#include <itkSingleMultiThreader.h>

Detailed Description

A class for performing multithreaded execution using only the calling thread.

All work is executed synchronously on the calling thread; no additional threads are created. This is efficient when the application layer is already managing parallelism (e.g., calling ITK filters from multiple threads) and internal ITK threading overhead should be avoided.

Definition at line 39 of file itkSingleMultiThreader.h.

Inheritance diagram for itk::SingleMultiThreader:

Collaboration diagram for itk::SingleMultiThreader:

Public Types
using	ConstPointer = SmartPointer<const Self>

using	Pointer = SmartPointer<Self>

using	Self = SingleMultiThreader

using	Superclass = MultiThreaderBase

Public Types inherited from itk::MultiThreaderBase
using	ArrayThreadingFunctorType = std::function<void(SizeValueType)>

using	ConstPointer = SmartPointer<const Self>

using	Pointer = SmartPointer<Self>

using	Self = MultiThreaderBase

using	Superclass = Object

using	ThreaderEnum = MultiThreaderBaseEnums::Threader

using	ThreadingFunctorType = std::function<void(const IndexValueType index[], const SizeValueType size[])>

Public Types inherited from itk::Object
using	ConstPointer = SmartPointer<const Self>

using	Pointer = SmartPointer<Self>

using	Self = Object

using	Superclass = LightObject

Public Types inherited from itk::LightObject
using	ConstPointer = SmartPointer<const Self>

using	Pointer = SmartPointer<Self>

using	Self = LightObject

Public Member Functions
virtual::itk::LightObject::Pointer	CreateAnother () const

virtual const char *	GetNameOfClass () const

void	ParallelizeArray (SizeValueType firstIndex, SizeValueType lastIndexPlus1, ArrayThreadingFunctorType aFunc, ProcessObject *filter) override

void	ParallelizeImageRegion (unsigned int dimension, const IndexValueType index[], const SizeValueType size[], ThreadingFunctorType funcP, ProcessObject *filter) override

void	SetMaximumNumberOfThreads (ThreadIdType numberOfThreads) override

void	SetNumberOfWorkUnits (ThreadIdType numberOfWorkUnits) override

void	SetSingleMethod (ThreadFunctionType, void *data) override

void	SingleMethodExecute () override

Public Member Functions inherited from itk::MultiThreaderBase
virtual bool	GetUpdateProgress () const

template<unsigned int VDimension, typename TFunction>
ITK_TEMPLATE_EXPORT void	ParallelizeImageRegion (const ImageRegion< VDimension > &requestedRegion, TFunction funcP, ProcessObject *filter)

template<unsigned int VDimension, typename TFunction>
ITK_TEMPLATE_EXPORT void	ParallelizeImageRegionRestrictDirection (unsigned int restrictedDirection, const ImageRegion< VDimension > &requestedRegion, TFunction funcP, ProcessObject *filter)

void	SetSingleMethodAndExecute (ThreadFunctionType func, void *data)

virtual void	SetUpdateProgress (bool updates)

virtual ThreadIdType	GetMaximumNumberOfThreads () const

virtual ThreadIdType	GetNumberOfWorkUnits () const

Public Member Functions inherited from itk::Object
unsigned long	AddObserver (const EventObject &event, Command *cmd) const

unsigned long	AddObserver (const EventObject &event, std::function< void(const EventObject &)> function) const

virtual void	DebugOff () const

virtual void	DebugOn () const

Command *	GetCommand (unsigned long tag)

bool	GetDebug () const

MetaDataDictionary &	GetMetaDataDictionary ()

const MetaDataDictionary &	GetMetaDataDictionary () const

virtual ModifiedTimeType	GetMTime () const

virtual const TimeStamp &	GetTimeStamp () const

bool	HasObserver (const EventObject &event) const

void	InvokeEvent (const EventObject &)

void	InvokeEvent (const EventObject &) const

virtual void	Modified () const

void	Register () const override

void	RemoveAllObservers ()

void	RemoveObserver (unsigned long tag) const

void	SetDebug (bool debugFlag) const

void	SetReferenceCount (int) override

void	UnRegister () const noexcept override

void	SetMetaDataDictionary (const MetaDataDictionary &rhs)

void	SetMetaDataDictionary (MetaDataDictionary &&rrhs)

virtual void	SetObjectName (std::string _arg)

virtual const std::string &	GetObjectName () const

Public Member Functions inherited from itk::LightObject
Pointer	Clone () const

virtual void	Delete ()

virtual int	GetReferenceCount () const

void	Print (std::ostream &os, Indent indent=0) const

Static Public Member Functions
static Pointer	New ()

Static Public Member Functions inherited from itk::MultiThreaderBase
static Pointer	New ()

static ThreaderEnum	ThreaderTypeFromString (std::string threaderString)

static std::string	ThreaderTypeToString (ThreaderEnum threader)

static void	SetGlobalMaximumNumberOfThreads (ThreadIdType val)

static ThreadIdType	GetGlobalMaximumNumberOfThreads ()

static void	SetGlobalDefaultUseThreadPool (const bool GlobalDefaultUseThreadPool)

static bool	GetGlobalDefaultUseThreadPool ()

static void	SetGlobalDefaultThreader (ThreaderEnum threaderType)

static ThreaderEnum	GetGlobalDefaultThreader ()

static void	SetGlobalDefaultNumberOfThreads (ThreadIdType val)

static ThreadIdType	GetGlobalDefaultNumberOfThreads ()

