ROOT::Experimental::Internal::RDaosObject Class Reference

Provides low-level access to DAOS objects in a container.

Definition at line 86 of file RDaos.hxx.

Classes
struct	FetchUpdateArgs
	Contains required information for a single fetch/update operation. More...
struct	ObjClassId
	Wrap around a daos_oclass_id_t. More...
struct	RAkeyRequest
	Contains an attribute key and the associated IOVs for a single scatter-gather I/O request. More...

Public Types
using	AttributeKey_t = std::uint64_t
using	DistributionKey_t = std::uint64_t

Public Member Functions
	RDaosObject ()=delete
	RDaosObject (RDaosContainer &container, daos_obj_id_t oid, ObjClassId cid=OC_UNKNOWN)
	Provides low-level access to an object.
	~RDaosObject ()
int	Fetch (FetchUpdateArgs &args)
int	Update (FetchUpdateArgs &args)

Private Attributes
daos_handle_t	fObjectHandle

#include <ROOT/RDaos.hxx>

Member Typedef Documentation

AttributeKey_t

using ROOT::Experimental::Internal::RDaosObject::AttributeKey_t = std::uint64_t

Definition at line 91 of file RDaos.hxx.

DistributionKey_t

using ROOT::Experimental::Internal::RDaosObject::DistributionKey_t = std::uint64_t

Definition at line 90 of file RDaos.hxx.

Constructor & Destructor Documentation

RDaosObject() [1/2]

ROOT::Experimental::Internal::RDaosObject::RDaosObject ( )

delete

RDaosObject() [2/2]

ROOT::Experimental::Internal::RDaosObject::RDaosObject	(	RDaosContainer &	container,
		daos_obj_id_t	oid,
		ObjClassId	cid = OC_UNKNOWN )

Provides low-level access to an object.

If cid is OC_UNKNOWN, the user is responsible for calling daos_obj_generate_oid() to fill the reserved bits in oid before calling this constructor.

Definition at line 108 of file RDaos.cxx.

~RDaosObject()

ROOT::Experimental::Internal::RDaosObject::~RDaosObject

(

)

Definition at line 118 of file RDaos.cxx.

Member Function Documentation

Fetch()

int ROOT::Experimental::Internal::RDaosObject::Fetch

(

FetchUpdateArgs &

args

)

Definition at line 123 of file RDaos.cxx.

Update()

int ROOT::Experimental::Internal::RDaosObject::Update

(

FetchUpdateArgs &

args

)

Definition at line 130 of file RDaos.cxx.

Member Data Documentation

fObjectHandle

daos_handle_t ROOT::Experimental::Internal::RDaosObject::fObjectHandle

private

Definition at line 88 of file RDaos.hxx.

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

• tree/ntuple/inc/ROOT/RDaos.hxx
• tree/ntuple/src/RDaos.cxx