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| Oracle TopLink API Reference 10g Release 3 (10.1.3) B13698-01
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## oracle.toplink.querykeys
Class OneToOneQueryKey

`java.lang.Object
oracle.toplink.querykeys.QueryKey
oracle.toplink.querykeys.ForeignReferenceQueryKey
oracle.toplink.querykeys.OneToOneQueryKey`

All Implemented Interfaces:
  java.lang.Cloneable, java.io.Serializable

public class OneToOneQueryKey
extends ForeignReferenceQueryKey

Purpose: Define an alias to a foreign one to one object.

See Also:
  Serialized Form

Constructor Summary
`OneToOneQueryKey()`

Methods inherited from class oracle.toplink.querykeys.ForeignReferenceQueryKey
`getJoinCriteria, getReferenceClass, setJoinCriteria, setReferenceClass`

Methods inherited from class oracle.toplink.querykeys.QueryKey
`getName, isCollectionQueryKey, isDirectCollectionQueryKey, isDirectQueryKey, isManyToManyQueryKey, isOneToManyQueryKey, setName`

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

Constructor Detail

### OneToOneQueryKey

    public OneToOneQueryKey()

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