| Package | Description | 
|---|---|
| javax.persistence | Java Persistence is the API for the management for persistence and object/relational mapping. | 
| javax.persistence.criteria | Java Persistence Criteria API | 
| javax.persistence.spi | SPI for Java Persistence providers | 
| Class and Description | 
|---|
| AccessType Used with the  Accessannotation to specify an access
 type to be applied to an entity class, mapped superclass, or
 embeddable class, or to a specific attribute of such a class. | 
| AttributeNode Represents an attribute node of an entity graph. | 
| Cache Interface used to interact with the second-level cache. | 
| CacheRetrieveMode Used as the value of the
  javax.persistence.cache.retrieveModeproperty to
 specify the behavior when data is retrieved by thefindmethods and by queries. | 
| CacheStoreMode Used as the value of the
  javax.persistence.cache.storeModeproperty to specify
 the behavior when data is read from the database and when data is
 committed into the database. | 
| CascadeType Defines the set of cascadable operations that are propagated 
 to the associated entity. | 
| ConstraintMode Used to control the application of a constraint. | 
| DiscriminatorType Defines supported types of the discriminator column. | 
| EntityGraph This type represents the root of an entity graph that will be used
 as a template to define the attribute nodes and boundaries of a
 graph of entities and entity relationships. | 
| EntityManager Interface used to interact with the persistence context. | 
| EntityManagerFactory Interface used to interact with the entity manager factory
 for the persistence unit. | 
| EntityTransaction Interface used to control transactions on resource-local entity
 managers. | 
| EnumType Defines mapping for enumerated types. | 
| FetchType Defines strategies for fetching data from the database. | 
| FlushModeType Flush mode setting. | 
| GenerationType Defines the types of primary key generation strategies. | 
| InheritanceType Defines inheritance strategy options. | 
| LockModeType Lock modes can be specified by means of passing a  LockModeTypeargument to one of theEntityManagermethods that take locks
 (lock,find, orrefresh) or
 to theQuery.setLockMode()orTypedQuery.setLockMode()method. | 
| Parameter Type for query parameter objects. | 
| ParameterMode Specifies the mode of a parameter of a stored procedure query. | 
| PersistenceContextType Specifies whether a transaction-scoped or extended 
 persistence context is to be used in  PersistenceContext. | 
| PersistenceException Thrown by the persistence provider when a problem occurs. | 
| PersistenceUnitUtil Utility interface between the application and the persistence
 provider managing the persistence unit. | 
| PersistenceUtil Utility interface between the application and the persistence
 provider(s). | 
| PessimisticLockScope Defines the values of the  javax.persistence.lock.scopeproperty for pessimistic locking. | 
| Query Interface used to control query execution. | 
| SharedCacheMode Specifies how the provider must use a second-level cache for the
 persistence unit. | 
| StoredProcedureQuery Interface used to control stored procedure query execution. | 
| Subgraph This type represents a subgraph for an attribute node that
 corresponds to a Managed Type. | 
| SynchronizationType Specifies whether the persistence context is always automatically 
 synchronized with the current transaction or whether the persistence context
 must be explicitly joined to the current transaction by means of the
  EntityManager.joinTransaction()method. | 
| TemporalType Type used to indicate a specific mapping of  java.util.Dateorjava.util.Calendar. | 
| TupleElement The  TupleElementinterface defines an element that is returned in
 a query result tuple. | 
| TypedQuery Interface used to control the execution of typed queries. | 
| ValidationMode The validation mode to be used by the provider for the persistence
 unit. | 
| Class and Description | 
|---|
| Parameter Type for query parameter objects. | 
| Tuple Interface for extracting the elements of a query result tuple. | 
| TupleElement The  TupleElementinterface defines an element that is returned in
 a query result tuple. | 
| Class and Description | 
|---|
| EntityManagerFactory Interface used to interact with the entity manager factory
 for the persistence unit. | 
| SharedCacheMode Specifies how the provider must use a second-level cache for the
 persistence unit. | 
| ValidationMode The validation mode to be used by the provider for the persistence
 unit. | 
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