meta_object.h
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00001 /*
00002  * Copyright (c) 2012, Willow Garage, Inc.
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions are met:
00007  *
00008  *     * Redistributions of source code must retain the above copyright
00009  *       notice, this list of conditions and the following disclaimer.
00010  *     * Redistributions in binary form must reproduce the above copyright
00011  *       notice, this list of conditions and the following disclaimer in the
00012  *       documentation and/or other materials provided with the distribution.
00013  *     * Neither the name of the Willow Garage, Inc. nor the names of its
00014  *       contributors may be used to endorse or promote products derived from
00015  *       this software without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00018  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00021  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00022  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00023  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00024  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00025  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00026  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00027  * POSSIBILITY OF SUCH DAMAGE.
00028  */
00029 
00030 //Note: This header defines a simplication of Poco::MetaObject that allows us to tag MetaObjects with an associated library name.
00031 
00032 #ifndef PLUGINS_PRIVATE_META_OBJECT_DEFINED
00033 #define PLUGINS_PRIVATE_META_OBJECT_DEFINED
00034 
00035 #include <console_bridge/console.h>
00036 #include <vector>
00037 #include <typeinfo>
00038 
00039 namespace class_loader
00040 {
00041 
00042 class ClassLoader; //Forward declaration
00043 
00044 namespace class_loader_private 
00045 {
00046 
00047 typedef std::vector<class_loader::ClassLoader*> ClassLoaderVector;
00048 
00053 class AbstractMetaObjectBase
00054 {  
00055   public:
00056 
00060     AbstractMetaObjectBase(const std::string& class_name, const std::string& base_class_name);
00066     ~AbstractMetaObjectBase();
00067 
00072     std::string className() const;
00073 
00077     std::string baseClassName() const;
00081     std::string typeidBaseClassName() const;
00082 
00087     std::string getAssociatedLibraryPath();
00088 
00092     void setAssociatedLibraryPath(std::string library_path);
00093 
00098     void addOwningClassLoader(ClassLoader* loader);
00099 
00104     void removeOwningClassLoader(const ClassLoader* loader);
00105 
00110     bool isOwnedBy(const ClassLoader* loader);
00111 
00115     bool isOwnedByAnybody();
00116 
00120     ClassLoaderVector getAssociatedClassLoaders();
00121 
00122   protected:
00126     virtual void dummyMethod(){}
00127 
00128   protected:
00129     ClassLoaderVector associated_class_loaders_;    
00130     std::string associated_library_path_;
00131     std::string base_class_name_;
00132     std::string class_name_;
00133     std::string typeid_base_class_name_;
00134 };
00135 
00141 template <class B>
00142 class AbstractMetaObject : public AbstractMetaObjectBase
00143 {
00144   public:
00149     AbstractMetaObject(const std::string& class_name, const std::string& base_class_name) : 
00150     AbstractMetaObjectBase(class_name, base_class_name)
00151     {
00152         AbstractMetaObjectBase::typeid_base_class_name_ = std::string(typeid(B).name());
00153     }
00154 
00159     virtual B* create() const = 0;
00162 
00163   private:
00164     AbstractMetaObject();
00165     AbstractMetaObject(const AbstractMetaObject&);
00166     AbstractMetaObject& operator = (const AbstractMetaObject&);
00167 };
00168 
00175 template <class C, class B>
00176 class MetaObject: public AbstractMetaObject<B>
00177 {
00178   public:
00182     MetaObject(const std::string& class_name, const std::string& base_class_name) :
00183     AbstractMetaObject<B>(class_name, base_class_name)
00184     {
00185     }
00186 
00191     B* create() const
00192     {
00193             return new C;
00194     }
00195 };
00196 
00197 } // End namespace class_loader_private
00198 } // End namespace class_loader
00199 
00200 #endif 


class_loader
Author(s): Mirza Shah
autogenerated on Fri Aug 28 2015 10:17:12