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KDE 4.9 PyKDE API Reference
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<h1>LiteralTerm Class Reference</h1>
<code>from PyKDE4.nepomuk import *</code>
<p>
Inherits: <a href="../nepomuk/Nepomuk.Query.Term.html">Nepomuk.Query.Term</a><br />
Namespace: <a href="../nepomuk/Nepomuk.Query.html">Nepomuk.Query</a><br />
<h2>Detailed Description</h2>
<p>\class LiteralTerm literalterm.h Nepomuk/Query/LiteralTerm
</p>
<p>
Match literal properties via full text.
</p>
<p>
Other than the rest of the terms LiteralTerm has two uses:
</p>
<p>
<b>Usage in ComparisonTerm </b>
</p>
<p>
%LiteralTerm can be used in a ComparisonTerm with both properties
with a literal range and a resource range. The former case is the simple
one: the value() of the %LiteralTerm will simply be compared to the value
of the ComparisonTerm.property(). In the latter case value() will be
matched to rdfs:label of any resource. So in essence the following two
examples are equal:
</p>
<p>
<pre class="fragment">
ComparisonTerm( Vocabulary.NAO.hasTag(), LiteralTerm("nepomuk") );
ComparisonTerm( Vocabulary.NAO.hasTag(), ComparisonTerm( Vocabulary.RDFS.label(), LiteralTerm("nepomuk") ) );
</pre>
</p>
<p>
<b>Usage as "stand-alone" term </b>
</p>
<p>
As a term by itself %LiteralTerm will act like a traditional full text query and
match all resources that contain the string value in some property.
</p>
<p>
<pre class="fragment">
LiteralTerm( "nepomuk" );
</pre>
</p>
<p>
The example above will match all resources that have a property with a value containing
the string "nepomuk".
</p>
<p>
<b>Examples </b>
</p>
<p>
<pre>LiteralTerm("nepomuk")</pre> searches for the term "nepomuk".
</p>
<p>
<pre>LiteralTerm("'nepomuk*'")</pre> searches for the terms starting with "nepomuk".
</p>
<p>
<pre>LiteralTerm("'nepomuk kde'")</pre> searches for the term "nepomuk kde".
</p>
<p>
<pre>LiteralTerm("'nepomuk* kde'")</pre> searches for terms matching "nepomuk* kde".
</p>
<p>
%LiteralTerm always tries to normalize the query terms as best as possible. This includes
automatically adding quotes as needed.
</p>
<p>
<dl class="warning" compact><dt><b>Warning:</b></dt><dd> Be aware that the examples above apply to using %LiteralTerm as a stand-alone term
or in a ComparisonTerm.Contains term. When using ComparisonTerm.Regexp the test as specified
will be used as-is to create the regular expression.
</dd></dl> </p>
<p>
<dl class="author" compact><dt><b>Author:</b></dt><dd> Sebastian Trueg <trueg@kde.org> </dd></dl>
</p>
<p>
<dl class="since" compact><dt><b>Since:</b></dt><dd> 4.4
</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="#LiteralTerm">__init__</a> (self, <a href="../nepomuk/Nepomuk.Query.LiteralTerm.html">Nepomuk.Query.LiteralTerm</a> term)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#LiteralTerm">__init__</a> (self, <a href="../soprano/Soprano.LiteralValue.html">Soprano.LiteralValue</a> value=Soprano.LiteralValue())</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#setValue">setValue</a> (self, <a href="../soprano/Soprano.LiteralValue.html">Soprano.LiteralValue</a> value)</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="#value">value</a> (self)</td></tr>
</table>
<hr><h2>Method Documentation</h2><a class="anchor" name="LiteralTerm"></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="../nepomuk/Nepomuk.Query.LiteralTerm.html">Nepomuk.Query.LiteralTerm</a> </td>
<td class="paramname"><em>term</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Copy constructor.
</p></div></div><a class="anchor" name="LiteralTerm"></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>value=Soprano.LiteralValue()</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Default constructor
</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 this %LiteralTerm should match to.
</td></tr>
</table></dl>
<p>
</p></div></div><a class="anchor" name="setValue"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> setValue</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>value</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Set the value this %LiteralTerm should match to.
</p>
<p>
\sa value()
</p></div></div><a class="anchor" name="value"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"><a href="../soprano/Soprano.LiteralValue.html">Soprano.LiteralValue</a> value</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 value this %LiteralTerm should match to.
</p>
<p>
\sa setValue()
</p></div></div>
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