Robin.Mueller
e950051b4a
objectmanager get function checks whether global object manager was initialized now. New returnvalues, which are also used for local pool init
104 lines
3.9 KiB
C++
104 lines
3.9 KiB
C++
/**
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* @file ObjectManagerIF.h
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* @brief This file contains the implementation of the ObjectManagerIF interface
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* @date 19.09.2012
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* @author Bastian Baetz
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*/
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#ifndef OBJECTMANAGERIF_H_
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#define OBJECTMANAGERIF_H_
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#include <framework/objectmanager/frameworkObjects.h>
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#include <config/objects/systemObjectList.h>
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#include <framework/objectmanager/SystemObjectIF.h>
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#include <framework/returnvalues/HasReturnvaluesIF.h>
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#include <framework/serviceinterface/ServiceInterfaceStream.h>
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/**
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* @brief This class provides an interface to the 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. They can be
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* inserted, removed and retrieved from the list. On getting the
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* object, the call checks if the object implements the requested
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* interface.
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* \ingroup system_objects
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*/
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class ObjectManagerIF : public HasReturnvaluesIF {
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public:
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static constexpr uint8_t INTERFACE_ID = CLASS_ID::OBJECT_MANAGER_IF;
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static constexpr ReturnValue_t INSERTION_FAILED = MAKE_RETURN_CODE( 1 );
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static constexpr ReturnValue_t NOT_FOUND = MAKE_RETURN_CODE( 2 );
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static constexpr ReturnValue_t CHILD_INIT_FAILED = MAKE_RETURN_CODE( 3 );
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static constexpr ReturnValue_t INTERNAL_ERR_REPORTER_UNINIT = MAKE_RETURN_CODE( 4 );
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protected:
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/**
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* @brief This method is used to hide the template-based get call from
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* a specific implementation.
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* @details So, an implementation only has to implement this call.
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* @param id The object id of the requested object.
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* @return The method returns a pointer to an object implementing (at
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* least) the SystemObjectIF, or NULL.
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*/
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virtual SystemObjectIF* getSystemObject( object_id_t id ) = 0;
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public:
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/**
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* @brief This is the empty virtual destructor as requested by C++ interfaces.
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*/
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virtual ~ObjectManagerIF( void ) {};
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/**
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* @brief With this call, new objects are inserted to the list.
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* @details The implementation shall return an error code in case the
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* object can't be added (e.g. the id is already in use).
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* @param id The new id to be added to the list.
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* @param object A pointer to the object to be added.
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* @return @li INSERTION_FAILED in case the object could not be inserted.
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* @li RETURN_OK in case the object was successfully inserted
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*/
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virtual ReturnValue_t insert( object_id_t id, SystemObjectIF* object ) = 0;
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/**
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* @brief With the get call, interfaces of an object can be retrieved in
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* a type-safe manner.
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* @details With the template-based call, the object list is searched with the
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* getSystemObject method and afterwards it is checked, if the object
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* implements the requested interface (with a dynamic_cast).
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* @param id The object id of the requested object.
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* @return The method returns a pointer to an object implementing the
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* requested interface, or NULL.
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*/
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template <typename T> T* get( object_id_t id );
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/**
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* @brief With this call, an object is removed from the list.
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* @param id The object id of the object to be removed.
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* @return \li NOT_FOUND in case the object was not found
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* \li RETURN_OK in case the object was successfully removed
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*/
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virtual ReturnValue_t remove( object_id_t id ) = 0;
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virtual void initialize() = 0;
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/**
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* @brief This is a debug function, that prints the current content of the
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* object list.
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*/
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virtual void printList() = 0;
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};
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/**
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* @brief This is the forward declaration of the global objectManager instance.
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*/
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extern ObjectManagerIF *objectManager;
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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* ObjectManagerIF::get( object_id_t id ) {
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if(objectManager == nullptr) {
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sif::error << "ObjectManagerIF: Global object manager has not "
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"been initialized yet!" << std::endl;
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std::exit(0);
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}
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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 /* OBJECTMANAGERIF_H_ */
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