sitkCommand.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef sitkCommand_h
#define sitkCommand_h
 
 
#include "sitkCommon.h"
#include "sitkObjectOwnedBase.h"
 
#include <set>
 
namespace itk::simple
{
 
class ProcessObject;

class SITKCommon_EXPORT Command : public ObjectOwnedBase
{
public:
  Command();

  virtual ~Command() override;

  std::string
  GetName() const override;
  void
  SetName(const std::string & n) override;

  virtual void
  Execute();
 
protected:
  friend class itk::simple::ProcessObject;
 
#ifndef SWIG
  // internal methods to maintain reference between ProcessObject and
  // Command, so when either is destroyed, the other will be notified.
  //
  // Return value is the number of referenced process objects after
  // operation.
  virtual size_t
  AddProcessObject(itk::simple::ProcessObject * o);
  virtual size_t
  RemoveProcessObject(const itk::simple::ProcessObject * o);
 
#endif
};
 
} // namespace itk::simple
 
#endif