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## org.modeshape.jcr.cache
Class ReferentialIntegrityException

    java.lang.Object
      java.lang.Throwable
          java.lang.Exception
              java.lang.RuntimeException
                  org.modeshape.jcr.cache.ReferentialIntegrityException

All Implemented Interfaces:
  Serializable

    public class ReferentialIntegrityException

extends RuntimeException

An exception signalling that a set of nodes could not be deleted because there are other nodes that contain JCR REFERENCE properties pointing to these ndoes, preventing their deletion.

See Also:
  Serialized Form

Constructor Summary
`ReferentialIntegrityException(Set<NodeKey> removedNodes, Set<NodeKey> referrers)`

Method Summary
`Set<NodeKey>` | `getReferrers()` Get the set of node keys that contain REFERENCE properties to nodes being deleted, and therefore prevent the removal.
`Set<NodeKey>` | `getRemovedNodes()` Get the set of keys to the nodes that were removed.

Methods inherited from class java.lang.Throwable
`fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString`

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

Constructor Detail

### ReferentialIntegrityException

    public ReferentialIntegrityException(Set<NodeKey> removedNodes,
                                         Set<NodeKey> referrers)

Parameters:
  `removedNodes` - the nodes that are being removed; may not be null or empty
  `referrers` - the set of node keys that refer to nodes being removed; may not be null or empty

Method Detail

### getReferrers

    public Set<NodeKey> getReferrers()

  Get the set of node keys that contain REFERENCE properties to nodes being deleted, and therefore prevent the removal.

  Returns:
    the immutable set of node keys to the referring nodes; never null and never empty

### getRemovedNodes

    public Set<NodeKey> getRemovedNodes()

  Get the set of keys to the nodes that were removed.

  Returns:
    the immutable set of keys to the removed nodes; never null and never empty

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