<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> <title>scim: scim::ReferencedObject Class Reference</title> <link href="doxygen.css" rel="stylesheet" type="text/css"> <link href="tabs.css" rel="stylesheet" type="text/css"> </head><body> <!-- Generated by Doxygen 1.5.0 --> <div class="tabs"> <ul> <li><a href="main.html"><span>Main Page</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li id="current"><a href="classes.html"><span>Classes</span></a></li> <li><a href="files.html"><span>Files</span></a></li> </ul></div> <div class="tabs"> <ul> <li><a href="classes.html"><span>Alphabetical List</span></a></li> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="hierarchy.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul></div> <div class="nav"> <a class="el" href="a00157.html">scim</a>::<a class="el" href="a00072.html">ReferencedObject</a></div> <h1>scim::ReferencedObject Class Reference<br> <small> [<a class="el" href="a00158.html">Accessories</a>, <a class="el" href="a00158.html">Accessories</a>]</small> </h1><!-- doxytag: class="scim::ReferencedObject" -->Reference counted base class. <a href="#_details">More...</a> <p> <code>#include <scim_object.h></code> <p> Inheritance diagram for scim::ReferencedObject:<p><center><img src="a00411.png" border="0" usemap="#a00412" alt="Inheritance graph"></center> <map name="a00412"> <area href="a00002.html" shape="rect" coords="256,7,392,31" alt=""> <area href="a00014.html" shape="rect" coords="260,55,388,79" alt=""> <area href="a00031.html" shape="rect" coords="253,103,395,127" alt=""> <area href="a00050.html" shape="rect" coords="229,151,419,175" alt=""> <area href="a00052.html" shape="rect" coords="225,199,423,223" alt=""> <area href="a00065.html" shape="rect" coords="280,247,368,271" alt=""> <area href="a00095.html" shape="rect" coords="280,295,368,319" alt=""> </map> <center><font size="2">[<a target="top" href="graph_legend.html">legend</a>]</font></center><a href="a00413.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0"> <tr><td></td></tr> <tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00072.html#d1af5e9dc51cce959075cedbd53d0945">is_referenced</a> () const</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00072.html#07512157e0d29d979b901eb8777956f8">ref</a> ()</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Increase an object's reference count by one. <a href="#07512157e0d29d979b901eb8777956f8"></a><br></td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00072.html#35d5e67d9d037b018c7ee1c6bf23cc97">unref</a> ()</td></tr> <tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00072.html#cb5970284a95fa54bd68f045f03d2439">ReferencedObject</a> ()</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <a href="#cb5970284a95fa54bd68f045f03d2439"></a><br></td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="a00072.html#7d4894a08de693fdadc1967f357d1c11">~ReferencedObject</a> ()=0</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="#7d4894a08de693fdadc1967f357d1c11"></a><br></td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00072.html#e962b5a11086bf548d0ad444f18b870d">set_referenced</a> (bool reference)</td></tr> <tr><td colspan="2"><br><h2>Friends</h2></td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><a class="el" href="a00072.html#44775f045074547f5bdd831609e6c77c">Pointer</a></td></tr> </table> <hr><a name="_details"></a><h2>Detailed Description</h2> Reference counted base class. <p> <a class="el" href="a00072.html">ReferencedObject</a> is a reference counting base class. it has an integer reference counter so that dynamic objects can have their memory allocation handled by the scim smart pointer: Pointer<>. This keeps the memory management in scim consistent across all classes. If you derive a class from <a class="el" href="a00072.html">ReferencedObject</a> and allocate it on the heap, you free the memory and destroy the object by calling <a class="el" href="a00072.html#35d5e67d9d037b018c7ee1c6bf23cc97">unref()</a>, not delete. <p> <hr><h2>Constructor & Destructor Documentation</h2> <a class="anchor" name="cb5970284a95fa54bd68f045f03d2439"></a><!