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

    java.lang.Object
      |
      +--org.apache.xerces.impl.xs.XSElementDecl

All Implemented Interfaces:
  org.apache.xerces.xs.XSElementDeclaration, org.apache.xerces.xs.XSObject, org.apache.xerces.xs.XSTerm

public class XSElementDecl
extends java.lang.Object
implements org.apache.xerces.xs.XSElementDeclaration

The XML representation for an element declaration schema component is an element information item

Version:
  $Id: XSElementDecl.java,v 1.14 2003/11/12 23:17:33 sandygao Exp $
Author:
  Elena Litani, IBM, Sandy Gao, IBM

Field Summary
`XSAnnotationImpl` | `fAnnotation`
`short` | `fBlock`
`ValidatedInfo` | `fDefault`
`short` | `fFinal`
`java.lang.String` | `fName`
`short` | `fScope`
`XSElementDecl` | `fSubGroup`
`java.lang.String` | `fTargetNamespace`
`org.apache.xerces.xs.XSTypeDefinition` | `fType`
`static short` | `SCOPE_ABSENT`
`static short` | `SCOPE_GLOBAL`
`static short` | `SCOPE_LOCAL`

Constructor Summary
`XSElementDecl()`

Method Summary
`void` | `addIDConstraint(IdentityConstraint idc)`
`boolean` | `equals(java.lang.Object o)` whether two decls are the same
`boolean` | `getAbstract()` {abstract} A boolean.
`java.lang.Object` | `getActualVC()` Value Constraint: Binding specific actual constraint value or `null` if the value is in error or there is no value constraint.
`short` | `getActualVCType()` The actual constraint value built-in datatype, e.g.
`org.apache.xerces.xs.XSAnnotation` | `getAnnotation()` Optional.
`short` | `getConstraintType()` A value constraint: one of default, fixed.
`java.lang.String` | `getConstraintValue()` A value constraint: The actual value (with respect to the {type definition})
`short` | `getDisallowedSubstitutions()` The supplied values for {disallowed substitutions}
`org.apache.xerces.xs.XSComplexTypeDefinition` | `getEnclosingCTDefinition()` Locally scoped declarations are available for use only within the complex type definition identified by the `scope` property.
`IdentityConstraint[]` | `getIDConstraints()`
`org.apache.xerces.xs.XSNamedMap` | `getIdentityConstraints()` {identity-constraint definitions} A set of constraint definitions.
`org.apache.xerces.xs.ShortList` | `getItemValueTypes()` In the case the actual constraint value represents a list, i.e.
`java.lang.String` | `getName()` The `name` of this `XSObject` depending on the `XSObject` type.
`java.lang.String` | `getNamespace()` The namespace URI of this node, or `null` if it is unspecified.
`org.apache.xerces.xs.XSNamespaceItem` | `getNamespaceItem()` A namespace schema information item corresponding to the target namespace of the component, if it is globally declared; or `null` otherwise.
`boolean` | `getNillable()` If {nillable} is true, then an element may also be valid if it carries the namespace qualified attribute with [local name] nil from namespace http://www.w3.org/2001/XMLSchema-instance and value true (see xsi:nil (2.6.2)) even if it has no text or element content despite a {content type} which would otherwise require content.
`short` | `getScope()` Optional.
`org.apache.xerces.xs.XSElementDeclaration` | `getSubstitutionGroupAffiliation()` {substitution group affiliation} Optional.
`short` | `getSubstitutionGroupExclusions()` Specifies if this declaration can be nominated as the {substitution group affiliation} of other element declarations having the same {type definition} or types derived therefrom.
`short` | `getType()` Get the type of the object, i.e ELEMENT_DECLARATION.
`org.apache.xerces.xs.XSTypeDefinition` | `getTypeDefinition()` Either a simple type definition or a complex type definition.
`int` | `hashCode()` get the hash code
`boolean` | `isDisallowedSubstitution(short disallowed)` Convenience method.
`boolean` | `isSubstitutionGroupExclusion(short exclusion)` Convenience method.
`void` | `reset()` Reset current element declaration
`void` | `setConstraintType(short constraintType)`
`void` | `setIsAbstract()`
`void` | `setIsGlobal()`
`void` | `setIsLocal(XSComplexTypeDecl enclosingCT)`
`void` | `setIsNillable()`
`java.lang.String` | `toString()`

