Streamer around a map container.

For optimization reasons this functionality is separated from the TEmulatedProxy.

Definition at line 16 of file TEmulatedMapProxy.h.

Public Member Functions
	TEmulatedMapProxy (const char *cl_name, Bool_t silent)

	TEmulatedMapProxy (const TEmulatedMapProxy &copy)

	~TEmulatedMapProxy () override

void *	At (UInt_t idx) override
	Return the address of the value at index `idx`

TVirtualCollectionProxy *	Generate () const override
	Returns a clean object of the actual class that derives from TVirtualCollectionProxy.

void	ReadBuffer (TBuffer &buff, void *pObj) override

void	ReadBuffer (TBuffer &buff, void pObj, const TClass onfile) override

UInt_t	Size () const override
	Return the current number of elements in the container.

void	Streamer (TBuffer &buff, void *pObj, int siz) override
	Streamer I/O overload.

void	Streamer (TBuffer &refBuffer) override
	Streamer Function.

Public Member Functions inherited from TEmulatedCollectionProxy
	TEmulatedCollectionProxy (const char *cl_name, Bool_t silent)

	TEmulatedCollectionProxy (const TEmulatedCollectionProxy &copy)

	~TEmulatedCollectionProxy () override

void *	Allocate (UInt_t n, Bool_t forceDelete) override
	Allocates space for storing at least `n` elements.

void	Clear (const char *opt="") override
	Clear the container.

void	Commit (void *env) override
	Commits pending elements in a staging area (see Allocate() for more information).

void	DeleteArray (void *p, Bool_t dtorOnly=kFALSE) const override
	Execute the container array destructor.

void	Destructor (void *p, Bool_t dtorOnly=kFALSE) const override
	Execute the container destructor.

void	Insert (const void data, void container, size_t size) override
	Insert data into the container where data is a C-style array of the actual type contained in the collection of the given size.

Bool_t	IsValid () const

void *	New () const override
	Construct a new container object and return its address.

void *	New (void *memory) const override
	Construct a new container object at the address given by `arena`

void *	NewArray (Int_t nElements) const override
	Construct an array of `nElements` container objects and return the base address of the array.

void *	NewArray (Int_t nElements, void *memory) const override
	Construct an array of `nElements` container objects at the address given by `arena`

TClass::ObjectPtr	NewObject () const override
	Construct a new container object and return its address.

TClass::ObjectPtr	NewObject (void *memory) const override
	Construct a new container object at the address given by `arena`

TClass::ObjectPtr	NewObjectArray (Int_t nElements) const override
	Construct an array of `nElements` container objects and return the base address of the array.

TClass::ObjectPtr	NewObjectArray (Int_t nElements, void *memory) const override
	Construct an array of `nElements` container objects at the address given by `arena`

void	Resize (UInt_t n, Bool_t force_delete) override
	Resize the container.

UInt_t	Sizeof () const override
	Return the `sizeof()` of the collection object.

Public Member Functions inherited from TGenCollectionProxy
	TGenCollectionProxy (const ROOT::Detail::TCollectionProxyInfo &info, TClass *cl)
	Build a proxy for a collection whose type is described by 'collectionClass'.

	TGenCollectionProxy (const TGenCollectionProxy &copy)
	Build a proxy for an emulated container.

	TGenCollectionProxy (Info_t typ, size_t iter_size)
	Build a proxy for a collection whose type is described by 'collectionClass'.

	~TGenCollectionProxy () override
	Standard destructor.

void *	Allocate (UInt_t n, Bool_t forceDelete) override
	Allocate the needed space.

void *	At (UInt_t idx) override
	Return the address of the value at index 'idx'.

void	Clear (const char *opt="") override
	Clear the emulated collection.

void	Commit (void *env) override
	Commit the change.

TVirtualCollectionProxy *	Generate () const override
	Virtual copy constructor.

TClass *	GetCollectionClass () const override
	Return a pointer to the TClass representing the container.

Int_t	GetCollectionType () const override
	Return the type of collection see TClassEdit::ESTLType.

TStreamerInfoActions::TActionSequence *	GetConversionReadMemberWiseActions (TClass *oldClass, Int_t version) override
	Return the set of action necessary to stream in this collection member-wise coming from the old value class layout refered to by 'version'.

