KeyRef (Xerces2 Implementation)

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java.lang.Object
- org.apache.xerces.impl.xs.identity.IdentityConstraint
- - org.apache.xerces.impl.xs.identity.KeyRef

All Implemented Interfaces:

org.apache.xerces.xs.XSIDCDefinition, org.apache.xerces.xs.XSObject
```
public class KeyRef
extends IdentityConstraint
```
Schema key reference identity constraint.
INTERNAL:
Usage of this class is not supported. It may be altered or removed at any time.

Version:

$Id: KeyRef.java 572110 2007-09-02 19:04:44Z mrglavas $

Author:

Andy Clark, IBM

Field Summary

Fields
Modifier and Type Field Description

protected UniqueOrKey fKey
The key (or unique) being referred to.
- Fields inherited from class org.apache.xerces.impl.xs.identity.IdentityConstraint
  fAnnotations, fElementName, fFieldCount, fFields, fIdentityConstraintName, fNamespace, fNumAnnotations, fSelector, type
- Fields inherited from interface org.apache.xerces.xs.XSIDCDefinition
  IC_KEY, IC_KEYREF, IC_UNIQUE

Constructor Summary

Constructors
Constructor	Description
`KeyRef(java.lang.String namespace, java.lang.String identityConstraintName, java.lang.String elemName, UniqueOrKey key)`	Constructs a keyref with the specified name.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`UniqueOrKey`	`getKey()`	Returns the key being referred to.
`org.apache.xerces.xs.XSIDCDefinition`	`getRefKey()`	{referenced key} Required if {identity-constraint category} is keyref, forbidden otherwise.

Methods inherited from class org.apache.xerces.impl.xs.identity.IdentityConstraint
addAnnotation, addField, equals, getAnnotations, getCategory, getElementName, getFieldAt, getFieldCount, getFieldStrs, getIdentityConstraintName, getName, getNamespace, getNamespaceItem, getSelector, getSelectorStr, getType, setSelector, toString

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

- Field Detail
  - fKey
```
protected final UniqueOrKey fKey
```
    The key (or unique) being referred to.
- Constructor Detail
  - KeyRef
```
public KeyRef(java.lang.String namespace,
              java.lang.String identityConstraintName,
              java.lang.String elemName,
              UniqueOrKey key)
```
    Constructs a keyref with the specified name.
- Method Detail
  - getKey
```
public UniqueOrKey getKey()
```
    Returns the key being referred to.
  - getRefKey
```
public org.apache.xerces.xs.XSIDCDefinition getRefKey()
```
    {referenced key} Required if {identity-constraint category} is keyref, forbidden otherwise. An identity-constraint definition with {identity-constraint category} equal to key or unique.
    
    Specified by:
    
    getRefKey in interface org.apache.xerces.xs.XSIDCDefinition
    
    Overrides:
    
    getRefKey in class IdentityConstraint

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