDataTypeUri">typeFromDataTypeUri</a> (QUrl dataTypeUri)</td></tr>
</table>
<hr><h2>Method Documentation</h2><a class="anchor" name="LiteralValue"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">__init__</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>Create an empty literal value
</p></div></div><a class="anchor" name="LiteralValue"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">__init__</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype"><a href="../soprano/Soprano.LiteralValue.html">Soprano.LiteralValue</a> </td>
<td class="paramname"><em>other</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Default copy constructor
</p></div></div><a class="anchor" name="LiteralValue"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">__init__</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">QVariant </td>
<td class="paramname"><em>v</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Creates a new LiteralValue from a QVariant.
User types are not supported. If v contains an
unsupported type an invalid LiteralValue is created.
</p>
<p>
\sa fromVariant()
</p></div></div><a class="anchor" name="LiteralValue"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">__init__</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"><em>i</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Creates a literal value of type unsigned long long (i.e.
http://www.w3.org/2001/XMLSchema#unsignedLong)
</p></div></div><a class="anchor" name="LiteralValue"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">__init__</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">float </td>
<td class="paramname"><em>d</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Creates a literal value of type double (i.e.
http://www.w3.org/2001/XMLSchema#double)
</p></div></div><a class="anchor" name="LiteralValue"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">__init__</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">QString </td>
<td class="paramname"><em>string</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Creates a literal value of type QString (i.e.
http://www.w3.org/2001/XMLSchema#string)
</p></div></div><a class="anchor" name="LiteralValue"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">__init__</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">QLatin1String </td>
<td class="paramname"><em>string</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Creates a literal value of type QString (i.e.
http://www.w3.org/2001/XMLSchema#string)
</p></div></div><a class="anchor" name="LiteralValue"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">__init__</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">QString </td>
<td class="paramname"><em>string</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Creates a literal value of type QString (i.e.
http://www.w3.org/2001/XMLSchema#string)
</p></div></div><a class="anchor" name="LiteralValue"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">__init__</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">QDate </td>
<td class="paramname"><em>date</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Creates a literal value of type QDate (i.e.
http://www.w3.org/2001/XMLSchema#date)
</p></div></div><a class="anchor" name="LiteralValue"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">__init__</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">QTime </td>
<td class="paramname"><em>time</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Creates a literal value of type QTime (i.e.
http://www.w3.org/2001/XMLSchema#time)
</p></div></div><a class="anchor" name="LiteralValue"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">__init__</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">QDateTime </td>
<td class="paramname"><em>datetime</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Creates a literal value of type QDateTime (i.e.
http://www.w3.org/2001/XMLSchema#dateTime)
</p></div></div><a class="anchor" name="LiteralValue"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">__init__</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">QByteArray </td>
<td class="paramname"><em>data</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Creates a literal value of type QByteArray (i.e.
http://www.w3.org/2001/XMLSchema#base64Binary)
</p></div></div><a class="anchor" name="dataTypeUri"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">QUrl dataTypeUri</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>The XML Schema datatype URI.
</p>
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd> The URI of the XML Schema type referring to the
stored type or an empty QUrl if the LiteralValue is empty or
is a plain literal.
</dd></dl>
</p></div></div><a class="anchor" name="isBool"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">bool isBool</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="isByteArray"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">bool isByteArray</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="isDate"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">bool isDate</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="isDateTime"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">bool isDateTime</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="isDouble"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">bool isDouble</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="isInt"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">bool isInt</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="isInt64"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">bool isInt64</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="isPlain"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">bool isPlain</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>Determines if this literal value is a plain literal.
Plain literals have no data type, but may have an optional language tag.
</p>
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd> true if this literal is plain
</dd></dl>
</p></div></div><a class="anchor" name="isString"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">bool isString</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>Check if the literal contains a string value.
Be aware that unknown literal types are also
treated as strings. In that case compare
dataTypeUrl.
</p></div></div><a class="anchor" name="isTime"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">bool isTime</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="isUnsignedInt"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">bool isUnsignedInt</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="isUnsignedInt64"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">bool isUnsignedInt64</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="isValid"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">bool isValid</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="language"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"><a href="../soprano/Soprano.LanguageTag.html">Soprano.LanguageTag</a> language</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>The language tag.
</p>
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd> The language tag of the plain literal or an empty LanguageTag
if the LiteralValue has no language or it is a typed literal.