Static Public Member Functions inherited from itk::Object
static bool	GetGlobalWarningDisplay ()

static void	GlobalWarningDisplayOff ()

static void	GlobalWarningDisplayOn ()

static Pointer	New ()

static void	SetGlobalWarningDisplay (bool val)

Static Public Member Functions inherited from itk::LightObject
static void	BreakOnError ()

static Pointer	New ()

Protected Member Functions
void	PrintSelf (std::ostream &os, Indent indent) const override

	SingleMultiThreader ()

	~SingleMultiThreader () override

Protected Member Functions inherited from itk::MultiThreaderBase
	MultiThreaderBase ()

	~MultiThreaderBase () override

Protected Member Functions inherited from itk::Object
	Object ()

bool	PrintObservers (std::ostream &os, Indent indent) const

virtual void	SetTimeStamp (const TimeStamp &timeStamp)

	~Object () override

Protected Member Functions inherited from itk::LightObject
virtual LightObject::Pointer	InternalClone () const

	LightObject ()

virtual void	PrintHeader (std::ostream &os, Indent indent) const

virtual void	PrintTrailer (std::ostream &os, Indent indent) const

virtual	~LightObject ()

Friends
class	ProcessObject

Additional Inherited Members
Static Protected Member Functions inherited from itk::MultiThreaderBase
static ITK_THREAD_RETURN_FUNCTION_CALL_CONVENTION	ParallelizeArrayHelper (void *arg)

static ITK_THREAD_RETURN_FUNCTION_CALL_CONVENTION	ParallelizeImageRegionHelper (void *arg)

static ITK_THREAD_RETURN_FUNCTION_CALL_CONVENTION	SingleMethodProxy (void *arg)

Protected Attributes inherited from itk::MultiThreaderBase
ThreadIdType	m_MaximumNumberOfThreads {}

ThreadIdType	m_NumberOfWorkUnits {}

void *	m_SingleData { nullptr }

ThreadFunctionType	m_SingleMethod { nullptr }

Protected Attributes inherited from itk::LightObject
std::atomic< int >	m_ReferenceCount {}

Member Typedef Documentation

◆ ConstPointer

using itk::SingleMultiThreader::ConstPointer = SmartPointer<const Self>

Definition at line 48 of file itkSingleMultiThreader.h.

◆ Pointer

using itk::SingleMultiThreader::Pointer = SmartPointer<Self>

Definition at line 47 of file itkSingleMultiThreader.h.

◆ Self

using itk::SingleMultiThreader::Self = SingleMultiThreader

Standard class type aliases.

Definition at line 45 of file itkSingleMultiThreader.h.

◆ Superclass

using itk::SingleMultiThreader::Superclass = MultiThreaderBase

Definition at line 46 of file itkSingleMultiThreader.h.

Constructor & Destructor Documentation

◆ SingleMultiThreader()

itk::SingleMultiThreader::SingleMultiThreader ( )

protected

Referenced by GetNameOfClass().

◆ ~SingleMultiThreader()

itk::SingleMultiThreader::~SingleMultiThreader ( )

overrideprotected

Member Function Documentation

◆ CreateAnother()

virtual::itk::LightObject::Pointer itk::SingleMultiThreader::CreateAnother ( ) const

virtual

Create an object from an instance, potentially deferring to a factory. This method allows you to create an instance of an object that is exactly the same type as the referring object. This is useful in cases where an object has been cast back to a base class.

Reimplemented from itk::Object.

◆ GetNameOfClass()

virtual const char * itk::SingleMultiThreader::GetNameOfClass ( ) const

virtual

See also: LightObject::GetNameOfClass()

Reimplemented from itk::MultiThreaderBase.

References SingleMultiThreader().

◆ New()

static Pointer itk::SingleMultiThreader::New ( )

static

Method for creation through the object factory.

◆ ParallelizeArray()

void itk::SingleMultiThreader::ParallelizeArray	(	SizeValueType	firstIndex,
		SizeValueType	lastIndexPlus1,
		ArrayThreadingFunctorType	aFunc,
		ProcessObject *	filter )

overridevirtual

Parallelize an operation over an array by executing it serially on the calling thread.

Reimplemented from itk::MultiThreaderBase.

References ProcessObject.

◆ ParallelizeImageRegion()

void itk::SingleMultiThreader::ParallelizeImageRegion	(	unsigned int	dimension,
		const IndexValueType	index[],
		const SizeValueType	size[],
		ThreadingFunctorType	funcP,
		ProcessObject *	filter )

overridevirtual

Break up region into smaller chunks. SingleThreader processes the entire region in a single call on the calling thread.

Reimplemented from itk::MultiThreaderBase.

References ProcessObject.

◆ PrintSelf()

void itk::SingleMultiThreader::PrintSelf	(	std::ostream &	os,
		Indent	indent ) const

overrideprotectedvirtual

Methods invoked by Print() to print information about the object including superclasses. Typically not called by the user (use Print() instead) but used in the hierarchical print process to combine the output of several classes.

Reimplemented from itk::MultiThreaderBase.