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<title>Plasma.ServiceJob</title>
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KDE 4.9 PyKDE API Reference
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<h1>ServiceJob Class Reference</h1>
<code>from PyKDE4.plasma import *</code>
<p>
Inherits: <a href="../kdecore/KJob.html">KJob</a> → QObject<br />
Namespace: <a href="../plasma/Plasma.html">Plasma</a><br />
<h2>Detailed Description</h2>
<p>ServiceJob plasma/servicejob.h <Plasma/ServiceJob>
</p>
<p>
This class provides jobs for use with Plasma.Service
</p>
<p>
Unlike KJob, you can do the work in start(), since Plasma.Service already
delays the call to start() until the event loop is reached.
</p>
<p>
If the job is quick enough that it is not worth reporting the progress,
you just need to implement start() to do the task, then call emitResult()
at the end of it. If the task does not complete successfully, you should
set a non-zero error code with setError(int) and an error message with
setErrorText(QString).
</p>
<p>
If the job is longer (involving network access, for instance), you should
report the progress at regular intervals. See the KJob documentation for
information on how to do this.
</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="#ServiceJob">__init__</a> (self, QString destination, QString operation, {QString:QVariant} parameters, QObject parent=0)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">QString </td><td class="memItemRight" valign="bottom"><a class="el" href="#destination">destination</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">QString </td><td class="memItemRight" valign="bottom"><a class="el" href="#operationName">operationName</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">{QString:QVariant} </td><td class="memItemRight" valign="bottom"><a class="el" href="#parameters">parameters</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">QVariant </td><td class="memItemRight" valign="bottom"><a class="el" href="#result">result</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#setResult">setResult</a> (self, QVariant result)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#start">start</a> (self)</td></tr>
</table>
<hr><h2>Method Documentation</h2><a class="anchor" name="ServiceJob"></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>destination</em>, </td>
</tr>
<tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">QString </td>
<td class="paramname"><em>operation</em>, </td>
</tr>
<tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">{QString:QVariant} </td>
<td class="paramname"><em>parameters</em>, </td>
</tr>
<tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">QObject </td>
<td class="paramname"><em>parent=0</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>destination</em> </td><td> the subject that the job is acting on
<tr><td></td><td valign="top"><em>operation</em> </td><td> the action that the job is performing on the <b>destination</b>
<tr><td></td><td valign="top"><em>parameters</em> </td><td> the parameters of the <b>action</b>
<tr><td></td><td valign="top"><em>parent</em> </td><td> the parent object for this service
</td></tr>
</table></dl>
<p>
</p></div></div><a class="anchor" name="destination"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">QString destination</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><dl class="return" compact><dt><b>Returns:</b></dt><dd> the subject that the job is acting on
</dd></dl>
</p></div></div><a class="anchor" name="operationName"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">QString operationName</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><dl class="return" compact><dt><b>Returns:</b></dt><dd> the operation the job is performing on the destination
</dd></dl>
</p></div></div><a class="anchor" name="parameters"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">{QString:QVariant} parameters</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><dl class="return" compact><dt><b>Returns:</b></dt><dd> the parameters for the operation
</dd></dl>
</p></div></div><a class="anchor" name="result"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">QVariant result</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>Returns the result of the operation
</p>
<p>
The result will be invalid if the job has not completed yet, or
if the job does not have a meaningful result.
</p>
<p>
Note that this should not be used to find out whether the operation
was successful. Instead, you should check the value of error().
</p>
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd> the result of the operation
</dd></dl>
</p></div></div><a class="anchor" name="setResult"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> setResult</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>result</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Sets the result for an operation.
</p></div></div><a class="anchor" name="start"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> start</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>Default implementation of start, which simply sets the results to false.
This makes it easy to create a "failure" job.
</p></div></div>
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This documentation is maintained by <a href="mailto:simon@simonzone.com">Simon Edwards</a>.<br />
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