About type
JPA Persistable Types
Explains how JPA manages types, including entity classes, embeddable classes, primitive types, wrappers, string, date, enum, collections and maps.... must be specified for persistent fields or properties of type java.util.Date and java.util.Calendar. See JavaDoc Reference Page... ... must be specified for persistent fields or properties of type java.util.Date and java.util.Calendar. See JavaDoc Reference Page... ...
JPA Metamodel API
Explains how to use the JPA Metamodel API to retrieve details on the types and attributes of the persistent object model.... The Metamodel Interface Type Interface Hierarchy Attribute Interface Hierarchy ... JPA interface Instances of the type ManagedType represent entity, mapped superclass, and embeddable types. ...
Paths and Types in JPQL and Criteria API
Explains how to use object expressions (path navigation, type) in JPA/JPQL.... types (number, boolean, string, date). Simple type values are more useful in queries. They have special operators and ... Navigation through a NULL value Entity Type Expressions Criteria Query Paths and Types ...
javax.persistence.metamodel.EntityType
Instances of the type EntityType represent entity types.(Interface of JPA)
javax.persistence.metamodel.MappedSuperclassType
Instances of the type MappedSuperclassType represent mapped superclass types.(Interface of JPA)
javax.persistence.metamodel.IdentifiableType
Instances of the type IdentifiableType represent entity or mapped superclass types.(Interface of JPA)
javax.persistence.metamodel.ManagedType
Instances of the type ManagedType represent entity, mapped superclass, and embeddable types.(Interface of JPA)
javax.persistence.metamodel.EmbeddableType
Instances of the type EmbeddableType represent embeddable types.(Interface of JPA)
type()
Create an expression corresponding to the type of the path.(Method of javax.persistence.criteria.Path)
Literals in JPQL and Criteria Queries
Describes literals in JPQL, including null, false, true, numbers, strings, dates enums and types.... literals (e.g. mypackage.MyEnum.MY_VALUE ) and entity type literals (e.g. Country ). JPQL literals should be used ... Literals Enum Literals Entity Type Literals Criteria Query Literals The ...
