com.saxonica.schema
Class ChoiceCompositor

java.lang.Object
  com.saxonica.schema.SchemaStructure
      com.saxonica.schema.AbstractParticle
          com.saxonica.schema.Compositor
              com.saxonica.schema.ChoiceCompositor

All Implemented Interfaces:

Particle, SchemaComponent, java.io.Serializable, javax.xml.transform.SourceLocator, Term, UserSchemaComponent

public class ChoiceCompositor

extends Compositor

A ChoiceCompositor represents an xs:choice element in the schema

See Also:

Serialized Form

Field Summary

Fields inherited from class com.saxonica.schema.Compositor

contentModel

Fields inherited from class com.saxonica.schema.AbstractParticle

UNBOUNDED

Fields inherited from interface net.sf.saxon.type.SchemaComponent

FIXED_UP, INCOMPLETE, INVALID, UNVALIDATED, VALIDATED, VALIDATING

Constructor Summary

ChoiceCompositor()

Method Summary

boolean	isEmptiable() Determine if empty content is allowed
void	rewrite() Rewrite a particle prior to compiling it
boolean	validate(PreparedSchema schema) Checks the validity of this Compositor definition.

Methods inherited from class com.saxonica.schema.Compositor

addParticle, checkElements, compile, containsAll, fixup, getElementParticleCardinality, getElementParticleType, getTerm, isEmpty, iterateParticles, lookForCycles

Methods inherited from class com.saxonica.schema.AbstractParticle

getMaxOccurs, getMinOccurs, setMaxOccurs, setMinOccurs

Methods inherited from class com.saxonica.schema.SchemaStructure

getColumnNumber, getFixupStatus, getLineNumber, getPublicId, getSchema, getSystemId, getValidationStatus, setFixupStatus, setLineNumber, setLocator, setSchema, setSystemId, setValidationStatus

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.sf.saxon.type.SchemaComponent

getValidationStatus

Constructor Detail

ChoiceCompositor

public ChoiceCompositor()

Method Detail

isEmptiable

public boolean isEmptiable()
                    throws UnresolvedReferenceException

Determine if empty content is allowed

Returns:

true if empty content matches this compositor, which is true if the compositor as a whole has minOccurs=0, or if any of the choices allows empty content.

Throws:

UnresolvedReferenceException

rewrite

public void rewrite()

Rewrite a particle prior to compiling it

Specified by:

rewrite in interface Particle

Overrides:

rewrite in class Compositor

validate

public boolean validate(PreparedSchema schema)
                 throws SchemaException,
                        ValidationException

Checks the validity of this Compositor definition.

Specified by:

validate in interface UserSchemaComponent

Overrides:

validate in class Compositor

Throws:

SchemaException - when the error listener decides an error is fatal

ValidationException