</dd></dl>
</p></div></div><a class="anchor" name="operator !="></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">bool operator !=</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype"><a href="../soprano/Soprano.LiteralValue.html">Soprano.LiteralValue</a> </td>
<td class="paramname"><em>other</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="operator =="></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">bool operator ==</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype"><a href="../soprano/Soprano.LiteralValue.html">Soprano.LiteralValue</a> </td>
<td class="paramname"><em>other</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="toBool"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">bool toBool</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="toByteArray"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">QByteArray toByteArray</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="toDate"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">QDate toDate</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="toDateTime"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">QDateTime toDateTime</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="toDouble"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">float toDouble</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="toInt"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">int toInt</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="toInt64"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">long toInt64</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="toString"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">QString toString</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>Each type can be converted to a string which means that
toString in combination with dataTypeUrl provides all the
information necessary to store this literal as RDF.
</p>
<p>
The string value is cached so calling it multiple times in
a row is fast.
</p>
<p>
<dl class="warning" compact><dt><b>Warning:</b></dt><dd> For historical reasons this is not a user-readable representation.
</dd></dl> </p>
<p>
\sa Node.toString
</p></div></div><a class="anchor" name="toTime"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">QTime toTime</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="toUnsignedInt"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">long toUnsignedInt</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="toUnsignedInt64"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">long toUnsignedInt64</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="type"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">QVariant::Type type</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>The type of the data.
</p>
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd> The QVariant type of the stored data or QVariant.Invalid
if it is an empty value.
</dd></dl>
</p></div></div><a class="anchor" name="variant"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">QVariant variant</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>The literal value represented in a QVariant.
Be aware that the RDF typing information is lost
in the converted variant.
</p></div></div><hr><h2>Static Method Documentation</h2><a class="anchor" name="createPlainLiteral"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"><a href="../soprano/Soprano.LiteralValue.html">Soprano.LiteralValue</a> createPlainLiteral</td>
<td>(</td>
<td class="paramtype">QString </td>
<td class="paramname"><em>value</em>, </td>
</tr>
<tr>
<td class="memname"></td>
<td></td>
<td class="paramtype"><a href="../soprano/Soprano.LanguageTag.html">Soprano.LanguageTag</a> </td>
<td class="paramname"><em>lang=Soprano.LanguageTag()</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Create a plain LiteralValue object with an optional language tag.
</p>
<p>
</p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>value</em> </td><td> The value of the literal.
</td></tr>
</table></dl>
<p> </p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>lang</em> </td><td> The language tag.
</td></tr>
</table></dl>
<p> Both an empty <b>value</b> and <b>lang</b> will result in an invalid LiteralValue
instance but an empty <b>value</b> with a valid <b>lang</b> is possible. A valid
<b>value</b> with an empty <b>lang</b> will result in a plain, untyped literal with no
language tag.
</p>
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd> A newly created LiteralValue instance based on the provided <b>value</b> and
</dd></dl> <b>lang.</b>
</p></div></div><a class="anchor" name="dataTypeUriFromType"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">QUrl dataTypeUriFromType</td>
<td>(</td>
<td class="paramtype">QVariant::Type </td>
<td class="paramname"><em>type</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Convert a QVariant.Type into an XML Schema URI.
<dl class="return" compact><dt><b>Returns:</b></dt><dd> The XML Schema URI that corresponds to <b>type</b> or an empty QUrl if
the type os unknown, i.e. can not be mapped to an XML Schema type.
</dd></dl>
</p></div></div><a class="anchor" name="fromString"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"><a href="../soprano/Soprano.LiteralValue.html">Soprano.LiteralValue</a> fromString</td>
<td>(</td>
<td class="paramtype">QString </td>
<td class="paramname"><em>value</em>, </td>
</tr>
<tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">QVariant::Type </td>
<td class="paramname"><em>type</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Create a LiteralValue object by parsing string <b>value</b> based on <b>dataTypeUri.</b>
</p>
<p>
</p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>value</em> </td><td> The value of the literal. Might be converted based on <b>dataTypeUri.</b>
</td></tr>
</table></dl>
<p> </p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>dataTypeUri</em> </td><td> The data type URI. %Soprano can automatically convert all XML schema
types. All other (unknown) types will be stored as a string value with the plain
<b>dataTypeUri</b> as type. Thus, unknown literal types can still be used without
automatic type conversion. (Be aware though, that changing the value of a LiteralValue
instance will reset the type, ie. custom data type URIs will be lost.)
