<?xml version="1.0" encoding="UTF-8"?> <!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" lang="en" xml:lang="en"> <head> <title>Solid.Predicate</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <link rel="stylesheet" type="text/css" href="../common/doxygen.css" /> <link rel="stylesheet" media="screen" type="text/css" title="KDE Colors" href="../common/kde.css" /> </head> <body> <div id="container"> <div id="header"> <div id="header_top"> <div> <div> <img alt ="" src="../common/top-kde.jpg"/> KDE 4.9 PyKDE API Reference </div> </div> </div> <div id="header_bottom"> <div id="location"> <ul> <li>KDE's Python API</li> </ul> </div> <div id="menu"> <ul> <li><a href="../modules.html">Overview</a></li> <li><a href="http://techbase.kde.org/Development/Languages/Python">PyKDE Home</a></li> <li><a href="http://kde.org/family/">Sitemap</a></li> <li><a href="http://kde.org/contact/">Contact Us</a></li> </ul> </div> </div> </div> <div id="body_wrapper"> <div id="body"> <div id="right"> <div class="content"> <div id="main"> <div class="clearer"> </div> <h1>Predicate Class Reference</h1> <code>from PyKDE4.solid import *</code> <p> Namespace: <a href="../solid/Solid.html">Solid</a><br /> <h2>Detailed Description</h2> <p>This class implements predicates for devices. </p> <p> A predicate is a logical condition that a given device can match or not. It's a constraint about the value a property must have in a given device interface, or any combination (conjunction, disjunction) of such constraints. </p> <p> FIXME: Add an example. </p> <table border="0" cellpadding="0" cellspacing="0"><tr><td colspan="2"><br><h2>Enumerations</h2></td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="#ComparisonOperator">ComparisonOperator</a> </td><td class="memItemRight" valign="bottom">{ Equals, Mask }</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="#Type">Type</a> </td><td class="memItemRight" valign="bottom">{ PropertyCheck, Conjunction, Disjunction, InterfaceCheck }</td></tr> <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="#Predicate">__init__</a> (self)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#Predicate">__init__</a> (self, <a href="../solid/Solid.Predicate.html">Solid.Predicate</a> other)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#Predicate">__init__</a> (self, QString ifaceName, QString property, QVariant value, <a href="../solid/Solid.Predicate.html#ComparisonOperator">Solid.Predicate.ComparisonOperator</a> compOperator=Solid.Predicate.Equals)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#Predicate">__init__</a> (self, <a href="../solid/Solid.DeviceInterface.html#Type">Solid.DeviceInterface.Type</a> ifaceType)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#Predicate">__init__</a> (self, QString ifaceName)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="../solid/Solid.Predicate.html#ComparisonOperator">Solid.Predicate.ComparisonOperator</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#comparisonOperator">comparisonOperator</a> (self)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="../solid/Solid.Predicate.html">Solid.Predicate</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#firstOperand">firstOperand</a> (self)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="../solid/Solid.DeviceInterface.html#Type">Solid.DeviceInterface.Type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#interfaceType">interfaceType</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">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="#matches">matches</a> (self, <a href="../solid/Solid.Device.html">Solid.Device</a> device)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">QVariant </td><td class="memItemRight" valign="bottom"><a class="el" href="#matchingValue">matchingValue</a> (self)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="../solid/Solid.Predicate.html">Solid.Predicate</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#operator &">operator &</a> (self, <a href="../solid/Solid.Predicate.html">Solid.Predicate</a> other)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="../solid/Solid.Predicate.html">Solid.Predicate</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#operator &=">operator &=</a> (self, <a href="../solid/Solid.Predicate.html">Solid.Predicate</a> other)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="../solid/Solid.Predicate.html">Solid.Predicate</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#operator |">operator |</a> (self, <a href="../solid/Solid.Predicate.html">Solid.Predicate</a> other)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="../solid/Solid.Predicate.html">Solid.Predicate</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#operator |=">operator |=</a> (self, <a href="../solid/Solid.Predicate.html">Solid.Predicate</a> other)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">QString </td><td class="memItemRight" valign="bottom"><a class="el" href="#propertyName">propertyName</a> (self)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="../solid/Solid.Predicate.html">Solid.Predicate</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#secondOperand">secondOperand</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"><a href="../solid/Solid.Predicate.html#Type">Solid.Predicate.Type</a> </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">QSet<Solid::DeviceInterface::Type> </td><td class="memItemRight" valign="bottom"><a class="el" href="#usedTypes">usedTypes</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="../solid/Solid.Predicate.html">Solid.Predicate</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#fromString">fromString</a> (QString predicate)</td></tr> </table> <hr><h2>Method Documentation</h2><a class="anchor" name="Predicate"></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>Constructs an invalid predicate. </p></div></div><a class="anchor" name="Predicate"></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="../solid/Solid.Predicate.html">Solid.Predicate</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>Copy 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>other</em> </td><td> the predicate to copy </td></tr> </table></dl> <p> </p></div></div><a class="anchor" name="Predicate"></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>ifaceName</em>, </td> </tr> <tr> <td class="memname"></td> <td></td> <td class="paramtype">QString </td> <td class="paramname"><em>property</em>, </td> </tr> <tr> <td class="memname"></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"><a href="../solid/Solid.Predicate.html#ComparisonOperator">Solid.Predicate.ComparisonOperator</a> </td> <td class="paramname"><em>compOperator=Solid.Predicate.Equals</em></td> </tr> <tr> <td></td> <td>)</td> <td></td> <td></td> <td width="100%"> </td> </tr></table> </div> <div class="memdoc"><p>Constructs a predicate matching the value of a property in a given device interface. </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>ifaceName</em> </td><td> the name of the device interface the device must have <tr><td></td><td valign="top"><em>property</em> </td><td> the property name of the device interface <tr><td></td><td valign="top"><em>value</em> </td><td> the value the property must have to make the device match <tr><td></td><td valign="top"><em>compOperator</em> </td><td> the operator to apply between the property and the value when matching </td></tr> </table></dl> <p> </p></div></div><a class="anchor" name="Predicate"></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="../solid/Solid.DeviceInterface.html#Type">Solid.DeviceInterface.Type</a> </td> <td class="paramname"><em>ifaceType</em></td> </tr> <tr> <td></td> <td>)</td> <td></td> <td></td> <td width="100%"> </td> </tr></table> </div> <div class="memdoc"><p>Constructs a predicate matching devices being of a particular device interface </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>ifaceType</em> </td><td> the device interface the device must have </td></tr> </table></dl> <p> </p></div></div><a class="anchor" name="Predicate"></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>ifaceName</em></td> </tr> <tr> <td></td> <td>)</td> <td></td> <td></td> <td width="100%"> </td> </tr></table> </div> <div class="memdoc"><p>Constructs a predicate matching devices being of a particular device interface </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>ifaceName</em> </td><td> the name of the device interface the device must have </td></tr> </table></dl> <p> </p></div></div><a class="anchor" name="comparisonOperator"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname"><a href="../solid/Solid.Predicate.html#ComparisonOperator">Solid.Predicate.ComparisonOperator</a> comparisonOperator</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>Retrieves the comparison operator used to compare a property's value </p> <p> <dl class="since" compact><dt><b>Since:</b></dt><dd> 4.4 </dd></dl> <dl class="note" compact><dt><b>Note:</b></dt><dd> This is only valid for Conjunction and Disjunction types </dd></dl> <dl class="return" compact><dt><b>Returns:</b></dt><dd> the comparison operator used </dd></dl> </p></div></div><a class="anchor" name="firstOperand"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname"><a href="../solid/Solid.Predicate.html">Solid.Predicate</a> firstOperand</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>A smaller, inner predicate which is the first to appear and is compared with the second one </p> <p> <dl class="since" compact><dt><b>Since:</b></dt><dd> 4.4 </dd></dl> <dl class="note" compact><dt><b>Note:</b></dt><dd> This is only valid for Conjunction and Disjunction