CopyIterator_t	GetFunctionCopyIterator (Bool_t read=kTRUE) override
	See typedef void (CopyIterator_t)(void &dest, const void *source); Copy the iterator source, into dest.

CreateIterators_t	GetFunctionCreateIterators (Bool_t read=kTRUE) override
	See typedef void (CreateIterators_t)(void collection, void &begin_arena, void &end_arena); begin_arena and end_arena should contain the location of memory arena of size fgIteratorSize.

DeleteIterator_t	GetFunctionDeleteIterator (Bool_t read=kTRUE) override
	See typedef void (DeleteIterator_t)(void iter); If the sizeof iterator is greater than fgIteratorArenaSize, call delete on the addresses, Otherwise just call the iterator's destructor.

DeleteTwoIterators_t	GetFunctionDeleteTwoIterators (Bool_t read=kTRUE) override
	See typedef void (DeleteTwoIterators_t)(void begin, void *end); If the sizeof iterator is greater than fgIteratorArenaSize, call delete on the addresses, Otherwise just call the iterator's destructor.

Next_t	GetFunctionNext (Bool_t read=kTRUE) override
	See typedef void* (Next_t)(void iter, void *end); iter and end should be pointer to respectively an iterator to be incremented and the result of colleciton.end() 'Next' will increment the iterator 'iter' and return 0 if the iterator reached the end.

ULong_t	GetIncrement () const override
	Return the offset between two consecutive value_types (memory layout).

virtual TClass *	GetOnFileClass () const

TStreamerInfoActions::TActionSequence *	GetReadMemberWiseActions (Int_t version) override
	Return the set of action necessary to stream in this collection member-wise coming from the old value class layout refered to by 'version'.

EDataType	GetType () const override
	If the content is a simple numerical value, return its type (see TDataType)

TClass *	GetValueClass () const override
	Return a pointer to the TClass representing the content.

TStreamerInfoActions::TActionSequence *	GetWriteMemberWiseActions () override
	Return the set of action necessary to stream out this collection member-wise.

Bool_t	HasPointers () const override
	Return true if the content is of type 'pointer to'.

void	Insert (const void data, void container, size_t size) override
	Insert data into the container where data is a C-style array of the actual type contained in the collection of the given size.

virtual void	operator() (TBuffer &refBuffer, void *pObject)
	TClassStreamer IO overload.

void	PopProxy () override
	Remove the last object.

void	PushProxy (void *objstart) override
	Add an object.

Bool_t	Reset () override
	Reset the info gathered from StreamerInfos and value's TClass.

virtual void	SetOnFileClass (TClass *cl)

UInt_t	Size () const override
	Return the current size of the container.

UInt_t	Sizeof () const override
	Return the sizeof the collection object.

Public Member Functions inherited from TVirtualCollectionProxy
	TVirtualCollectionProxy ()

	TVirtualCollectionProxy (TClass *cl)

virtual	~TVirtualCollectionProxy ()

virtual Int_t	GetProperties () const
	Return miscallenous properties of the proxy (see TVirtualCollectionProxy::EProperty)

char *	operator[] (UInt_t idx) const
	Return the address of the value at index `idx`

Protected Member Functions
void	ReadMap (UInt_t nElements, TBuffer &b)

void	WriteMap (UInt_t nElements, TBuffer &b)

Protected Member Functions inherited from TEmulatedCollectionProxy
void	Expand (UInt_t nCurr, UInt_t left)

TGenCollectionProxy *	InitializeEx (Bool_t silent) override
	Proxy initializer.

void	ReadItems (int nElements, TBuffer &b)

void	Shrink (UInt_t nCurr, UInt_t left, Bool_t force)

void	WriteItems (int nElements, TBuffer &b)

Protected Member Functions inherited from TGenCollectionProxy
void	CheckFunctions () const
	Check existence of function pointers.

virtual void	DeleteItem (Bool_t force, void *ptr) const
	Call to delete/destruct individual item.

TGenCollectionProxy *	Initialize (Bool_t silent) const
	Proxy initializer.

