## org.apache.xerces.impl.xs
Class XSConstraints

    java.lang.Object
      org.apache.xerces.impl.xs.XSConstraints

    public class XSConstraints

extends java.lang.Object

Constraints shared by traversers and validator

Version:
  $Id: XSConstraints.java 573322 2007-09-06 16:48:47Z peterjm $
Author:
  Sandy Gao, IBM

# INTERNAL:

  Usage of this class is not supported. It may be altered or removed at any time.

Constructor Summary
`XSConstraints()`

Method Summary
`static boolean` `checkComplexDerivationOk(XSComplexTypeDecl derived, org.apache.xerces.xs.XSTypeDefinition base, short block)` check whether complex type derived is valid derived from base, given a subset of {restriction, extension}.
`static void` `checkElementDeclsConsistent(XSComplexTypeDecl type, XSParticleDecl particle, SymbolHash elemDeclHash, SubstitutionGroupHandler sgHandler)`
`static boolean` `checkSimpleDerivationOk(XSSimpleType derived, org.apache.xerces.xs.XSTypeDefinition base, short block)` check whether simple type derived is valid derived from base, given a subset of {restriction, extension}.
`static boolean` `checkTypeDerivationOk(org.apache.xerces.xs.XSTypeDefinition derived, org.apache.xerces.xs.XSTypeDefinition base, short block)` check whether derived is valid derived from base, given a subset of {restriction, extension}.B
`static java.lang.Object` `ElementDefaultValidImmediate(org.apache.xerces.xs.XSTypeDefinition type, java.lang.String value, ValidationContext context, ValidatedInfo vinfo)` check whether a value is a valid default for some type returns the compiled form of the value The parameter value could be either a String or a ValidatedInfo object
`static void` `findElemInTable(XSComplexTypeDecl type, XSElementDecl elem, SymbolHash elemDeclHash)`
`static void` `fullSchemaChecking(XSGrammarBucket grammarBucket, SubstitutionGroupHandler SGHandler, CMBuilder cmBuilder, XMLErrorReporter errorReporter)` used to check the 3 constraints against each complex type (should be each model group): Unique Particle Attribution, Particle Derivation (Restriction), Element Declrations Consistent.
`static boolean` `overlapUPA(java.lang.Object decl1, java.lang.Object decl2, SubstitutionGroupHandler sgHandler)`
`static boolean` `overlapUPA(XSElementDecl element1, XSElementDecl element2, SubstitutionGroupHandler sgHandler)`
`static boolean` `overlapUPA(XSElementDecl element, XSWildcardDecl wildcard, SubstitutionGroupHandler sgHandler)`
`static boolean` `overlapUPA(XSWildcardDecl wildcard1, XSWildcardDecl wildcard2)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### XSConstraints

    public XSConstraints()

Method Detail

### checkTypeDerivationOk

    public static boolean checkTypeDerivationOk(org.apache.xerces.xs.XSTypeDefinition derived,
                                                org.apache.xerces.xs.XSTypeDefinition base,
                                                short block)

  check whether derived is valid derived from base, given a subset of {restriction, extension}.B

### checkSimpleDerivationOk

    public static boolean checkSimpleDerivationOk(XSSimpleType derived,
                                                  org.apache.xerces.xs.XSTypeDefinition base,
                                                  short block)

  check whether simple type derived is valid derived from base, given a subset of {restriction, extension}.

### checkComplexDerivationOk

    public static boolean checkComplexDerivationOk(XSComplexTypeDecl derived,
                                                   org.apache.xerces.xs.XSTypeDefinition base,
                                                   short block)

  check whether complex type derived is valid derived from base, given a subset of {restriction, extension}.

### ElementDefaultValidImmediate

    public static java.lang.Object ElementDefaultValidImmediate(org.apache.xerces.xs.XSTypeDefinition type,
                                                                java.lang.String value,
                                                                ValidationContext context,
                                                                ValidatedInfo vinfo)

  check whether a value is a valid default for some type returns the compiled form of the value The parameter value could be either a String or a ValidatedInfo object

### fullSchemaChecking

    public static void fullSchemaChecking(XSGrammarBucket grammarBucket,
                                          SubstitutionGroupHandler SGHandler,
                                          CMBuilder cmBuilder,
                                          XMLErrorReporter errorReporter)

  used to check the 3 constraints against each complex type (should be each model group): Unique Particle Attribution, Particle Derivation (Restriction), Element Declrations Consistent.

### checkElementDeclsConsistent

    public static void checkElementDeclsConsistent(XSComplexTypeDecl type,
                                                   XSParticleDecl particle,
                                                   SymbolHash elemDeclHash,
                                                   SubstitutionGroupHandler sgHandler)
                                            throws XMLSchemaException

  Throws:
    `XMLSchemaException`

### findElemInTable

    public static void findElemInTable(XSComplexTypeDecl type,
                                       XSElementDecl elem,
                                       SymbolHash elemDeclHash)
                                throws XMLSchemaException

  Throws:
    `XMLSchemaException`

### overlapUPA

    public static boolean overlapUPA(XSElementDecl element1,
                                     XSElementDecl element2,
                                     SubstitutionGroupHandler sgHandler)

### overlapUPA

    public static boolean overlapUPA(XSElementDecl element,
                                     XSWildcardDecl wildcard,
                                     SubstitutionGroupHandler sgHandler)

### overlapUPA

    public static boolean overlapUPA(XSWildcardDecl wildcard1,
                                     XSWildcardDecl wildcard2)

### overlapUPA

    public static boolean overlapUPA(java.lang.Object decl1,
                                     java.lang.Object decl2,
                                     SubstitutionGroupHandler sgHandler)

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