NamedQuery.lockMode - JPA annotation element

Annotation Element
javax.persistence.NamedQuery
LockModeType lockMode

(Optional) The lock mode type to use in query execution. If a lockMode other than LockModeType.NONE is specified, the query must be executed in a transaction.
Default value:
javax.persistence.LockModeType.NONE
Since:
JPA 2.0