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

Field Detail

### SCOPE_ABSENT

    public static final short SCOPE_ABSENT

### SCOPE_GLOBAL

    public static final short SCOPE_GLOBAL

### SCOPE_LOCAL

    public static final short SCOPE_LOCAL

### fName

    public java.lang.String fName

### fTargetNamespace

    public java.lang.String fTargetNamespace

### fType

    public org.apache.xerces.xs.XSTypeDefinition fType

### fScope

    public short fScope

### fBlock

    public short fBlock

### fFinal

    public short fFinal

### fAnnotation

    public XSAnnotationImpl fAnnotation

### fDefault

    public ValidatedInfo fDefault

### fSubGroup

    public XSElementDecl fSubGroup

Constructor Detail

### XSElementDecl

    public XSElementDecl()

Method Detail

### setConstraintType

    public void setConstraintType(short constraintType)

### setIsNillable

    public void setIsNillable()

### setIsAbstract

    public void setIsAbstract()

### setIsGlobal

    public void setIsGlobal()

### setIsLocal

    public void setIsLocal(XSComplexTypeDecl enclosingCT)

### addIDConstraint

    public void addIDConstraint(IdentityConstraint idc)

### getIDConstraints

    public IdentityConstraint[] getIDConstraints()

### toString

    public java.lang.String toString()

  Overrides:
    `toString` in class `java.lang.Object`

### hashCode

    public int hashCode()

  get the hash code
  Overrides:
    `hashCode` in class `java.lang.Object`

### equals

    public boolean equals(java.lang.Object o)

  whether two decls are the same
  Overrides:
    `equals` in class `java.lang.Object`

### reset

    public void reset()

  Reset current element declaration

### getType

    public short getType()

  Get the type of the object, i.e ELEMENT_DECLARATION.
  Specified by:
    `getType` in interface `org.apache.xerces.xs.XSObject`

### getName

    public java.lang.String getName()

  The `name` of this `XSObject` depending on the `XSObject` type.
  Specified by:
    `getName` in interface `org.apache.xerces.xs.XSObject`

### getNamespace

    public java.lang.String getNamespace()

  The namespace URI of this node, or `null` if it is unspecified. defines how a namespace URI is attached to schema components.
  Specified by:
    `getNamespace` in interface `org.apache.xerces.xs.XSObject`

### getTypeDefinition

    public org.apache.xerces.xs.XSTypeDefinition getTypeDefinition()

  Either a simple type definition or a complex type definition.
  Specified by:
    `getTypeDefinition` in interface `org.apache.xerces.xs.XSElementDeclaration`

### getScope

    public short getScope()

  Optional. Either global or a complex type definition ( `ctDefinition`). This property is absent in the case of declarations within named model groups: their scope will be determined when they are used in the construction of complex type definitions.
  Specified by:
    `getScope` in interface `org.apache.xerces.xs.XSElementDeclaration`

### getEnclosingCTDefinition

    public org.apache.xerces.xs.XSComplexTypeDefinition getEnclosingCTDefinition()

  Locally scoped declarations are available for use only within the complex type definition identified by the `scope` property.
  Specified by:
    `getEnclosingCTDefinition` in interface `org.apache.xerces.xs.XSElementDeclaration`

### getConstraintType

    public short getConstraintType()

  A value constraint: one of default, fixed.
  Specified by:
    `getConstraintType` in interface `org.apache.xerces.xs.XSElementDeclaration`

### getConstraintValue

    public java.lang.String getConstraintValue()

  A value constraint: The actual value (with respect to the {type definition})
  Specified by:
    `getConstraintValue` in interface `org.apache.xerces.xs.XSElementDeclaration`

### getNillable

    public boolean getNillable()

  If {nillable} is true, then an element may also be valid if it carries the namespace qualified attribute with [local name] nil from namespace http://www.w3.org/2001/XMLSchema-instance and value true (see xsi:nil (2.6.2)) even if it has no text or element content despite a {content type} which would otherwise require content.
  Specified by:
    `getNillable` in interface `org.apache.xerces.xs.XSElementDeclaration`

### getIdentityConstraints

    public org.apache.xerces.xs.XSNamedMap getIdentityConstraints()

  {identity-constraint definitions} A set of constraint definitions.
  Specified by:
    `getIdentityConstraints` in interface `org.apache.xerces.xs.XSElementDeclaration`

### getSubstitutionGroupAffiliation

    public org.apache.xerces.xs.XSElementDeclaration getSubstitutionGroupAffiliation()

  {substitution group affiliation} Optional. A top-level element definition.
  Specified by:
    `getSubstitutionGroupAffiliation` in interface `org.apache.xerces.xs.XSElementDeclaration`

### isSubstitutionGroupExclusion

    public boolean isSubstitutionGroupExclusion(short exclusion)

  Convenience method. Check if `exclusion` is a substitution group exclusion for this element declaration.
  Specified by:
    `isSubstitutionGroupExclusion` in interface `org.apache.xerces.xs.XSElementDeclaration`
  Parameters:
    `exclusion` - Extension, restriction or none. Represents final set for the element.
  Returns:
    True if `exclusion` is a part of the substitution group exclusion subset.

