SimpleDefine, template used to implement defines for basic data types for the DataReader. More...

#include <HOCI.h>

Inheritance diagram for Harlinn::OCI::SimpleDefine< BT, externalType >:

Collaboration diagram for Harlinn::OCI::SimpleDefine< BT, externalType >:

Public Types
using	BoundType = BT

Public Member Functions
constexpr	SimpleDefine () noexcept

	SimpleDefine (const OCI::Statement &statement)

virtual void	Initialize (UInt32 positon) override

virtual const void *	Data () const noexcept final override

virtual bool	AsBoolean () const final override

virtual Byte	AsByte () const final override

virtual SByte	AsSByte () const final override

virtual std::vector< Byte >	AsBytes () const final override

virtual Int16	AsInt16 () const final override

virtual UInt16	AsUInt16 () const final override

virtual Int32	AsInt32 () const final override

virtual UInt32	AsUInt32 () const final override

virtual Int64	AsInt64 () const final override

virtual UInt64	AsUInt64 () const final override

virtual float	AsSingle () const final override

virtual double	AsDouble () const final override

virtual DateTime	AsDateTime () const final override

virtual TimeSpan	AsTimeSpan () const final override

virtual WideString	AsString () const final override

Public Member Functions inherited from Harlinn::OCI::Define
constexpr Int16	Indicator () const noexcept

virtual HO_EXPORT Guid	AsGuid () const

virtual HO_EXPORT OCI::Object *	AsObject () const

virtual HO_EXPORT OCI::Collection *	AsCollection () const

virtual HO_EXPORT LobStream	AsStream () const

Public Member Functions inherited from Harlinn::OCI::DefineBase
HO_EXPORT void	DefineByPos (UInt32 positon, OraType dataType, void dataAddress, Int64 dataSize, Int16 indicators, UInt32 returnLengths=nullptr, UInt16 returnCodes=nullptr, UInt32 mode=0)

const OCI::Statement &	Statement () const noexcept

const OCI::ErrorHandle &	Error () const noexcept final override
	Provides access to the OCIError that will be used for OCI calls for this object.

const OCI::ServiceContext &	ServiceContext () const

const OCI::Environment &	Environment () const

HO_EXPORT void	SetLOBPrefetchSize (UInt32 lobPrefetchSize)

HO_EXPORT UInt32	LOBPrefetchSize () const

HO_EXPORT void	SetLOBPrefetchLength (bool value=true)

HO_EXPORT bool	LOBPrefetchLength () const

Public Member Functions inherited from Harlinn::OCI::HandleBase
constexpr void *	Handle () const noexcept
	Provides access to the value of the handle object.

constexpr	operator bool () const noexcept
	Test if the handle value is assigned.

constexpr bool	IsValid () const noexcept
	Test if the handle value is assigned.

constexpr OCI::HandleType	HandleType () const noexcept
	Returns a value identifying the type of the wrapped handle object.

Static Public Attributes
static constexpr OCI::OraType	ExternalType = externalType

Protected Attributes
BoundType	data_

Protected Attributes inherited from Harlinn::OCI::Define
Int16	indicator_

Private Types
using	Base = Define

Additional Inherited Members
Static Public Member Functions inherited from Harlinn::OCI::Define
static HO_EXPORT std::unique_ptr< Define >	CreateDefine (const OCI::Statement &statement, const ColumnDescriptor &columnDescriptor, UInt32 positon)

Protected Member Functions inherited from Harlinn::OCI::Define
constexpr	Define () noexcept

	Define (const OCI::Statement &statement)

void	DefineByPos (UInt32 positon, OraType dataType, void dataAddress, Int64 dataSize, Int16 indicators, UInt32 returnLengths=nullptr, UInt16 returnCodes=nullptr, UInt32 mode=0)

HO_EXPORT void	DefineByPos (UInt32 positon, OraType dataType, void dataAddress, Int64 dataSize, UInt32 rowLengths=nullptr, UInt16 *rowReturnCodes=nullptr, UInt32 mode=0)

Protected Member Functions inherited from Harlinn::OCI::DefineBase
	DefineBase (const OCI::Statement &statement)

constexpr	DefineBase () noexcept

Protected Member Functions inherited from Harlinn::OCI::HandleBase
constexpr	HandleBase () noexcept
	Default constructor.

constexpr	HandleBase (OCI::HandleType handleType, void *handle, bool ownsHandle) noexcept
	Constructs a new HandleBase object.

	HandleBase (const HandleBase &other)=delete

constexpr	HandleBase (HandleBase &&other) noexcept
	Move constructor.

virtual	~HandleBase ()
	Destructor.

constexpr void	SetHandle (void *newHandleValue, bool ownsHandle) noexcept
	Assigns the handle value and ownership to this object.

constexpr bool	OwnsHandle () const noexcept
	Returns true if this object is the owner of the handle value.

void *	DetachHandle ()
	If this object is the owner of a handle this function rescinds that ownership, and returns the handle value without closing the handle.

void	DestroyHandle ()
	Destroys the handle if it is owned by this object.

