IlvFeatureAttributeInfo Class Reference

This class is used to store the names and types of map attributes. More...

#include <ilviews/maps/attrprop.h>

List of all members.

Public Member Functions
	IlvFeatureAttributeInfo (IlvInputFile &file)
	Creates a new IlvFeatureAttributeInfo from an IlvInputFile.
	IlvFeatureAttributeInfo (const IlvFeatureAttributeInfo &source)
	Creates a new IlvFeatureAttributeInfo by copying an existing one.
	IlvFeatureAttributeInfo (IlUInt count, const char *const *attributeNames, const IlvMapClassInfo *const *attributeClasses, const IlBoolean *nullable)
	Creates a new IlvFeatureAttributeInfo with the specified attribute names and classes.
IlvFeatureAttributeInfo *	copy () const
	Copies the property.
const IlvMapClassInfo *	getAttributeClass (IlUInt i) const
	Returns the class of the attribute specified by the index i.
const char *	getAttributeName (IlUInt i) const
	Returns the name of the attribute specified by the index i.
const IlvMapClassInfo *const *	getAttributesClasses () const
	Returns the classes of the attributes.
IlUInt	getAttributesCount () const
	Returns the count of attributes.
const char *const *	getAttributesNames (IlUInt &count) const
	Returns the names of the attributes.
IlBoolean	isNullable (int i) const
	Checks if an attribute is nullable.
void	lock ()
	Locks the object.
void	unLock ()
	Unlocks the object.
void	write (IlvOutputFile &output) const
	Writes the object to an IlvOutputFile.

---

Detailed Description

This class is used to store the names and types of map attributes.

Library: ilvmaps

It is generally used with an IlvAttributeProperty.

---

Constructor & Destructor Documentation

IlvFeatureAttributeInfo::IlvFeatureAttributeInfo	(	IlUInt	count,
		const char *const *	attributeNames,
		const IlvMapClassInfo *const *	attributeClasses,
		const IlBoolean *	nullable
	)

Creates a new IlvFeatureAttributeInfo with the specified attribute names and classes.

Parameters:

	count	The number of attributes.
	attributeNames	The names of the attributes.
	attributeClasses	The classes of the attributes.
	nullable	A Boolean array that takes the IlTrue value for the attributes that can have a null value (these attributes are optional).

IlvFeatureAttributeInfo::IlvFeatureAttributeInfo

(

const IlvFeatureAttributeInfo &

source

)

Creates a new IlvFeatureAttributeInfo by copying an existing one.

Parameters:

source

The feature attribute info to be copied.

IlvFeatureAttributeInfo::IlvFeatureAttributeInfo

(

IlvInputFile &

file

)

Creates a new IlvFeatureAttributeInfo from an IlvInputFile.

Parameters:

input

The input file.

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Member Function Documentation

IlvFeatureAttributeInfo* IlvFeatureAttributeInfo::copy

(

)

const

Copies the property.

Returns:

The copied IlvFeatureAttributeInfo.

const IlvMapClassInfo* IlvFeatureAttributeInfo::getAttributeClass

(

IlUInt

i

)

const

Returns the class of the attribute specified by the index i.

Parameters:

i

The index of the attribute.

Returns:

The corresponding IlvMapClassInfo.

const char* IlvFeatureAttributeInfo::getAttributeName

(

IlUInt

i

)

const

Returns the name of the attribute specified by the index i.

Parameters:

i

The index of the attribute.

Returns:

The name of the attribute at index i.

const IlvMapClassInfo* const* IlvFeatureAttributeInfo::getAttributesClasses

(

)

const

Returns the classes of the attributes.

Returns:

The array of IlvMapClassInfo.

IlUInt IlvFeatureAttributeInfo::getAttributesCount

(

)

const

Returns the count of attributes.

Returns:

The count of attributes.

const char* const* IlvFeatureAttributeInfo::getAttributesNames

(

IlUInt &

count

)

const

Returns the names of the attributes.

Parameters:

count

The returned number of attributes.

Returns:

The array of attributes.

IlBoolean IlvFeatureAttributeInfo::isNullable

(

int

i

)

const

Checks if an attribute is nullable.

Returns IlTrue if the attribute specified by the index i can have a null value.

Parameters:

i

The index of the attribute.

Returns:

IlTrue if the attribute can have a null value, IlFalse otherwise.

void IlvFeatureAttributeInfo::lock

(

)

Locks the object.

Locks the object by incrementing the lock count.

void IlvFeatureAttributeInfo::unLock

(

)

Unlocks the object.

Decrements the lock counts and deletes the object when the lock count has fallen to 0.

void IlvFeatureAttributeInfo::write

(

IlvOutputFile &

output

)

const

Writes the object to an IlvOutputFile.

Parameters:

output

The output file.