public class

XSEmptyCM

extends Object
implements XSCMValidator
java.lang.Object
   ↳ org.apache.xerces.impl.xs.models.XSEmptyCM

Class Overview

XSEmptyCM is a derivative of the abstract content model base class that handles a content model with no chilren (elements). This model validated on the way in.

Summary

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Inherited Constants
From interface org.apache.xerces.impl.xs.models.XSCMValidator
Public Constructors
XSEmptyCM()
Public Methods
boolean checkUniqueParticleAttribution(SubstitutionGroupHandler subGroupHandler)
check whether this content violates UPA constraint.
boolean endContentModel(int[] currentState)
The method indicates the end of list of children
Object oneTransition(QName elementName, int[] currentState, SubstitutionGroupHandler subGroupHandler)
The method corresponds to one transaction in the content model.
int[] startContentModel()
This methods to be called on entering a first element whose type has this content model.
Vector whatCanGoHere(int[] state)
Check which elements are valid to appear at this point.
[Expand]
Inherited Methods
From class java.lang.Object
From interface org.apache.xerces.impl.xs.models.XSCMValidator

Public Constructors

public XSEmptyCM ()

Public Methods

public boolean checkUniqueParticleAttribution (SubstitutionGroupHandler subGroupHandler)

check whether this content violates UPA constraint.

Parameters
subGroupHandler the substitution group handler
Returns
  • true if this content model contains other or list wildcard
Throws
XMLSchemaException

public boolean endContentModel (int[] currentState)

The method indicates the end of list of children

Parameters
currentState Current state of the content model
Returns
  • true if the last state was a valid final state

public Object oneTransition (QName elementName, int[] currentState, SubstitutionGroupHandler subGroupHandler)

The method corresponds to one transaction in the content model.

Parameters
elementName the qualified name of the element
currentState Current state
subGroupHandler the substitution group handler
Returns
  • element index corresponding to the element from the Schema grammar

public int[] startContentModel ()

This methods to be called on entering a first element whose type has this content model. It will return the initial state of the content model

Returns
  • Start state of the content model

public Vector whatCanGoHere (int[] state)

Check which elements are valid to appear at this point. This method also works if the state is in error, in which case it returns what should have been seen.

Parameters
state the current state
Returns
  • a Vector whose entries are instances of either XSWildcardDecl or XSElementDecl.