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persistence-unit">persistence unit - using a persistence-unit#persistence.xml">persistence.xml property: persistence/lock#optimistic_locking">optimistic locking to prevent concurrent changes to entity

;dir>  :  path to input user classes -pu <name> :  persistence unit name -s ... test.pc.* Use the -pu option with the name of a persistence unit to enhance all the managed classes that are defined in that persistence unit:

>For the entire persistence-unit">persistence unit - using a persistence-unit#persistence.xml">persistence.xml property ... . The "javax.persistence.lock.timeout" hint can be set to allow waiting

class="description"> The validation mode to be used by the provider for the persistence unit ... javax.persistencejava.lang.Enum<javax.persistence.ValidationMode>

field or property. The scope of the generator name is global to the persistence unit ... javax.persistence ... ="/api/java/jpa/GeneratedValue" title="Annotation in javax.persistence">GeneratedValue

> Specifies a static, named query in the Java Persistence query language. Query names are scoped to the persistence unit. The NamedQuery annotation ... javax.persistence

="description"> Provides access to the metamodel of persistent entities in the persistence unit. javax.persistence ... " title="Interface in javax.persistence.metamodel">EmbeddableType<X>

to the persistence unit. The NamedNativeQuery annotation can be applied ... javax.persistence ... /java/jpa/QueryHint" title="Annotation in javax.persistence">QueryHint[]

key field or property. The scope of the generator name is global to the persistence unit ... javax.persistence ... for the persistence">GeneratedValue

> Specifies multiple named Java Persistence query language queries. Query names are scoped to the persistence unit. The NamedQueries annotation ... javax.persistence