net.sf.saxon.query

Class LanguageFeature

java.lang.Object

net.sf.saxon.query.LanguageFeature

public class LanguageFeature
extends Object

LanguageFeature represents a named XQuery 3.0 language feature as used in the require/prohibit feature declaration.

Field Summary

Fields

Modifier and Type	Field and Description
static LanguageFeature	ALL_EXTENSIONS
static StructuredQName	ALL_OPTIONAL_FEATURES
static int	ALWAYS
static LanguageFeature	HIGHER_ORDER_FUNCTION
static LanguageFeature	HIGHER_ORDER_FUNCTION_ALL_OPTIONAL_FEATURES
static LanguageFeature	MODULE
static LanguageFeature	MODULE_ALL_OPTIONAL_FEATURES
static int	NEVER
static int	OPTIONAL
static LanguageFeature	SERIALIZATION
static LanguageFeature	SERIALIZATION_ALL_OPTIONAL_FEATURES
static LanguageFeature	STATIC_TYPING
static LanguageFeature	STATIC_TYPING_ALL_OPTIONAL_FEATURES
static LanguageFeature	TYPED_DATA
static LanguageFeature	TYPED_DATA_ALL_OPTIONAL_FEATURES
static LanguageFeature	TYPED_DATA_SCHEMAS

Constructor Summary

Constructors

Constructor and Description
LanguageFeature(StructuredQName name, LanguageFeature parent, int availability)

Method Summary

Methods

Modifier and Type	Method and Description
static Collection<LanguageFeature>	getAllOptionalFeatures() Get the list of all recognized optional features
int	getAvailability() Determine the availability of the feature in Saxon
Set<LanguageFeature>	getChildren() Get the children of this feature
static LanguageFeature	getFeature(StructuredQName name) Get the feature with a given name
StructuredQName	getName() Get the name of the feature
LanguageFeature	getParent() Get the parent (container) of the feature

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ALWAYS

public static final int ALWAYS

See Also:

Constant Field Values

NEVER

public static final int NEVER

See Also:

Constant Field Values

OPTIONAL

public static final int OPTIONAL

See Also:

Constant Field Values

ALL_OPTIONAL_FEATURES

public static final StructuredQName ALL_OPTIONAL_FEATURES

TYPED_DATA

public static final LanguageFeature TYPED_DATA

TYPED_DATA_SCHEMAS

public static final LanguageFeature TYPED_DATA_SCHEMAS

TYPED_DATA_ALL_OPTIONAL_FEATURES

public static final LanguageFeature TYPED_DATA_ALL_OPTIONAL_FEATURES

STATIC_TYPING

public static final LanguageFeature STATIC_TYPING

STATIC_TYPING_ALL_OPTIONAL_FEATURES

public static final LanguageFeature STATIC_TYPING_ALL_OPTIONAL_FEATURES

SERIALIZATION

public static final LanguageFeature SERIALIZATION

SERIALIZATION_ALL_OPTIONAL_FEATURES

public static final LanguageFeature SERIALIZATION_ALL_OPTIONAL_FEATURES

MODULE

public static final LanguageFeature MODULE

MODULE_ALL_OPTIONAL_FEATURES

public static final LanguageFeature MODULE_ALL_OPTIONAL_FEATURES

HIGHER_ORDER_FUNCTION

public static final LanguageFeature HIGHER_ORDER_FUNCTION

HIGHER_ORDER_FUNCTION_ALL_OPTIONAL_FEATURES

public static final LanguageFeature HIGHER_ORDER_FUNCTION_ALL_OPTIONAL_FEATURES

ALL_EXTENSIONS

public static final LanguageFeature ALL_EXTENSIONS

Constructor Detail

LanguageFeature

public LanguageFeature(StructuredQName name,
               LanguageFeature parent,
               int availability)

Method Detail

getAllOptionalFeatures

public static Collection<LanguageFeature> getAllOptionalFeatures()

Get the list of all recognized optional features

Returns:

the collection of optional features defined in the XQuery specification

getName

public StructuredQName getName()

Get the name of the feature

Returns:

the name of the feature

getParent

public LanguageFeature getParent()

Get the parent (container) of the feature

Returns:

the parent (container) of the feature, or null if there is no parent

getChildren

public Set<LanguageFeature> getChildren()

Get the children of this feature

Returns:

the features of which this is the parent

getAvailability

public int getAvailability()

Determine the availability of the feature in Saxon

Returns:

whether the feature is always supported in Saxon, never supported in Saxon, or can be enabled/disabled in Saxon

getFeature

public static LanguageFeature getFeature(StructuredQName name)

Get the feature with a given name

Parameters:

name - the name of the feature

Returns:

the corresponding feature, or null if the name is unknown