javax.persistence

## Annotation Type NamedSubgraph

    @Target(value={})
     @Retention(value=RUNTIME)
    public @interface NamedSubgraph

A `NamedSubgraph` is a member element of a `NamedEntityGraph`. The `NamedSubgraph` is only referenced from within a NamedEntityGraph and can not be referenced independently. It is referenced by its `name` from a `NamedAttributeNode` element of the `NamedEntityGraph`.

See Also:
  `NamedEntityGraph`, `NamedAttributeNode`
Since:
  Java Persistence 2.1

### Required Element Summary

Required Elements
`NamedAttributeNode[]` `attributeNodes` (Required) The list of the attributes of the class that must be included.
`java.lang.String` `name` (Required) The name of the subgraph as referenced from a NamedAttributeNode element.

### Optional Element Summary

Optional Elements
`java.lang.Class` `type` (Optional) The type represented by this subgraph.

### Element Detail

#### name

    public abstract java.lang.String name

(Required) The name of the subgraph as referenced from a NamedAttributeNode element.

#### attributeNodes

    public abstract NamedAttributeNode[] attributeNodes

(Required) The list of the attributes of the class that must be included. If the named subgraph corresponds to a subclass of the class referenced by the corresponding attribute node, then only subclass-specific attributes are listed.

#### type

    public abstract java.lang.Class type

(Optional) The type represented by this subgraph. The element must be specified when this subgraph is extending a definition on behalf of a subclass.

Default:
  void.class