berryISafeRunnable.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 BERRYISAFERUNNABLE_H_
#define BERRYISAFERUNNABLE_H_
 
#include <berryObject.h>
#include <berryMacros.h>
 
#include <org_blueberry_core_runtime_Export.h>
 
namespace berry
{
 
struct org_blueberry_core_runtime_EXPORT ISafeRunnable: public Object
{
 
  berryObjectMacro(berry::ISafeRunnable);
 
  virtual void HandleException(const ctkException& exception) = 0;
 
  virtual void Run() = 0;
};
 
template<typename R>
struct SafeRunnableDelegate: public ISafeRunnable
{
  typedef void(R::*RunCallback)();
  typedef void(R::*HandleExcCallback)(const std::exception&);
 
  SafeRunnableDelegate(R* runnable, RunCallback func, HandleExcCallback handleFunc = 0) :
    m_Runnable(runnable), m_RunFunc(func), m_HandleExcFunc(handleFunc)
  {
  }
 
  void Run() override
  {
    m_Runnable->*m_RunFunc();
  }
 
  void HandleException(const ctkException& exception) override
  {
    if (m_HandleExcFunc)
      m_Runnable->*m_HandleExcFunc(exception);
  }
 
private:
 
  R* m_Runnable;
  RunCallback m_RunFunc;
  HandleExcCallback m_HandleExcFunc;
 
};
 
}
 
#endif /* BERRYISAFERUNNABLE_H_ */