itk::Command Class Reference
[ITK System Objects]

superclass for callback/observer methods. More...

#include <itkCommand.h>

Inheritance diagram for itk::Command:

[legend]Collaboration diagram for itk::Command:

[legend]List of all members.

Public Types
typedef Command	Self
typedef Object	Superclass
typedef SmartPointer< Self >	Pointer
typedef SmartPointer< const Self >	ConstPointer
Public Methods
virtual const char *	GetClassName () const
virtual void	Execute (Object *caller, const EventObject &event)=0
virtual void	Execute (const Object *caller, const EventObject &event)=0

---

Detailed Description

superclass for callback/observer methods.

Command is an implementation of the command design pattern that is used in callbacks (such as StartMethod(), ProgressMethod(), and EndMethod()) in ITK. itkObject implements a Subject/Observer pattern. When a subject needs to notify a observer, it does so using a itkCommand. The Execute method is called to run the command.

Definition at line 40 of file itkCommand.h.

---

Member Typedef Documentation

typedef SmartPointer<const Self> itk::Command::ConstPointer

Reimplemented from itk::Object. Reimplemented in itk::WatershedMiniPipelineProgressCommand. Definition at line 47 of file itkCommand.h.

typedef SmartPointer<Self> itk::Command::Pointer

Reimplemented from itk::Object. Reimplemented in itk::WatershedMiniPipelineProgressCommand, itk::MemberCommand< T >, itk::ReceptorMemberCommand< T >, itk::SimpleMemberCommand< T >, itk::SimpleConstMemberCommand< T >, and itk::CStyleCommand. Definition at line 46 of file itkCommand.h.

typedef Command itk::Command::Self

Standard class typedefs. Reimplemented from itk::Object. Reimplemented in itk::WatershedMiniPipelineProgressCommand, itk::MemberCommand< T >, itk::ReceptorMemberCommand< T >, itk::SimpleMemberCommand< T >, itk::SimpleConstMemberCommand< T >, and itk::CStyleCommand. Definition at line 44 of file itkCommand.h.

typedef Object itk::Command::Superclass

Reimplemented from itk::Object. Reimplemented in itk::WatershedMiniPipelineProgressCommand. Definition at line 45 of file itkCommand.h.

---

Member Function Documentation

virtual void itk::Command::Execute (  const Object *    caller, const EventObject &    event )  [pure virtual]

Abstract method that defines the action to be taken by the command. This variant is expected to be used when requests comes from a const Object Implemented in itk::WatershedMiniPipelineProgressCommand, itk::MemberCommand< T >, itk::ReceptorMemberCommand< T >, itk::SimpleMemberCommand< T >, itk::SimpleConstMemberCommand< T >, and itk::CStyleCommand.

virtual void itk::Command::Execute (  Object *    caller, const EventObject &    event )  [pure virtual]

Abstract method that defines the action to be taken by the command. Implemented in itk::WatershedMiniPipelineProgressCommand, itk::MemberCommand< T >, itk::ReceptorMemberCommand< T >, itk::SimpleMemberCommand< T >, itk::SimpleConstMemberCommand< T >, and itk::CStyleCommand.

virtual const char* itk::Command::GetClassName (    )  const [virtual]

Run-time type information (and related methods). Reimplemented from itk::Object. Reimplemented in itk::WatershedMiniPipelineProgressCommand, itk::MemberCommand< T >, itk::ReceptorMemberCommand< T >, itk::SimpleMemberCommand< T >, itk::SimpleConstMemberCommand< T >, and itk::CStyleCommand.

---

The documentation for this class was generated from the following file:

• itkCommand.h

---