net.sf.saxon.type
Interface ComplexType

All Superinterfaces:
SchemaComponent, SchemaType, Serializable
All Known Implementing Classes:
AnyType, Untyped, UserComplexType

public interface ComplexType
extends SchemaType

A complex type as defined in XML Schema: either a user-defined complex type, or xs:anyType, or xs:untyped. In the non-schema-aware version of the Saxon product, the only complex type encountered is xs:untyped.


Field Summary
static int OPEN_CONTENT_ABSENT
           
static int OPEN_CONTENT_INTERLEAVE
           
static int OPEN_CONTENT_NONE
           
static int OPEN_CONTENT_SUFFIX
           
static int VARIETY_ELEMENT_ONLY
           
static int VARIETY_EMPTY
           
static int VARIETY_MIXED
           
static int VARIETY_SIMPLE
           
 
Fields inherited from interface net.sf.saxon.type.SchemaType
DERIVATION_EXTENSION, DERIVATION_LIST, DERIVATION_RESTRICTION, DERIVATION_UNION, DERIVE_BY_SUBSTITUTION
 
Fields inherited from interface net.sf.saxon.type.SchemaComponent
FIXED_UP, INCOMPLETE, INVALID, UNVALIDATED, VALIDATED, VALIDATING
 
Method Summary
 boolean allowsAttributes()
          Return true if this type (or any known type derived from it by extension) allows the element to have one or more attributes.
 boolean containsElementWildcard()
          Ask whether this type (or any known type derived from it by extension) allows the element to have children that match a wildcard
 void gatherAllPermittedChildren(IntHashSet children, boolean ignoreWildcards)
          Get a list of all the names of elements that can appear as children of an element having this complex type, as integer fingerprints.
 void gatherAllPermittedDescendants(IntHashSet descendants)
          Get a list of all the names of elements that can appear as descendants of an element having this complex type, as integer fingerprints.
 int getAttributeUseCardinality(int fingerprint)
          Find an attribute use within this complex type definition having a given attribute name (identified by fingerprint), and return the cardinality associated with that attribute, which will always be 0, 1, or 0-or-1.
 SimpleType getAttributeUseType(int fingerprint)
          Find an attribute use within this complex type definition having a given attribute name (identified by fingerprint), and return the schema type associated with that attribute.
 int getDescendantElementCardinality(int fingerprint)
          Assuming an element is a permitted descendant in the content model of this type, determine the cardinality of the element when it appears as a descendant.
 SchemaType getDescendantElementType(int fingerprint)
          Assuming an element is a permitted descendant in the content model of this type, determine the type of the element when it appears as a descendant.
 int getElementParticleCardinality(int fingerprint, boolean considerExtensions)
          Find an element particle within this complex type definition having a given element name (identified by fingerprint), and return the cardinality associated with that element particle, that is, the number of times the element can occur within this complex type.
 SchemaType getElementParticleType(int fingerprint, boolean considerExtensions)
          Find an element particle within this complex type definition having a given element name (identified by fingerprint), and return the schema type associated with that element particle.
 SimpleType getSimpleContentType()
          Get the simple content type.
 int getVariety()
          Get the variety of this complex type.
 boolean isAbstract()
          Test whether this complex type has been marked as abstract.
 boolean isAllContent()
          Test whether this complex type has "all" content, that is, a content model using an xs:all compositor
 boolean isComplexContent()
          Test whether this complex type has complex content.
 boolean isEmptiable()
          Test whether the content model of this complex type allows empty content.
 boolean isEmptyContent()
          Test whether the content model of this complex type is empty.
 boolean isMixedContent()
          Test whether this complex type allows mixed content.
 boolean isRestricted()
          Test whether this complex type is derived by restriction.
 boolean isSimpleContent()
          Test whether this complexType has simple content.
 
