79 lines
2.7 KiB
C++
79 lines
2.7 KiB
C++
#ifndef FSFW_OBJECTMANAGER_OBJECTMANAGER_H_
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#define FSFW_OBJECTMANAGER_OBJECTMANAGER_H_
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#include "ObjectManagerIF.h"
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#include "SystemObjectIF.h"
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#include <map>
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/**
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* @brief This class implements a global object manager.
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* @details This manager handles a list of available objects with system-wide
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* relevance, such as device handlers, and TM/TC services. Objects can
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* be inserted, removed and retrieved from the list. In addition, the
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* class holds a so-called factory, that creates and inserts new
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* objects if they are not already in the list. This feature automates
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* most of the system initialization.
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* As the system is static after initialization, no new objects are
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* created or inserted into the list after startup.
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* @ingroup system_objects
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* @author Bastian Baetz
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*/
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class ObjectManager : public ObjectManagerIF {
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public:
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using produce_function_t = void (*) (void* args);
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/**
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* Returns the single instance of TaskFactory.
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* The implementation of #instance is found in its subclasses.
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* Thus, we choose link-time variability of the instance.
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*/
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static ObjectManager* instance();
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void setObjectFactoryFunction(produce_function_t prodFunc, void* args);
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template <typename T> T* get( object_id_t id );
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/**
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* @brief In the class's destructor, all objects in the list are deleted.
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*/
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virtual ~ObjectManager();
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ReturnValue_t insert(object_id_t id, SystemObjectIF* object) override;
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ReturnValue_t remove(object_id_t id) override;
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void initialize() override;
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void printList() override;
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protected:
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SystemObjectIF* getSystemObject(object_id_t id) override;
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/**
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* @brief This attribute is initialized with the factory function
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* that creates new objects.
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* @details The function is called if an object was requested with
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* getSystemObject, but not found in objectList.
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* @param The id of the object to be created.
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* @return Returns a pointer to the newly created object or NULL.
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*/
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produce_function_t objectFactoryFunction = nullptr;
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void* factoryArgs = nullptr;
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private:
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ObjectManager();
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/**
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* @brief This is the map of all initialized objects in the manager.
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* @details Objects in the List must inherit the SystemObjectIF.
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*/
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std::map<object_id_t, SystemObjectIF*> objectList;
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static ObjectManager* objManagerInstance;
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};
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// Documentation can be found in the class method declaration above
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template <typename T>
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T* ObjectManager::get( object_id_t id ) {
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SystemObjectIF* temp = this->getSystemObject(id);
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return dynamic_cast<T*>(temp);
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}
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#endif /* FSFW_OBJECTMANAGER_OBJECTMANAGER_H_ */
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