usServiceObjects.h

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/*============================================================================
 
The Medical Imaging Interaction Toolkit (MITK)
 
Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.
 
Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.
 
============================================================================*/
 
#ifndef USSERVICEOBJECTS_H
#define USSERVICEOBJECTS_H
 
#include <usGlobalConfig.h>
#include <MitkCppMicroServicesExports.h>
 
#include <usModuleContext.h>
#include <usPrototypeServiceFactory.h>
#include <usServiceReference.h>
#include <usServiceProperties.h>
 
namespace us {
 
class ServiceObjectsBasePrivate;
 
class MITKCPPMICROSERVICES_EXPORT ServiceObjectsBase
{
 
private:
 
  ServiceObjectsBasePrivate* d;
 
protected:
 
  ServiceObjectsBase(ModuleContext* context, const ServiceReferenceBase& reference);
 
  ServiceObjectsBase(const ServiceObjectsBase& other);
 
  ~ServiceObjectsBase();
 
  ServiceObjectsBase& operator=(const ServiceObjectsBase& other);
 
  void* GetService() const;
 
  InterfaceMap GetServiceInterfaceMap() const;
 
  void UngetService(void* service);
 
  void UngetService(const InterfaceMap& interfaceMap);
 
  ServiceReferenceBase GetReference() const;
 
};
 
template<class S>
class ServiceObjects : private ServiceObjectsBase
{
 
public:
 
  S* GetService() const
  {
    return reinterpret_cast<S*>(this->ServiceObjectsBase::GetService());
  }
 
  void UngetService(S* service)
  {
    this->ServiceObjectsBase::UngetService(service);
  }
 
  ServiceReference<S> GetServiceReference() const
  {
    return this->ServiceObjectsBase::GetReference();
  }
 
private:
 
  friend class ModuleContext;
 
  ServiceObjects(ModuleContext* context, const ServiceReference<S>& reference)
    : ServiceObjectsBase(context, reference)
  {}
 
};
 
template<>
class MITKCPPMICROSERVICES_EXPORT ServiceObjects<void> : private ServiceObjectsBase
{
 
public:
 
  InterfaceMap GetService() const;
 
  void UngetService(const InterfaceMap& service);
 
  ServiceReferenceU GetServiceReference() const;
 
private:
 
  friend class ModuleContext;
 
  ServiceObjects(ModuleContext* context, const ServiceReferenceU& reference);
 
};
 
}
 
#endif // USSERVICEOBJECTS_H