About LockModeType

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JPA Doc
5

setLockMode(lockMode)

Method javax.persistence.Query Query 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 - if the query is found not to be a Java Persistence query language SELECT query or a Criteria API query Since: JPA 2.0
JPA Doc
5

setLockMode(lockMode)

Method javax.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 - if the query is found not to be a Java Persistence
Result
5

java.io.Serializable

, JDOUnsupportedOptionException, JDOUserCallbackException, JDOUserException, JoinType, LoadState, LockModeType
Forum
3

"Attempt to lock a non entity object" error

(),       LockModeType.PESSIMISTIC_WRITE); . . } //doEdit ... ; import javax.persistence.LockModeType; import javax.persistence.Persistence ... );         em.lock(p, LockModeType.PESSIMISTIC_WRITE);         System.out.println("After find
Result
2

ObjectDB version 2.4.0

of entity classes (issue #672). Fixed LockModeType.OPTIMISTIC (READ) by handling it as OPTIMISTIC_FORCE_INCREMENT. Fixed a bug in optimistic locking on find by using LockModeType.WRITE. Fixed
Forum
1

Duplicate Entity class names causes Exception in Query

.setHint(QueryHints.CACHE_USAGE, CacheUsage.CheckCacheThenDatabase); /* q.setLockMode(LockModeType
Forum
1

How to do multithreading with embedded ObjectDB

with a retrieval with a lock and an update:         Point point = em.find(Point.class, 1, LockModeType
Forum
1

Optimistic locking failure

if was fixed the same problem with LockModeType.READ: Thread[Thread-1,5,main] READ  A1 version=1
Issue
1

Pessimistic lock timeout - blocks indefinitely

); MyEntity loaded = em.find(MyEntity.class, 1, LockModeType.PESSIMISTIC_WRITE, properties
Issue
1

Threaded Test - Failed to commit transaction: Unexpected internal exception

(                     LockModeType.PESSIMISTIC_WRITE).getSingleResult();                 em.remove(p