-- doxytag: member="scim::ReferencedObject::ReferencedObject" ref="cb5970284a95fa54bd68f045f03d2439" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">scim::ReferencedObject::ReferencedObject </td> <td>(</td> <td class="paramname"> </td> <td> ) </td> <td width="100%"><code> [protected]</code></td> </tr> </table> </div> <div class="memdoc"> <p> Constructor. <p> </div> </div><p> <a class="anchor" name="7d4894a08de693fdadc1967f357d1c11"></a><!-- doxytag: member="scim::ReferencedObject::~ReferencedObject" ref="7d4894a08de693fdadc1967f357d1c11" args="()=0" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">virtual scim::ReferencedObject::~ReferencedObject </td> <td>(</td> <td class="paramname"> </td> <td> ) </td> <td width="100%"><code> [protected, pure virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p> Destructor. <p> </div> </div><p> <hr><h2>Member Function Documentation</h2> <a class="anchor" name="e962b5a11086bf548d0ad444f18b870d"></a><!-- doxytag: member="scim::ReferencedObject::set_referenced" ref="e962b5a11086bf548d0ad444f18b870d" args="(bool reference)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void scim::ReferencedObject::set_referenced </td> <td>(</td> <td class="paramtype">bool </td> <td class="paramname"> <em>reference</em> </td> <td> ) </td> <td width="100%"><code> [protected]</code></td> </tr> </table> </div> <div class="memdoc"> <p> Set the internal referenced flag. <dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>reference</em> </td><td>- <em>true</em> if the initial reference count must be removed by owner.</td></tr> </table> </dl> <br> Called by derived classes to set the referenced flag. A object sets this flag to true , indicating that it owns the initial reference count and <a class="el" href="a00072.html#35d5e67d9d037b018c7ee1c6bf23cc97">unref()</a> must be called. </div> </div><p> <a class="anchor" name="d1af5e9dc51cce959075cedbd53d0945"></a><!-- doxytag: member="scim::ReferencedObject::is_referenced" ref="d1af5e9dc51cce959075cedbd53d0945" args="() const" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">bool scim::ReferencedObject::is_referenced </td> <td>(</td> <td class="paramname"> </td> <td> ) </td> <td width="100%"> const</td> </tr> </table> </div> <div class="memdoc"> <p> The referenced flag setting. <dl class="return" compact><dt><b>Returns:</b></dt><dd><em>true</em> if <a class="el" href="a00072.html#35d5e67d9d037b018c7ee1c6bf23cc97">unref()</a> must be explicitly called on this object. </dd></dl> </div> </div><p> <a class="anchor" name="07512157e0d29d979b901eb8777956f8"></a><!-- doxytag: member="scim::ReferencedObject::ref" ref="07512157e0d29d979b901eb8777956f8" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void scim::ReferencedObject::ref </td> <td>(</td> <td class="paramname"> </td> <td> ) </td> <td width="100%"></td> </tr> </table> </div> <div class="memdoc"> <p> Increase an object's reference count by one. <p> </div> </div><p> <a class="anchor" name="35d5e67d9d037b018c7ee1c6bf23cc97"></a><!-- doxytag: member="scim::ReferencedObject::unref" ref="35d5e67d9d037b018c7ee1c6bf23cc97" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void scim::ReferencedObject::unref </td> <td>(</td> <td class="paramname"> </td> <td> ) </td> <td width="100%"></td> </tr> </table> </div> <div class="memdoc"> <p> Decrease an object's reference count by one. When the reference count becomes zero delete is called. Remember, with <a class="el" href="a00072.html">ReferencedObject</a> you must call <a class="el" href="a00072.html#35d5e67d9d037b018c7ee1c6bf23cc97">unref()</a> on dynmaically allocated objects, not delete. </div> </div><p> <hr><h2>Friends And Related Function Documentation</h2> <a class="anchor" name="44775f045074547f5bdd831609e6c77c"></a><!-- doxytag: member="scim::ReferencedObject::Pointer" ref="44775f045074547f5bdd831609e6c77c" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">friend class <a class="el" href="a00070.html">Pointer</a><code> [friend]</code> </td> </tr> </table> </div> <div class="memdoc"> <p> </div> </div><p> <hr>The documentation for this class was generated from the following file:<ul> <li><a class="el" href="a00142.html">scim_object.h</a></ul> <hr size="1"><address style="align: right;"><small>Generated on Thu Jun 28 14:12:41 2007 for scim by <a href="http://www.doxygen.org/index.html"> <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.0 </small></address> </body> </html>