OdDAIObjectId Class

API Reference > Classes > OdDAIObjectId Class

OdDAIObjectId Class

Class Hierarchy

Syntax

C++

class OdDAIObjectId;

daiObjectId.h

A class that implements an identifier of the Data Access Interface (DAI) object functionality.

	Name	Description
	OdDAIObjectId	This is the overview for the OdDAIObjectId constructor overload.

OdDAIObjectId Data Members

	Name	Description
	kNull	A NULL object identifier.
	kNullHandle	A NULL object database handle.

OdDAIObjectId Methods

	Name	Description
	getHandle	Retrieves the database handle of the object referenced by the identifier.
	getNested	Retrieves the object that is referenced by the identifier (without open of unloaded entity instance).
	isErased	Determines whether the object associated with the identifier was erased.
	isNull	Returns whether the identifier is NULL.
	isValid	Retrieves whether the identifier is valid.
	model	details Retrieves the model identifier object is associated with.
	objectLeftOnDisk	returns Returns true if object was unloaded from memory and left on disk
	openObject	Opens the database object referenced by the identifier in a specified mode.
	setNull	Sets the identifier to the NULL state.

OdDAIObjectId Nested Types

Name	Description
handle_type	This is nested type OdDAIObjectId::handle_type.

OdDAIObjectId Operators

	Name	Description
	!	The negation operator for the object identifier.
	!=	The non-equality operator for the object identifier.
	<	The "less than" operator for the object identifier.
	<=	The "less or equal than" operator for the object identifier.
	=	This is the overview for the = operator overload.
	==	The equality operator for the object identifier.
	>	The "more than" operator for the object identifier.
	->	The operator for the access through a pointer to an identifier.
	>=	The "more or equal than" operator for the object identifier.
	OdDbStub*	The operator for convertion to a raw pointer to the OdDbStub object.

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