Private Member Functions
TEmulatedMapProxy &	operator= (const TEmulatedMapProxy &rhs)

Additional Inherited Members
Public Types inherited from TEmulatedCollectionProxy
typedef std::vector< char >	Cont_t

typedef Cont_t *	PCont_t

Public Types inherited from TGenCollectionProxy
enum	{ kBIT_ISSTRING = 0x20000000 , kBIT_ISTSTRING = 0x40000000 }

typedef const std::type_info &	Info_t

Public Types inherited from TVirtualCollectionProxy
typedef void (	CopyIterator_t) (void dest, const void source)
	Copy the iterator `source` into `dest`.

typedef void(*	CreateIterators_t) (void collection, void begin_arena, void end_arena, TVirtualCollectionProxy proxy)
	`begin_arena` and `end_arena` should contain the location of a memory arena of size `fgIteratorArenaSize`.

typedef void(*	DeleteIterator_t) (void *iter)
	If the size of the iterator is greater than `fgIteratorArenaSize`, call delete on the addresses; otherwise, just call the iterator's destructor.

typedef void(*	DeleteTwoIterators_t) (void begin, void end)

enum	EProperty { kIsAssociative = (1ULL << ( 2 )) , kIsEmulated = (1ULL << ( 3 )) , kNeedDelete = (1ULL << ( 4 )) , kCustomAlloc = (1ULL << ( 5 )) }

typedef void (	Next_t) (void iter, const void end)
	`iter` and `end` should be pointers to an iterator to be incremented and an iterator that points to the end of the collection, respectively.

Static Public Attributes inherited from TVirtualCollectionProxy
static const Int_t	fgIteratorArenaSize = 16
	The size of a small buffer that can be allocated on the stack to store iterator-specific information.

Protected Types inherited from TGenCollectionProxy
typedef void (	ArrIterfunc_t) (void *from, size_t size)

typedef void (	Collectfunc_t) (void from, void to)

typedef ROOT::Detail::TCollectionProxyInfo::Environ< char[64]>	Env_t

typedef ROOT::Detail::TCollectionProxyInfo::EnvironBase	EnvironBase_t

typedef void (	Feedfunc_t) (void from, void to, size_t size)

typedef std::vector< EnvironBase_t * >	Proxies_t

typedef void(*	Sizing_t) (void *obj, size_t size)

typedef std::vector< TStaging * >	Staged_t
	Collection of pre-allocated staged array for associative containers.

Protected Attributes inherited from TGenCollectionProxy
Method	fClear
	Method cache for container accessors: clear container.

Collectfunc_t	fCollect
	Method to collect objects from container.

ArrIterfunc_t	fConstruct
	Container accessors: block construct.

std::map< std::string, TObjArray * > *	fConversionReadMemberWise
	Array of bundle of TStreamerInfoActions to stream out (read) derived from another class.

Method0	fCreateEnv
	Method to allocate an Environment holder.

Sizing_t	fDestruct
	Container accessors: block destruct.

EnvironBase_t *	fEnv
	Address of the currently proxied object.

Feedfunc_t	fFeed
	Container accessors: block feed.

Method	fFirst
	Container accessors: generic iteration: first.

CopyIterator_t	fFunctionCopyIterator

CreateIterators_t	fFunctionCreateIterators

DeleteIterator_t	fFunctionDeleteIterator

DeleteTwoIterators_t	fFunctionDeleteTwoIterators

Next_t	fFunctionNextIterator

Value *	fKey
	Descriptor of the key_type.

std::string	fName
	Name of the class being proxied.

Method	fNext
	Container accessors: generic iteration: next.

TClass *	fOnFileClass
	On file class.

Bool_t	fPointers
	Flag to indicate if containee has pointers (key or value)

Proxies_t	fProxyKept
	Optimization: Keep proxies once they were created.

Proxies_t	fProxyList
	Stack of recursive proxies.

TObjArray *	fReadMemberWise
	Array of bundle of TStreamerInfoActions to stream out (read)

Sizing_t	fResize
	Container accessors: resize container.

Method	fSize
	Container accessors: size of container.

Staged_t	fStaged
	Optimization: Keep staged array once they were created.

int	fSTL_type
	STL container type.

Info_t	fTypeinfo
	Type information.

Value *	fVal
	Descriptor of the Value_type.

int	fValDiff
	Offset between two consecutive value_types (memory layout).

int	fValOffset
	Offset from key to value (in maps)

std::atomic< Value * >	fValue
	Descriptor of the container value type.

