Package javax.persistence

Annotation Type NamedSubgraph

@Target({})
@Retention(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.

Since:

Java Persistence 2.1

See Also:

NamedEntityGraph, NamedAttributeNode

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

Element Detail

name

java.lang.String name

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

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.

type

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