Methods inherited from interface net.sf.saxon.type.SchemaType
allowsDerivation, analyzeContentExpression, atomize, checkTypeDerivationIsOK, getBaseType, getBlock, getDerivationMethod, getDescription, getDisplayName, getFingerprint, getName, getNameCode, getSystemId, getTargetNamespace, getTypedValue, isAnonymousType, isAtomicType, isComplexType, isIdRefType, isIdType, isSameType, isSimpleType
 
Methods inherited from interface net.sf.saxon.type.SchemaComponent
getRedefinitionLevel, getValidationStatus
 

Field Detail

VARIETY_EMPTY

static final int VARIETY_EMPTY
See Also:
Constant Field Values

VARIETY_SIMPLE

static final int VARIETY_SIMPLE
See Also:
Constant Field Values

VARIETY_ELEMENT_ONLY

static final int VARIETY_ELEMENT_ONLY
See Also:
Constant Field Values

VARIETY_MIXED

static final int VARIETY_MIXED
See Also:
Constant Field Values

OPEN_CONTENT_ABSENT

static final int OPEN_CONTENT_ABSENT
See Also:
Constant Field Values

OPEN_CONTENT_NONE

static final int OPEN_CONTENT_NONE
See Also:
Constant Field Values

OPEN_CONTENT_INTERLEAVE

static final int OPEN_CONTENT_INTERLEAVE
See Also:
Constant Field Values

OPEN_CONTENT_SUFFIX

static final int OPEN_CONTENT_SUFFIX
See Also:
Constant Field Values
Method Detail

getVariety

int getVariety()
Get the variety of this complex type. This will be one of the values VARIETY_EMPTY, VARIETY_MIXED, VARIETY_SIMPLE, or VARIETY_ELEMENT_ONLY


isAbstract

boolean isAbstract()
Test whether this complex type has been marked as abstract. This corresponds to the {abstract} property in the schema component model.

Returns:
true if this complex type is abstract.

isComplexContent

boolean isComplexContent()
Test whether this complex type has complex content. This represents one aspect of the {content type} property in the schema component model.

Returns:
true if and only if this complex type has a complex content model, that is, if its variety is one of empty, mixed, or element-only.

isSimpleContent

boolean isSimpleContent()
Test whether this complexType has simple content. This represents one aspect of the {content type} property in the schema component model.

Returns:
true if and only if this complex type has a simple content model, that is, if its variety is simple.

isAllContent

boolean isAllContent()
Test whether this complex type has "all" content, that is, a content model using an xs:all compositor

Returns:
true if the type has an "all" content model

getSimpleContentType

SimpleType getSimpleContentType()
Get the simple content type. This represents one aspect of the {content type} property in the schema component model.

Returns:
For a complex type with simple content, returns the simple type of the content. Otherwise, returns null.

isRestricted

boolean isRestricted()
Test whether this complex type is derived by restriction. This corresponds to one aspect of the {derivation method} property in the schema component model.

Returns:
true if this complex type is derived by restriction

isEmptyContent

boolean isEmptyContent()
Test whether the content model of this complex type is empty. This represents one aspect of the {content type} property in the schema component model.

Returns:
true if the content model is defined as empty

isEmptiable

boolean isEmptiable()
                    throws SchemaException
Test whether the content model of this complex type allows empty content. This property applies only if this is a complex type with complex content.

Returns:
true if empty content is valid
Throws:
SchemaException

isMixedContent

boolean isMixedContent()
Test whether this complex type allows mixed content. This represents one aspect of the {content type} property in the schema component model. This property applies only if this is a complex type with complex content.

Returns:
true if mixed content is allowed

getElementParticleType

SchemaType getElementParticleType(int fingerprint,
                                  boolean considerExtensions)
                                  throws SchemaException,
                                         ValidationException
Find an element particle within this complex type definition having a given element name (identified by fingerprint), and return the schema type associated with that element particle. If there is no such particle, return null. If the fingerprint matches an element wildcard, return the type of the global element declaration with the given name if one exists, or AnyType if none exists and lax validation is permitted by the wildcard.

Parameters:
fingerprint - Identifies the name of the child element within this content model
considerExtensions -
Returns:
the schema type associated with the child element particle with the given name. If there is no such particle, return null.
Throws:
SchemaException
ValidationException

getElementParticleCardinality

int getElementParticleCardinality(int fingerprint,
                                  boolean considerExtensions)
                                  throws SchemaException,
                                         ValidationException
Find an element particle within this complex type definition having a given element name (identified by fingerprint), and return the cardinality associated with that element particle, that is, the number of times the element can occur within this complex type. The value is one of StaticProperty.EXACTLY_ONE, StaticProperty.ALLOWS_ZERO_OR_ONE, StaticProperty.ALLOWS_ZERO_OR_MORE, StaticProperty.ALLOWS_ONE_OR_MORE, If there is no such particle, return StaticProperty.EMPTY.