TStreamerInfoActions::TActionSequence *	fWriteMemberWise

Protected Attributes inherited from TVirtualCollectionProxy
TClassRef	fClass

UInt_t	fProperties

#include <TEmulatedMapProxy.h>

Inheritance diagram for TEmulatedMapProxy:

[legend]

Constructor & Destructor Documentation

◆ TEmulatedMapProxy() [1/2]

TEmulatedMapProxy::TEmulatedMapProxy ( const TEmulatedMapProxy & copy )

Definition at line 39 of file TEmulatedMapProxy.cxx.

◆ TEmulatedMapProxy() [2/2]

TEmulatedMapProxy::TEmulatedMapProxy	(	const char *	cl_name,
		Bool_t	silent )

Definition at line 48 of file TEmulatedMapProxy.cxx.

◆ ~TEmulatedMapProxy()

TEmulatedMapProxy::~TEmulatedMapProxy ( )

override

Definition at line 57 of file TEmulatedMapProxy.cxx.

Member Function Documentation

◆ At()

void * TEmulatedMapProxy::At ( UInt_t idx )

overridevirtual

Return the address of the value at index idx

Reimplemented from TEmulatedCollectionProxy.

Definition at line 69 of file TEmulatedMapProxy.cxx.

◆ Generate()

TVirtualCollectionProxy * TEmulatedMapProxy::Generate ( ) const

overridevirtual

Returns a clean object of the actual class that derives from TVirtualCollectionProxy.

The caller is responsible for deleting the returned object.

Reimplemented from TEmulatedCollectionProxy.

Definition at line 62 of file TEmulatedMapProxy.cxx.

◆ operator=()

TEmulatedMapProxy & TEmulatedMapProxy::operator= ( const TEmulatedMapProxy & rhs )

private

◆ ReadBuffer() [1/2]

void TEmulatedMapProxy::ReadBuffer	(	TBuffer &	buff,
		void *	pObj )

overridevirtual

Reimplemented from TEmulatedCollectionProxy.

Definition at line 222 of file TEmulatedMapProxy.cxx.

◆ ReadBuffer() [2/2]

void TEmulatedMapProxy::ReadBuffer	(	TBuffer &	buff,
		void *	pObj,
		const TClass *	onfile )

overridevirtual

Reimplemented from TEmulatedCollectionProxy.

Definition at line 214 of file TEmulatedMapProxy.cxx.

◆ ReadMap()

void TEmulatedMapProxy::ReadMap	(	UInt_t	nElements,
		TBuffer &	b )

protected

Definition at line 91 of file TEmulatedMapProxy.cxx.

◆ Size()

UInt_t TEmulatedMapProxy::Size ( ) const

overridevirtual

Return the current number of elements in the container.

Reimplemented from TEmulatedCollectionProxy.

Definition at line 80 of file TEmulatedMapProxy.cxx.

◆ Streamer() [1/2]

void TEmulatedMapProxy::Streamer	(	TBuffer &	refBuffer,
		void *	pObject,
		int	siz )

inlineoverridevirtual

Streamer I/O overload.

Reimplemented from TEmulatedCollectionProxy.

Definition at line 54 of file TEmulatedMapProxy.h.

◆ Streamer() [2/2]

void TEmulatedMapProxy::Streamer ( TBuffer & refBuffer )

overridevirtual

Streamer Function.

Reimplemented from TEmulatedCollectionProxy.

Definition at line 237 of file TEmulatedMapProxy.cxx.

◆ WriteMap()

void TEmulatedMapProxy::WriteMap	(	UInt_t	nElements,
		TBuffer &	b )

protected

Definition at line 155 of file TEmulatedMapProxy.cxx.

Libraries for TEmulatedMapProxy:

[legend]

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

io/io/inc/TEmulatedMapProxy.h
io/io/src/TEmulatedMapProxy.cxx

Public Member Functions

Protected Member Functions

Private Member Functions

Additional Inherited Members

Constructor & Destructor Documentation

◆ TEmulatedMapProxy() [1/2]

◆ TEmulatedMapProxy() [2/2]

◆ ~TEmulatedMapProxy()

Member Function Documentation

◆ At()

◆ Generate()

◆ operator=()

◆ ReadBuffer() [1/2]

◆ ReadBuffer() [2/2]

◆ ReadMap()

◆ Size()

◆ Streamer() [1/2]

◆ Streamer() [2/2]

◆ WriteMap()