types </dd></dl> <dl class="return" compact><dt><b>Returns:</b></dt><dd> The predicate used for the first operand </dd></dl> </p></div></div><a class="anchor" name="interfaceType"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname"><a href="../solid/Solid.DeviceInterface.html#Type">Solid.DeviceInterface.Type</a> interfaceType</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>Retrieves the interface type. </p> <p> <dl class="note" compact><dt><b>Note:</b></dt><dd> This is only valid for InterfaceCheck and PropertyCheck types </dd></dl> <dl class="since" compact><dt><b>Since:</b></dt><dd> 4.4 </dd></dl> <dl class="return" compact><dt><b>Returns:</b></dt><dd> a device interface type used by the predicate </dd></dl> </p></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"><p>Indicates if the predicate is valid. </p> <p> Predicate() is the only invalid predicate. </p> <p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> true if the predicate is valid, false otherwise </dd></dl> </p></div></div><a class="anchor" name="matches"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname">bool matches</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="../solid/Solid.Device.html">Solid.Device</a> </td> <td class="paramname"><em>device</em></td> </tr> <tr> <td></td> <td>)</td> <td></td> <td></td> <td width="100%"> </td> </tr></table> </div> <div class="memdoc"><p>Checks if a device matches the predicate. </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>device</em> </td><td> the device to match against the predicate </td></tr> </table></dl> <p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> true if the given device matches the predicate, false otherwise </dd></dl> </p></div></div><a class="anchor" name="matchingValue"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname">QVariant matchingValue</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>Retrieves the value used when comparing a devices property to see if it matches the predicate </p> <p> <dl class="note" compact><dt><b>Note:</b></dt><dd> This is only valid for the PropertyCheck type </dd></dl> <dl class="since" compact><dt><b>Since:</b></dt><dd> 4.4 </dd></dl> <dl class="return" compact><dt><b>Returns:</b></dt><dd> the value used </dd></dl> </p></div></div><a class="anchor" name="operator &"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname"><a href="../solid/Solid.Predicate.html">Solid.Predicate</a> 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="../solid/Solid.Predicate.html">Solid.Predicate</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>'And' operator. </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>other</em> </td><td> the second operand </td></tr> </table></dl> <p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> a new 'and' predicate having 'this' and 'other' as operands </dd></dl> </p></div></div><a class="anchor" name="operator &="></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname"><a href="../solid/Solid.Predicate.html">Solid.Predicate</a> 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="../solid/Solid.Predicate.html">Solid.Predicate</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>'AndEquals' operator. </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>other</em> </td><td> the second operand </td></tr> </table></dl> <p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> assigns to 'this' a new 'and' predicate having 'this' and 'other' as operands </dd></dl> </p></div></div><a class="anchor" name="operator |"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname"><a href="../solid/Solid.Predicate.html">Solid.Predicate</a> 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="../solid/Solid.Predicate.html">Solid.Predicate</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>'Or' operator. </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>other</em> </td><td> the second operand </td></tr> </table></dl> <p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> a new 'or' predicate having 'this' and 'other' as operands </dd></dl> </p></div></div><a class="anchor" name="operator |="></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname"><a href="../solid/Solid.Predicate.html">Solid.Predicate</a> 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="../solid/Solid.Predicate.html">Solid.Predicate</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>'OrEquals' operator. </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>other</em> </td><td> the second operand </td></tr> </table></dl> <p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> assigns to 'this' a new 'or' predicate having 'this' and 'other' as operands </dd></dl> </p></div></div><a class="anchor" name="propertyName"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname">QString