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## org.jboss.cache.pojo
Interface Reference

All Known Implementing Classes:
  ReferenceImpl

    public interface Reference

A reference to an attached object. This class represents both normal Fqn aliases, and references from other attached objects.

Since:
  2.2
Author:
  Dan Berindei

Method Summary
`Fqn<?>` | `getFqn()` Returns the Fqn of the referring node.
`String` | `getKey()` Returns the name of the node key which references the attached object, or null if the Fqn is a normal alias to the internal node.

Method Detail

### getFqn

    Fqn<?> getFqn()

  Returns the Fqn of the referring node. Cannot be `null`.

  Returns:
    `Fqn` of the referring node.

### getKey

    String getKey()

  Returns the name of the node key which references the attached object, or null if the Fqn is a normal alias to the internal node. If there is a key, then this is typically a field name or collection index.

  Returns:
    Name of the field or key/index in the collection that is containing the reference.

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