ObjectDB Database Search

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	Setting and Tuning of JPA Queries . Therefore, when performance is important, this issue has to be considered. Lock Mode ( setLockMode ) ObjectDB uses ... adds support for pessimistic locking . The setLockMode method sets a lock mode that has to be applied ... a pessimistic WRITE lock on all the result objects: List results = query. setLockMode
	Query.setLockMode(lockMode) - JPA Method JPA Method in jakarta.persistence.Query Query setLockMode ( LockModeType lockMode ) Set the lock mode type to be used for the query execution. Parameters: lockMode - lock mode Return: the same query instance Throws: IllegalStateException - if the query is found not
	TypedQuery.setLockMode(lockMode) - JPA Method 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 Return: the same query instance Throws: IllegalStateException - if the query is found not
	JPA Named Queries for the setLockMode and setHint methods. Every @NamedQuery annotation is attached
	EnumRef jakarta.persistence.LockModeType locks ( lock() , find() , or refresh() ), or to Query. setLockMode or TypedQuery. setLockMode
	InterfaceRef jakarta.persistence.Query - if the second argument is not valid for the implementation Since: JPA 1.0 Query setLockMode ( LockModeType
	InterfaceRef jakarta.persistence.TypedQuery - if the second argument is not valid for the implementation Since: JPA 2.0 TypedQuery setLockMode
	InterfaceRef jakarta.persistence.StoredProcedureQuery argument is not valid for the implementation Since: JPA 2.1 Query setLockMode ( LockModeType
	Duplicate Entity class names causes Exception in Query .CheckCacheThenDatabase); /* q. setLockMode (LockModeType.OPTIMISTIC); */ try { java.lang.Object r = q.getSingleResult