Parameters:
fingerprint - Identifies the name of the child element within this content model
considerExtensions -
Returns:
the cardinality associated with the child element particle with the given name. If there is no such particle, return StaticProperty.EMPTY.
Throws:
SchemaException
ValidationException

getAttributeUseType

SimpleType getAttributeUseType(int fingerprint)
                               throws SchemaException
Find an attribute use within this complex type definition having a given attribute name (identified by fingerprint), and return the schema type associated with that attribute. If there is no such attribute use, return null. If the fingerprint matches an attribute wildcard, return the type of the global attribute declaration with the given name if one exists, or AnySimpleType if none exists and lax validation is permitted by the wildcard.

If there are types derived from this type by extension, search those too.

Parameters:
fingerprint - Identifies the name of the child element within this content model
Returns:
the schema type associated with the attribute use identified by the fingerprint. If there is no such attribute use, return null.
Throws:
SchemaException

getAttributeUseCardinality

int getAttributeUseCardinality(int fingerprint)
                               throws SchemaException
Find an attribute use within this complex type definition having a given attribute name (identified by fingerprint), and return the cardinality associated with that attribute, which will always be 0, 1, or 0-or-1. If there is no such attribute use, return 0. If the fingerprint matches an attribute wildcard, return 0-or-1.

If there are types derived from this type by extension, search those too.

Parameters:
fingerprint - Identifies the name of the child element within this content model
Returns:
the cardinality associated with the attribute use identified by the fingerprint.
Throws:
SchemaException

allowsAttributes

boolean allowsAttributes()
Return true if this type (or any known type derived from it by extension) allows the element to have one or more attributes.

Returns:
true if attributes (other than the standard xsi: attributes) are allowed. The value false indicates that only the standard attributes in the xsi namespace are permitted.

gatherAllPermittedChildren

void gatherAllPermittedChildren(IntHashSet children,
                                boolean ignoreWildcards)
                                throws SchemaException
Get a list of all the names of elements that can appear as children of an element having this complex type, as integer fingerprints. If the list is unbounded (because of wildcards or the use of xs:anyType), return null.

Parameters:
children - an integer set, initially empty, which on return will hold the fingerprints of all permitted child elements; if the result contains the value -1, this indicates that it is not possible to enumerate all the children, typically because of wildcards. In this case the other contents of the set should
ignoreWildcards -
Throws:
SchemaException

gatherAllPermittedDescendants

void gatherAllPermittedDescendants(IntHashSet descendants)
                                   throws SchemaException
Get a list of all the names of elements that can appear as descendants of an element having this complex type, as integer fingerprints. If the list is unbounded (because of wildcards or the use of xs:anyType), include a -1 in the result.

Parameters:
descendants - an integer set, initially empty, which on return will hold the fingerprints of all permitted descendant elements; if the result contains the value -1, this indicates that it is not possible to enumerate all the descendants, typically because of wildcards. In this case the other contents of the set should be ignored.
Throws:
SchemaException

getDescendantElementType

SchemaType getDescendantElementType(int fingerprint)
                                    throws SchemaException
Assuming an element is a permitted descendant in the content model of this type, determine the type of the element when it appears as a descendant. If it appears with more than one type, return xs:anyType.

Parameters:
fingerprint - the name of the required descendant element
Returns:
the type of the descendant element; null if the element cannot appear as a descendant; anyType if it can appear with several different types
Throws:
SchemaException

getDescendantElementCardinality

int getDescendantElementCardinality(int fingerprint)
                                    throws SchemaException
Assuming an element is a permitted descendant in the content model of this type, determine the cardinality of the element when it appears as a descendant.

Parameters:
fingerprint - the name of the required descendant element
Returns:
the cardinality of the descendant element within this complex type
Throws:
SchemaException

containsElementWildcard

boolean containsElementWildcard()
Ask whether this type (or any known type derived from it by extension) allows the element to have children that match a wildcard

Returns:
true if the content model of this type, or its extensions, contains an element wildcard


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