Module jakarta.persistence
Package jakarta.persistence

Annotation Interface NamedSubgraph

@Target({}) @Retention(RUNTIME) public @interface NamedSubgraph
A NamedSubgraph is a member element of a NamedEntityGraph. The NamedSubgraph is only referenced from within its containing NamedEntityGraph and cannot be referenced independently. It is referenced by its name() from a NamedAttributeNode element of the NamedEntityGraph.
Since:
2.1
See Also:

  • Required Element Summary

    Required Elements
    Modifier and Type
    Required Element
    Description
    NamedAttributeNode[]
    attributeNodes
    (Required) The list of the attributes of the class that must be included.
    String
    name
    (Required) The name of the subgraph as referenced from a NamedAttributeNode element.

  • Optional Element Summary

    Optional Elements
    Modifier and Type
    Optional Element
    Description
    Class<?>
    type
    (Optional) The type represented by this subgraph.

  • Element Details

    • name

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

    • type

      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

    • attributeNodes

      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.