Initial commit

Lts/Viewer/SituationMap/Map/generic_object_factory.h

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+/**
+  * @RDE_HEADER@
+  * Construction of MapObjects
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  */
+
+#pragma once
+
+
+// Own
+#include "abstract_map_object.h"
+#include "situation_map_utils.h"
+#include <Common/ref_pointer.h>
+#include <situation_map_export.h>
+#include <Common/situation_map_logging.h>
+
+
+#include <typeindex>
+
+//----------------------------------------------------------------------------
+namespace SituationMap
+{
+
+// forward
+class Map;
+class ObjectFactory;
+
+
+/**
+ * @brief The GenericObjectFactoryBase class define the interface for GenericObjectFactory.
+ */
+class SITUATIONMAP_EXPORT GenericObjectFactoryBase
+{
+public:
+  /*! \name Construction, Destruction */
+  //@{
+  /**
+   * @brief Contructor.
+   * (In case of base class for GenericObjectFactory, map stays null)
+   */
+  GenericObjectFactoryBase()
+    : m_logger(getLogger("GenericObjectFactoryBase"))
+  {}
+
+  /**
+   * @brief Destruktor
+   */
+  virtual ~GenericObjectFactoryBase() = default;
+  //@}
+
+  GenericObjectFactoryBase(const GenericObjectFactoryBase &other)     = delete;
+  GenericObjectFactoryBase &operator=(GenericObjectFactoryBase &other) = delete;
+
+  virtual RefPointer<AbstractMapObject> makeObj(const QString &debugInfo = QString()) = 0;
+  virtual std::type_index               getTypeIndexOfImplementation()                = 0;
+
+private:
+  LOGGER_T m_logger;      ///< Interface of the Logging-Facility
+};
+
+
+
+//----------------------------------------------------------------------------
+// Generic Object Factory
+//----------------------------------------------------------------------------
+/**
+ * @brief The GenericObjectFactory class to create concrete MapObjects
+ */
+template <typename IMPL_TYPE>
+class GenericObjectFactory final : public GenericObjectFactoryBase
+{
+public:
+  /*! \name Construction, Destruction */
+  //@{
+  /**
+   * @brief Contructor.
+   */
+  GenericObjectFactory() = default;
+  /**
+   * @brief Destructor.
+   */
+  ~GenericObjectFactory() = default;
+  //@}
+
+protected:
+  /**
+   * @brief Create MapObject.
+   * @param debugInfo for the MapObject.
+   * @return RefPointer with object.
+   */
+  RefPointer<AbstractMapObject> makeObj(const QString &debugInfo = QString()) override
+  {
+    AbstractMapObject *obj = new IMPL_TYPE(debugInfo);
+    return RefPointer<AbstractMapObject>(obj);
+  }
+
+  /**
+   * @brief Get type_index of associated implementation.
+   * @return type_index this GenericObjectFactory::makeObj() will create.
+   * @internal Will be used within ObjectFactory::interfaceToImplementation.
+   */
+  std::type_index getTypeIndexOfImplementation() override
+  {
+    return std::type_index(typeid(IMPL_TYPE));
+  }
+
+};
+
+
+
+} // namespace SituationMap
+