IlvNodeAccessor Class Reference

Reference to another attribute or subattribute of an IlvGroup object. More...

#include <ilviews/protos/useracc.h>

Inheritance diagram for IlvNodeAccessor:

List of all members.

Public Member Functions
	IlvNodeAccessor (const char *name, const IlvValueTypeClass *type, const char *subaccessor)
	Creates a new node accessor of name name and type type.
Protected Member Functions
virtual IlBoolean	changeValue (IlvAccessorHolder *object, const IlvValue &val)
	Called by the method IlvAccessible::changeValue for each IlvAccessor attached to the IlvAccessorHolder.
virtual IlvValue &	queryValue (const IlvAccessorHolder *object, IlvValue &val) const
	Called by the method IlvAccessible::queryValue for each IlvAccessor attached to the IlvAccessorHolder.

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Detailed Description

Reference to another attribute or subattribute of an IlvGroup object.

Library: ilvproto

IlvNodeAccessor is used with a group to provide access to a value of one of the nodes in the group at the level of the group itself. It is similar to declaring a pointer variable in a programming language.

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Constructor & Destructor Documentation

IlvNodeAccessor::IlvNodeAccessor	(	const char *	name,
		const IlvValueTypeClass *	type,
		const char *	subaccessor
	)

Creates a new node accessor of name name and type type.

When a changeValue/queryValue call is issued on the group for the value name, the call is forwarded to the nodes attribute or the prototypes value subaccessor.

Parameters:

subaccessor

Attribute or subattribute that the node should reference.