berryHandleObject.h

Go to the documentation of this file.

/*============================================================================
 
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 BERRYHANDLEOBJECT_H_
#define BERRYHANDLEOBJECT_H_
 
#include <berryMacros.h>
#include <berryObject.h>
#include <org_blueberry_core_commands_Export.h>
 
#include <QHash>
 
namespace berry {
 
class BERRY_COMMANDS HandleObject : public virtual Object { // extends EventManager implements IIdentifiable {
 
public:
 
  berryObjectMacro(HandleObject);
 
private:
 
  static const uint HASH_CODE_NOT_COMPUTED; // = 0;
 
  static const uint HASH_FACTOR; // = 89;
 
  static const uint HASH_INITIAL;
 
  mutable uint hashCode; // = HASH_CODE_NOT_COMPUTED;
 
 
protected:
 
   bool defined;
 
  const  QString id;
 
  mutable QString str;
 
  HandleObject(const QString& id);
 
 
public:
 
   bool operator==(const Object* object) const override;
 
   QString GetId() const;
 
   uint HashCode() const override
   {
     if (hashCode == HASH_CODE_NOT_COMPUTED)
     {
       hashCode = HASH_INITIAL * HASH_FACTOR + qHash(id);
       if (hashCode == HASH_CODE_NOT_COMPUTED)
       {
         hashCode++;
       }
     }
     return hashCode;
   }
 
    bool IsDefined() const;
 
    virtual void Undefine() = 0;
};
 
}
 
#endif /*BERRYHANDLEOBJECT_H_*/