javax.persistence

Annotation Type NamedSubgraph

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

The NamedSubgraph annotation is used to further define an attribute node. It is referenced by its name from the subgraph or keySubgraph element of a NamedAttributeNode element.

Since:

JPA 2.1

Required Element Summary

Required Elements

Modifier and Type	Required Element and Description
NamedAttributeNode[]	attributeNodes Lists attributes of the class that must be included.
String	name The name element is the name used to reference the subgraph from a NamedAttributeNode definition.

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
Class	type The type element must be specified when the subgraph corresponds to a subclass of the entity type corresponding to the referencing attribute node.

Element Detail

name

public abstract String name

The name element is the name used to reference the subgraph from a NamedAttributeNode definition. In the case of entity inheritance, multiple subgraph elements have the same name.

Returns:

name

attributeNodes

public abstract NamedAttributeNode[] attributeNodes

Lists attributes of the class that must be included. If the subgraph corresponds to a subclass of the class referenced by the corresponding attribute node, only subclass-specific attributes are listed.

Returns:

attribute nodes

type

public abstract Class type

The type element must be specified when the subgraph corresponds to a subclass of the entity type corresponding to the referencing attribute node.

Returns:

type

Default:

void.class