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

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

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