javax.persistence.metamodel.Metamodel - JPA interface
javax.persistence.metamodel
Interface Metamodel
Provides access to the metamodel of persistent entities in the persistence unit.
- Since:
- JPA 2.0
EmbeddableType<X> embeddable(Class<X> cls)
Return the metamodel embeddable type representing the embeddable class.
- Parameters:
-
cls- the type of the represented embeddable class
- Returns:
- the metamodel embeddable type
- Throws:
-
IllegalArgumentException- if not an embeddable class
- Since:
- JPA 2.0
EntityType<X> entity(Class<X> cls)
Return the metamodel entity type representing the entity.
- Parameters:
-
cls- the type of the represented entity
- Returns:
- the metamodel entity type
- Throws:
-
IllegalArgumentException- if not an entity
- Since:
- JPA 2.0
Set< EmbeddableType<?>> getEmbeddables()
Return the metamodel embeddable types. Returns empty set if there are no embeddable types.
- Returns:
- the metamodel embeddable types
- Since:
- JPA 2.0
Set< EntityType<?>> getEntities()
Return the metamodel entity types.
- Returns:
- the metamodel entity types
- Since:
- JPA 2.0
Set< ManagedType<?>> getManagedTypes()
Return the metamodel managed types.
- Returns:
- the metamodel managed types
- Since:
- JPA 2.0
ManagedType<X> managedType(Class<X> cls)
Return the metamodel managed type representing the entity, mapped superclass, or embeddable class.
- Parameters:
-
cls- the type of the represented managed class
- Returns:
- the metamodel managed type
- Throws:
-
IllegalArgumentException- if not a managed class
- Since:
- JPA 2.0