</td></tr>
</table></dl>
<p> Both an empty <b>value</b> and <b>dataTypeUri</b> will result in an invalid LiteralValue
instance but an empty <b>value</b> with a valid <b>dataTypeUri</b> is possible. A valid
<b>value</b> with an invalid <b>dataTypeUri</b> will result in a LiteralValue of type
Vocabulary.XMLSchema.string.
</p>
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd> A newly created LiteralValue instance based on the provided <b>value</b> and
</dd></dl> <b>dataTypeUri.</b>
</p>
<p>
\sa fromString(const QString&, QVariant.Type), Vocabulary.XMLSchema
</p></div></div><a class="anchor" name="fromString"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"><a href="../soprano/Soprano.LiteralValue.html">Soprano.LiteralValue</a> fromString</td>
<td>(</td>
<td class="paramtype">QString </td>
<td class="paramname"><em>value</em>, </td>
</tr>
<tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">QUrl </td>
<td class="paramname"><em>dataTypeUri</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Create a LiteralValue object by parsing string <b>value</b> based on <b>dataTypeUri.</b>
</p>
<p>
</p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>value</em> </td><td> The value of the literal. Might be converted based on <b>dataTypeUri.</b>
</td></tr>
</table></dl>
<p> </p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>dataTypeUri</em> </td><td> The data type URI. %Soprano can automatically convert all XML schema
types. All other (unknown) types will be stored as a string value with the plain
<b>dataTypeUri</b> as type. Thus, unknown literal types can still be used without
automatic type conversion. (Be aware though, that changing the value of a LiteralValue
instance will reset the type, ie. custom data type URIs will be lost.)
</td></tr>
</table></dl>
<p> Both an empty <b>value</b> and <b>dataTypeUri</b> will result in an invalid LiteralValue
instance but an empty <b>value</b> with a valid <b>dataTypeUri</b> is possible. A valid
<b>value</b> with an invalid <b>dataTypeUri</b> will result in a LiteralValue of type
Vocabulary.XMLSchema.string.
</p>
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd> A newly created LiteralValue instance based on the provided <b>value</b> and
</dd></dl> <b>dataTypeUri.</b>
</p>
<p>
\sa fromString(const QString&, QVariant.Type), Vocabulary.XMLSchema
</p></div></div><a class="anchor" name="fromVariant"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"><a href="../soprano/Soprano.LiteralValue.html">Soprano.LiteralValue</a> fromVariant</td>
<td>(</td>
<td class="paramtype">QVariant </td>
<td class="paramname"><em>value</em>, </td>
</tr>
<tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">QUrl </td>
<td class="paramname"><em>dataType</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Create a LiteralValue object by converting <b>value</b> to the given <b>dataType.</b>
</p>
<p>
If the type of the variant matches the <b>dataType</b> this method has the same
effect as the constructor which takes a QVariant as parameter. However, this
method supports automatic conversion for a set of types including:
</p>
<p>
<li> Conversion of different decimal types </li>
<li> Conversion of everything to xsd:string </li>
<li> Conversion of decimal types to xsd:dateTime (using QDateTime.fromTime_t()) </li>
</p>
<p>
</p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>value</em> </td><td> The value the created LiteralValue should have. If invalid an
invalid LiteralValue will be created.
</td></tr> </table></dl>
<p> </p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>dataType</em> </td><td> The RDF literal data type the created LiteralValue should have.
If empty the result will be the same as providing <b>value</b> to the constructor
of LiteralValue. No conversion will take place.
</td></tr>
</table></dl>
<p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> A newly created Literalvalue instance based on the given <b>value</b> and
</dd></dl> <b>dataType.</b>
</p>
<p>
<dl class="since" compact><dt><b>Since:</b></dt><dd> 2.7
</dd></dl>
</p></div></div><a class="anchor" name="typeFromDataTypeUri"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">QVariant::Type typeFromDataTypeUri</td>
<td>(</td>
<td class="paramtype">QUrl </td>
<td class="paramname"><em>dataTypeUri</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Convert an XML Schema URI into a QVariant.Type.
<dl class="return" compact><dt><b>Returns:</b></dt><dd> The QVariant.Type corresponding to dataTypeUri or QVariant.Invalid
if dataTypeUri is unknown.
</dd></dl>
</p></div></div>
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