HandleBase &	operator= (const HandleBase &other)=delete

constexpr HandleBase &	operator= (HandleBase &&other) noexcept

constexpr void	swap (HandleBase &other) noexcept

template<typename Derived >
constexpr void	Take (Derived &&derived) noexcept
	Template function used to implement move assignement in derived classes.

void	InitializeHandle (void *handle, bool ownsHandle)
	Provides a "safe" mechanism for assigning a handle value. This functions throws if a handle value is already assigned to this object.

HO_EXPORT Int32	GetAttribute (void buffer, UInt32 size, Attribute attribute) const
	Gets the value of an attribute from the handle.

HO_EXPORT Int32	SetAttribute (void *buffer, UInt32 size, Attribute attribute) const
	Sets the value of an attribute on the handle.

DateTime	GetDateTimeAttribute (Attribute attribute) const
	Gets the value of an attribute from the handle as a DateTime.

void	SetDateTimeAttribute (Attribute attribute, const DateTime &value) const
	Sets the value of an attribute on the handle as a DateTime.

template<WideStringLike StringT = WideString>
StringT	GetStringAttribute (Attribute attribute) const
	Gets the value of an attribute from the handle as a WideString.

template<WideStringLike StringT = WideString>
StringT	GetStringAttributeFromByteString (Attribute attribute) const
	Gets the value of an attribute from the handle as a WideString For use with attributes that are not returned as UTF-16.

template<WideStringLike StringT>
void	SetStringAttribute (Attribute attribute, const StringT &value) const
	Sets the value of an attribute on the handle as a WideString.

void	SetStringAttribute (Attribute attribute, const wchar_t *value, size_t valueLength) const

bool	GetBooleanAttribute (Attribute attribute) const
	Gets the value of an attribute from the handle as a bool.

void	SetBooleanAttribute (Attribute attribute, bool value) const
	Sets the value of an attribute on the handle as a bool.

Byte	GetByteAttribute (Attribute attribute) const
	Gets the value of an attribute from the handle as a Byte.

void	SetByteAttribute (Attribute attribute, Byte value) const
	Sets the value of an attribute on the handle as a Byte.

SByte	GetSByteAttribute (Attribute attribute) const
	Gets the value of an attribute from the handle as a SByte.

void	SetSByteAttribute (Attribute attribute, SByte value) const
	Sets the value of an attribute on the handle as a Byte.

Int16	GetInt16Attribute (Attribute attribute) const
	Gets the value of an attribute from the handle as an Int16.

void	SetInt16Attribute (Attribute attribute, Int16 value) const
	Sets the value of an attribute on the handle as an Int16.

UInt16	GetUInt16Attribute (Attribute attribute) const
	Gets the value of an attribute from the handle as an UInt16.

void	SetUInt16Attribute (Attribute attribute, UInt16 value) const
	Sets the value of an attribute on the handle as an UInt16.

Int32	GetInt32Attribute (Attribute attribute) const
	Gets the value of an attribute from the handle as an Int32.

void	SetInt32Attribute (Attribute attribute, Int32 value) const
	Sets the value of an attribute on the handle as an Int32.

UInt32	GetUInt32Attribute (Attribute attribute) const
	Gets the value of an attribute from the handle as an UInt32.

void	SetUInt32Attribute (Attribute attribute, UInt32 value) const
	Sets the value of an attribute on the handle as an UInt32.

Int64	GetInt64Attribute (Attribute attribute) const
	Gets the value of an attribute from the handle as an Int64.

void	SetInt64Attribute (Attribute attribute, Int64 value) const
	Sets the value of an attribute on the handle as an Int64.

UInt64	GetUInt64Attribute (Attribute attribute) const
	Gets the value of an attribute from the handle as an UInt64.

void	SetUInt64Attribute (Attribute attribute, UInt64 value) const
	Sets the value of an attribute on the handle as an UInt64.

void *	GetPointerAttribute (Attribute attribute) const
	Gets the value of an attribute from the handle as a pointer.

void	SetPointerAttribute (Attribute attribute, void *value) const
	Sets the value of an attribute on the handle as a pointer.

OCI::Number *	GetNumberAttribute (Attribute attribute) const
	Gets the value of an attribute from the handle as a pointer to an OCI::Number.

Static Protected Member Functions inherited from Harlinn::OCI::HandleBase
static HO_EXPORT void	HandleFree (void *handle, OCI::HandleType handleType) noexcept
	Calls OCIHandleFree to release the handle.

Detailed Description

template<typename BT, OCI::OraType externalType>
class Harlinn::OCI::SimpleDefine< BT, externalType >

SimpleDefine, template used to implement defines for basic data types for the DataReader.

Template Parameters

BT