 31 | reflection provides for general Java types. The Metamodel Interface The main interface of the JPA ... (); The Metamodel interface provides several methods for exploring user defined persistable types (which are referred to as managed types) in the persistent object model. Three methods can be used |
24 | and either the same type or a convertible type, as explained below. A matching field ... the hierarchy, removing an intermediate class in the hierarchy, etc.). Convertible Types When an old matching field is found but its type is different than the type of the new field (with the same name |
22 | , ManagedType, Type Instances of the type EntityType represent entity types. Since: JPA 2.0 Attribute getAttribute(String name) Return the attribute of the managed type that corresponds to the specified name. Return the attribute of the managed type that corresponds to the specified |
22 | javax.persistence.metamodel Interface IdentifiableType Superinterfaces: ManagedType, Type Subinterfaces: EntityType, MappedSuperclassType Instances of the type IdentifiableType represent entity or mapped superclass types. Since: JPA 2.0 Attribute getAttribute(String name) Return |
22 | >, ManagedType, Type Instances of the type MappedSuperclassType represent mapped superclass types. Since: JPA 2.0 Attribute getAttribute(String name) Return the attribute of the managed type that corresponds to the specified name. Return the attribute of the managed type that corresponds |
20 | (recommended before deployment). Schema Evolution Fully automatic schema evolution and type versioning ... . Removed fields are handled automatically. Most field type changes are handled automatically. Moving fields up and down in the class hierarchy is transparent. Support for renaming types, fields |
20 | (recommended before deployment). Schema Evolution Fully automatic schema evolution and type versioning ... . Removed fields are handled automatically. Most field type changes are handled automatically. Moving fields up and down in the class hierarchy is transparent. Support for renaming types, fields |
20 | deployment). Schema Evolution Fully automatic schema evolution and type versioning. Class hierarchy ... automatically. Most field type changes are handled automatically. Moving fields up and down in the class hierarchy is transparent. Support for renaming types, fields and properties. Object Model |
20 | Literals in JPQL, as in Java, represent constant values. JPQL supports various types of literals ... . 'abc'), enum literals (e.g. mypackage.MyEnum.MY_VALUE) and entity type literals (e.g. Country). JPQL ... values, but the fully qualified name of the enum type should always be specified. For example, assuming |
19 | javax.persistence.metamodel Interface EmbeddableType Superinterfaces: ManagedType, Type Instances of the type EmbeddableType represent embeddable types. Since: JPA 2.0 Attribute getAttribute(String name) Return the attribute of the managed type that corresponds to the specified name |