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Jakarta Persistence (JPA) Enum jakarta.persistence. LockModeType java.lang.Object ∟ java.lang.Enum ∟ jakarta.persistence. LockModeType Implemented Interfaces: FindOption , RefreshOption , Constable ... which may be obtained on an entity instance. A specific lock mode may be requested by passing an explicit LockModeType

Jakarta Persistence (JPA) Method in jakarta.persistence.TypedQuery TypedQuery setLockMode (    LockModeType lockMode ) Set the lock mode type to be used for the query execution. Parameters: lockMode - lock mode Returns: the same query instance. Throws: IllegalStateException

pessimistic lock on an entity instance. The full range of possible lock types is enumerated by LockModeType ... an explicit LockModeType , allowing the client to request a specific type of lock. Interaction ... (JPA) 2.0 T find ( Class entityClass , Object primaryKey , LockModeType lockMode ) Find by primary key

lock on all the result objects: List results = query. setLockMode ( LockModeType . PESSIMISTIC_WRITE

.getReference(Class,Object) EntityManager.refresh(Object) EntityManager.refresh(Object, LockModeType ) EntityManager.refresh(Object, java.util.Map) EntityManager.refresh(Object, LockModeType , java.util.Map) EntityManager.lock(Object, LockModeType ) EntityManager.lock(Object, LockModeType , java.util.Map

. See Also: LockModeType PessimisticLockScope Timeout EntityManager.lock(Object, LockModeType , LockOption...) Since: Jakarta Persistence (JPA) 3.2

The class of the result. Since: Jakarta Persistence (JPA) 1.0 LockModeType lockMode The lock mode obtained by the SQL query. Default: LockModeType .OPTIMISTIC Since: Jakarta Persistence (JPA) 3.2 FieldResult

by the specification. See Also: LockModeType PessimisticLockScope CacheRetrieveMode CacheStoreMode

.CheckCacheThenDatabase); /* q.setLockMode( LockModeType .OPTIMISTIC); */ try { java.lang.Object r = q.getSingleResult