### getSubstitutionGroupExclusions

    public short getSubstitutionGroupExclusions()

  Specifies if this declaration can be nominated as the {substitution group affiliation} of other element declarations having the same {type definition} or types derived therefrom.
  Specified by:
    `getSubstitutionGroupExclusions` in interface `org.apache.xerces.xs.XSElementDeclaration`
  Returns:
    A bit flag representing {extension, restriction} or NONE.

### isDisallowedSubstitution

    public boolean isDisallowedSubstitution(short disallowed)

  Convenience method. Check if `disallowed` is a disallowed substitution for this element declaration.
  Specified by:
    `isDisallowedSubstitution` in interface `org.apache.xerces.xs.XSElementDeclaration`
  Parameters:
    `disallowed` - Substitution, extension, restriction or none. Represents a block set for the element.
  Returns:
    True if `disallowed` is a part of the substitution group exclusion subset.

### getDisallowedSubstitutions

    public short getDisallowedSubstitutions()

  The supplied values for {disallowed substitutions}
  Specified by:
    `getDisallowedSubstitutions` in interface `org.apache.xerces.xs.XSElementDeclaration`
  Returns:
    A bit flag representing {substitution, extension, restriction} or NONE.

### getAbstract

    public boolean getAbstract()

  {abstract} A boolean.
  Specified by:
    `getAbstract` in interface `org.apache.xerces.xs.XSElementDeclaration`

### getAnnotation

    public org.apache.xerces.xs.XSAnnotation getAnnotation()

  Optional. Annotation.
  Specified by:
    `getAnnotation` in interface `org.apache.xerces.xs.XSElementDeclaration`

### getNamespaceItem

    public org.apache.xerces.xs.XSNamespaceItem getNamespaceItem()

  Description copied from interface: `org.apache.xerces.xs.XSObject`
  A namespace schema information item corresponding to the target namespace of the component, if it is globally declared; or `null` otherwise.
  Specified by:
    `getNamespaceItem` in interface `org.apache.xerces.xs.XSObject`
  See Also:
    `XSObject.getNamespaceItem()`

### getActualVC

    public java.lang.Object getActualVC()

  Description copied from interface: `org.apache.xerces.xs.XSElementDeclaration`
  Value Constraint: Binding specific actual constraint value or `null` if the value is in error or there is no value constraint.
  Specified by:
    `getActualVC` in interface `org.apache.xerces.xs.XSElementDeclaration`
  Following copied from interface: `org.apache.xerces.xs.XSElementDeclaration`
  Throws:
    `org.apache.xerces.xs.XSException` - NOT_SUPPORTED_ERR: Raised if the implementation does not support this method.

### getActualVCType

    public short getActualVCType()

  Description copied from interface: `org.apache.xerces.xs.XSElementDeclaration`
  The actual constraint value built-in datatype, e.g. `STRING_DT, SHORT_DT`. If the type definition of this value is a list type definition, this method returns `LIST_DT`. If the type definition of this value is a list type definition whose item type is a union type definition, this method returns `LISTOFUNION_DT`. To query the actual constraint value of the list or list of union type definitions use `itemValueTypes`. If the `actualNormalizedValue` is `null`, this method returns `UNAVAILABLE_DT` .
  Specified by:
    `getActualVCType` in interface `org.apache.xerces.xs.XSElementDeclaration`
  Following copied from interface: `org.apache.xerces.xs.XSElementDeclaration`
  Throws:
    `org.apache.xerces.xs.XSException` - NOT_SUPPORTED_ERR: Raised if the implementation does not support this method.

### getItemValueTypes

    public org.apache.xerces.xs.ShortList getItemValueTypes()

  Description copied from interface: `org.apache.xerces.xs.XSElementDeclaration`
  In the case the actual constraint value represents a list, i.e. the `actualValueType` is `LIST_DT`, the returned array consists of one type kind which represents the itemType. If the actual constraint value represents a list type definition whose item type is a union type definition, i.e. `LISTOFUNION_DT`, for each actual constraint value in the list the array contains the corresponding memberType kind. For examples, see `ItemPSVI.itemValueTypes`.
  Specified by:
    `getItemValueTypes` in interface `org.apache.xerces.xs.XSElementDeclaration`
  Following copied from interface: `org.apache.xerces.xs.XSElementDeclaration`
  Throws:
    `org.apache.xerces.xs.XSException` - NOT_SUPPORTED_ERR: Raised if the implementation does not support this method.

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