propertyName</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>Retrieves the property name used when retrieving the value to compare against </p> <p> <dl class="note" compact><dt><b>Note:</b></dt><dd> This is only valid for the PropertyCheck type </dd></dl> <dl class="since" compact><dt><b>Since:</b></dt><dd> 4.4 </dd></dl> <dl class="return" compact><dt><b>Returns:</b></dt><dd> a property name </dd></dl> </p></div></div><a class="anchor" name="secondOperand"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname"><a href="../solid/Solid.Predicate.html">Solid.Predicate</a> secondOperand</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>A smaller, inner predicate which is the second to appear and is compared with the first one </p> <p> <dl class="since" compact><dt><b>Since:</b></dt><dd> 4.4 </dd></dl> <dl class="note" compact><dt><b>Note:</b></dt><dd> This is only valid for Conjunction and Disjunction types </dd></dl> <dl class="return" compact><dt><b>Returns:</b></dt><dd> The predicate used for the second operand </dd></dl> </p></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>Converts the predicate to its string form. </p> <p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> a string representation of the predicate </dd></dl> </p></div></div><a class="anchor" name="type"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname"><a href="../solid/Solid.Predicate.html#Type">Solid.Predicate.Type</a> 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>Retrieves the predicate type, used to determine how to handle the predicate </p> <p> <dl class="since" compact><dt><b>Since:</b></dt><dd> 4.4 </dd></dl> <dl class="return" compact><dt><b>Returns:</b></dt><dd> the predicate type </dd></dl> </p></div></div><a class="anchor" name="usedTypes"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname">QSet<Solid::DeviceInterface::Type> usedTypes</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>Retrieves the device interface types used in this predicate. </p> <p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> all the device interface types used in this predicate </dd></dl> </p></div></div><hr><h2>Static Method Documentation</h2><a class="anchor" name="fromString"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname"><a href="../solid/Solid.Predicate.html">Solid.Predicate</a> fromString</td> <td>(</td> <td class="paramtype">QString </td> <td class="paramname"><em>predicate</em></td> </tr> <tr> <td></td> <td>)</td> <td></td> <td></td> <td width="100%"> </td> </tr></table> </div> <div class="memdoc"><p>Converts a string to a predicate. </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>predicate</em> </td><td> the string to convert </td></tr> </table></dl> <p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> a new valid predicate if the given string is syntactically correct, Predicate() otherwise </dd></dl> </p></div></div><hr><h2>Enumeration Documentation</h2><a class="anchor" name="ComparisonOperator"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr><td class="memname">ComparisonOperator</td> </tr> </table> </div> <div class="memdoc"><p>The comparison operator which can be used for matching within the predicate. </p> <p> - Equals, the property and the value will match for strict equality - Mask, the property and the value will match if the bitmasking is not null </p><dl compact><dt><b>Enumerator: </b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"><tr><td valign="top"><em>Equals</em> </td><td><tr><td valign="top"><em>Mask</em> </td><td></table> </dl> </div></div><p><a class="anchor" name="Type"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr><td class="memname">Type</td> </tr> </table> </div> <div class="memdoc"><p>The predicate type which controls how the predicate is handled </p> <p> - PropertyCheck, the predicate contains a comparison that needs to be matched using a ComparisonOperator - Conjunction, the two contained predicates need to be true for this predicate to be true - Disjunction, either of the two contained predicates may be true for this predicate to be true - InterfaceCheck, the device type is compared </p><dl compact><dt><b>Enumerator: </b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"><tr><td valign="top"><em>PropertyCheck</em> </td><td><tr><td valign="top"><em>Conjunction</em> </td><td><tr><td valign="top"><em>Disjunction</em> </td><td><tr><td valign="top"><em>InterfaceCheck</em> </td><td></table> </dl> </div></div><p> </div> </div> </div> <div id="left"> <div class="menu_box"> <div class="nav_list"> <ul> <li><a href="../allclasses.html">Full Index</a></li> </ul> </div> <a name="cp-menu" /><div class="menutitle"><div> <h2 id="cp-menu-project">Modules</h2> </div></div> <div class="nav_list"> <ul><li><a href="../akonadi/index.html">akonadi</a></li> <li><a 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