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<title>UCommon: ucc::LockedPointer Class Reference</title>
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<div class="navpath"><a class="el" href="a00214.html">ucc</a>::<a class="el" href="a00074.html">LockedPointer</a>
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<h1>ucc::LockedPointer Class Reference</h1><!-- doxytag: class="ucc::LockedPointer" -->
<p>An object pointer that uses mutex to assure thread-safe singleton use.
<a href="#_details">More...</a></p>
<p><code>#include <<a class="el" href="a00208_source.html">thread.h</a>></code></p>
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Inheritance diagram for ucc::LockedPointer:</div>
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<div class="center"><img src="a00427.png" border="0" usemap="#ucc_1_1_locked_pointer_inherit__map" alt="Inheritance graph"/></div>
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<center><span class="legend">[<a target="top" href="graph_legend.html">legend</a>]</span></center></div>
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Collaboration diagram for ucc::LockedPointer:</div>
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<div class="center"><img src="a00428.png" border="0" usemap="#ucc_1_1_locked_pointer_coll__map" alt="Collaboration graph"/></div>
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<tr><td colspan="2"><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00093.html">Object</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00074.html#ab6be35e0d4b474daf41cb77d60c0516e">dup</a> (void)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create a duplicate reference counted instance of the current object. <a href="#ab6be35e0d4b474daf41cb77d60c0516e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9c5636fc670d17fa64f31b15e03e2ec0"></a><!-- doxytag: member="ucc::LockedPointer::LockedPointer" ref="a9c5636fc670d17fa64f31b15e03e2ec0" args="()" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="a00074.html#a9c5636fc670d17fa64f31b15e03e2ec0">LockedPointer</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create an instance of a locked pointer. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00074.html#aaccfd4426c0e71db69ead8756e79e319">operator=</a> (<a class="el" href="a00093.html">Object</a> *object)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Replace existing object through assignment. <a href="#aaccfd4426c0e71db69ead8756e79e319"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00074.html#a5b9837592b12017913370203e87547e5">replace</a> (<a class="el" href="a00093.html">Object</a> *object)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Replace existing object with a new one for next request. <a href="#a5b9837592b12017913370203e87547e5"></a><br/></td></tr>
<tr><td colspan="2"><h2>Friends</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a91d08dfb02dbbdb15caab4ae0504eb59"></a><!-- doxytag: member="ucc::LockedPointer::locked_release" ref="a91d08dfb02dbbdb15caab4ae0504eb59" args="" -->
class </td><td class="memItemRight" valign="bottom"><b>locked_release</b></td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>An object pointer that uses mutex to assure thread-safe singleton use. </p>
<p>This class is used to support a threadsafe replacable pointer to a object. This class is used to form and support the templated <a class="el" href="a00072.html" title="Templated locked pointer for referencing locked objects of specific type.">locked_pointer</a> class and used with the <a class="el" href="a00073.html" title="Auto-pointer support class for locked objects.">locked_release</a> class. An example of where this might be used is in config file parsers, where a seperate thread may process and generate a new config object for new threads to refernce, while the old configuration continues to be used by a reference counted instance that goes away when it falls out of scope. </p>
<dl class="author"><dt><b>Author:</b></dt><dd>David Sugar <<a href="mailto:dyfet@gnutelephony.org">dyfet@gnutelephony.org</a>> </dd></dl>
<p>Definition at line <a class="el" href="a00208_source.html#l01336">1336</a> of file <a class="el" href="a00208_source.html">thread.h</a>.</p>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="ab6be35e0d4b474daf41cb77d60c0516e"></a><!-- doxytag: member="ucc::LockedPointer::dup" ref="ab6be35e0d4b474daf41cb77d60c0516e" args="(void)" -->
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<td class="memname"><a class="el" href="a00093.html">Object</a>* ucc::LockedPointer::dup </td>
<td>(</td>
<td class="paramtype">void </td>
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<td> ) </td>
<td><code> [protected]</code></td>
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<p>Create a duplicate reference counted instance of the current object. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>duplicate reference counted object. </dd></dl>
<p>Reimplemented in <a class="el" href="a00072.html#a25f62d2b2bbdbd930cbe38f4177f0f80">ucc::locked_pointer< T ></a>.</p>
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<a class="anchor" id="aaccfd4426c0e71db69ead8756e79e319"></a><!-- doxytag: member="ucc::LockedPointer::operator=" ref="aaccfd4426c0e71db69ead8756e79e319" args="(Object *object)" -->
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<td class="memname">void ucc::LockedPointer::operator= </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00093.html">Object</a> * </td>
<td class="paramname"> <em>object</em></td>
<td> ) </td>
<td><code> [inline, protected]</code></td>
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<p>Replace existing object through assignment. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>object</em> </td><td>to assign. </td></tr>
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</dd>
</dl>
<p>Definition at line <a class="el" href="a00208_source.html#l01365">1365</a> of file <a class="el" href="a00208_source.html">thread.h</a>.</p>
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<a class="anchor" id="a5b9837592b12017913370203e87547e5"></a><!-- doxytag: member="ucc::LockedPointer::replace" ref="a5b9837592b12017913370203e87547e5" args="(Object *object)" -->
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<td class="memname">void ucc::LockedPointer::replace </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00093.html">Object</a> * </td>
<td class="paramname"> <em>object</em></td>
<td> ) </td>
<td><code> [protected]</code></td>
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<p>Replace existing object with a new one for next request. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>object</em> </td><td>to register with pointer. </td></tr>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>ucommon/<a class="el" href="a00208_source.html">thread.h</a></li>
</ul>
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