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<div class="title">objectFactory.h</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// This file may be redistributed and modified only under the terms of</span>
<a name="l00002"></a>00002 <span class="comment">// the GNU Lesser General Public License (See COPYING for details).</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright (C) 2000 Aloril</span>
<a name="l00004"></a>00004 <span class="comment">// Copyright (C) 2005 Al Riddoch</span>
<a name="l00005"></a>00005
<a name="l00006"></a>00006 <span class="comment">// $Id$</span>
<a name="l00007"></a>00007
<a name="l00008"></a>00008 <span class="preprocessor">#ifndef ATLAS_OBJECTS_OBJECTFACTORY_H</span>
<a name="l00009"></a>00009 <span class="preprocessor"></span><span class="preprocessor">#define ATLAS_OBJECTS_OBJECTFACTORY_H</span>
<a name="l00010"></a>00010 <span class="preprocessor"></span>
<a name="l00011"></a>00011 <span class="preprocessor">#include <Atlas/Objects/Root.h></span>
<a name="l00012"></a>00012 <span class="preprocessor">#include <Atlas/Objects/SmartPtr.h></span>
<a name="l00013"></a>00013
<a name="l00014"></a>00014 <span class="preprocessor">#include <string></span>
<a name="l00015"></a>00015 <span class="preprocessor">#include <list></span>
<a name="l00016"></a>00016 <span class="preprocessor">#include <map></span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="keyword">namespace </span>Atlas { <span class="keyword">namespace </span>Objects {
<a name="l00019"></a>00019
<a name="l00020"></a><a class="code" href="class_atlas_1_1_objects_1_1_no_such_factory_exception.html">00020</a> <span class="keyword">class </span><a class="code" href="class_atlas_1_1_objects_1_1_no_such_factory_exception.html">NoSuchFactoryException</a> : <span class="keyword">public</span> Atlas::<a class="code" href="class_atlas_1_1_exception.html" title="Base class for all exceptions thrown by Atlas-C++.">Exception</a>
<a name="l00021"></a>00021 {
<a name="l00022"></a>00022 <span class="keyword">protected</span>:
<a name="l00023"></a>00023 std::string name;
<a name="l00024"></a>00024 <span class="keyword">public</span>:
<a name="l00025"></a>00025 <a class="code" href="class_atlas_1_1_objects_1_1_no_such_factory_exception.html">NoSuchFactoryException</a>(<span class="keyword">const</span> std::string& name) :
<a name="l00026"></a>00026 <a class="code" href="class_atlas_1_1_exception.html" title="Base class for all exceptions thrown by Atlas-C++.">Atlas::Exception</a>(<span class="stringliteral">"No factory for Objects type"</span>), name(name) { }
<a name="l00027"></a>00027 <span class="keyword">virtual</span> ~<a class="code" href="class_atlas_1_1_objects_1_1_no_such_factory_exception.html">NoSuchFactoryException</a>() <span class="keywordflow">throw</span> ();
<a name="l00028"></a>00028 <span class="keyword">const</span> std::string & getName() {
<a name="l00029"></a>00029 <span class="keywordflow">return</span> name;
<a name="l00030"></a>00030 }
<a name="l00031"></a>00031 };
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="keyword">template</span> <<span class="keyword">class</span> T>
<a name="l00034"></a>00034 <span class="keyword">static</span> <a class="code" href="class_atlas_1_1_objects_1_1_smart_ptr.html">SmartPtr<RootData></a> factory(<span class="keyword">const</span> std::string &, <span class="keywordtype">int</span>)
<a name="l00035"></a>00035 {
<a name="l00036"></a>00036 <a class="code" href="class_atlas_1_1_objects_1_1_smart_ptr.html">SmartPtr<T></a> obj;
<a name="l00037"></a>00037 <span class="keywordflow">return</span> obj;
<a name="l00038"></a>00038 }
<a name="l00039"></a>00039
<a name="l00040"></a>00040 SmartPtr<RootData> generic_factory(<span class="keyword">const</span> std::string & name, <span class="keywordtype">int</span> no);
<a name="l00041"></a>00041 SmartPtr<RootData> anonymous_factory(<span class="keyword">const</span> std::string & name, <span class="keywordtype">int</span> no);
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="keyword">typedef</span> Root (*FactoryMethod)(<span class="keyword">const</span> std::string &, int);
<a name="l00044"></a>00044 <span class="keyword">typedef</span> std::map<const std::string, std::pair<FactoryMethod, int> > FactoryMap;
<a name="l00045"></a>00045
<a name="l00046"></a><a class="code" href="class_atlas_1_1_objects_1_1_factories.html">00046</a> <span class="keyword">class </span><a class="code" href="class_atlas_1_1_objects_1_1_factories.html">Factories</a>
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048 <span class="keyword">public</span>:
<a name="l00049"></a>00049 <span class="keyword">friend</span> <span class="keyword">class </span>AddFactories;
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <a class="code" href="class_atlas_1_1_objects_1_1_factories.html">Factories</a>();
<a name="l00052"></a>00052 <span class="keyword">explicit</span> <a class="code" href="class_atlas_1_1_objects_1_1_factories.html">Factories</a>(<span class="keyword">const</span> <a class="code" href="class_atlas_1_1_objects_1_1_factories.html">Factories</a> &);
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="keywordtype">bool</span> hasFactory(<span class="keyword">const</span> std::string& name);
<a name="l00055"></a>00055 <a class="code" href="class_atlas_1_1_objects_1_1_smart_ptr.html">Root</a> createObject(<span class="keyword">const</span> std::string& name);
<a name="l00056"></a>00056 <a class="code" href="class_atlas_1_1_objects_1_1_smart_ptr.html">Root</a> createObject(<span class="keyword">const</span> Atlas::Message::MapType & msg);
<a name="l00057"></a>00057 std::list<std::string> getKeys();
<a name="l00058"></a>00058 <span class="keywordtype">int</span> addFactory(<span class="keyword">const</span> std::string& name, FactoryMethod method);
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="keyword">static</span> <a class="code" href="class_atlas_1_1_objects_1_1_factories.html">Factories</a> * instance();
<a name="l00061"></a>00061 <span class="keyword">private</span>:
<a name="l00062"></a>00062 FactoryMap m_factories;
<a name="l00063"></a>00063 <span class="keyword">static</span> <a class="code" href="class_atlas_1_1_objects_1_1_factories.html">Factories</a> * m_instance;
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="keywordtype">void</span> addFactory(<span class="keyword">const</span> std::string& name, FactoryMethod method, <span class="keywordtype">int</span> classno);
<a name="l00066"></a>00066 };
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="keyword">extern</span> std::map<const std::string, Root> objectDefinitions;
<a name="l00069"></a>00069
<a name="l00070"></a>00070 } } <span class="comment">// namespace Atlas::Objects</span>
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="preprocessor">#endif // ATLAS_OBJECTS_OBJECTFACTORY_H</span>
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