About lock

51-60 of 182Refresh
Manual
11

Database Doctor

engine (not using one server process), thus bypassing ObjectDB internal file lock protection. Modifying
Manual
11

Chapter 3 - Using JPA [2011-04-24]

This chapter explains how to manage ObjectDB databases using the Java Persistence API (JPA). The first two pages introduce basic JPA interfaces and concepts: The next section explains how to use JPA for database CRUD operations: More advanced topics (e.g. locking and events) are discussed in the last section:
Result
11

ObjectDB - Object Database for Java (JPA/JDO) [2017-10-18]

) Using a standard Java API (JPA / JDO) provides many benefits, including: Avoiding vendor lock in
Result
11

ObjectDB - Object Database for Java (JPA/JDO) [2018-10-30]

) Using a standard Java API (JPA / JDO) provides many benefits, including: Avoiding vendor lock in
Result
11

ObjectDB - Object Database for Java (JPA/JDO) [2018-11-03]

) Using a standard Java API (JPA / JDO) provides many benefits, including: Avoiding vendor lock in
Result
11

ObjectDB - Object Database for Java (JPA/JDO)

) Using a standard Java API (JPA / JDO) provides many benefits, including: Avoiding vendor lock in
JPA Doc
11

refresh(entity, lockMode)

, and lock it with respect to given lock mode type. If the lock mode type is pessimistic and the entity instance is found but cannot be locked: the PessimisticLockException will be thrown if the database locking failure causes transaction-level rollback the LockTimeoutException will be thrown
JPA Doc
8

PessimisticLockScope.NORMAL

for pessimistic locking. The persistence provider must lock the database row(s) that correspond ... is used, or if the entity is otherwise mapped to a secondary table, this entails locking the row(s) for the entity instance in the additional table(s). Entity relationships for which the locked entity
Issue
8

Freeze during save

.jdo.PMImpl.makePersistent(PMImpl.java:241) - locked <13f2027> (a com.spiffymap.naviupdate.model.Repository) - locked <5e745b> (a com.objectdb.jdo.PMImpl) Could you please post ... (Thread.java:748) Locked ownable synchronizers: - locked (a java.util
JPA Doc
8

PessimisticLockScope.EXTENDED

in join tables will be locked if the javax.persistence.lock.scope property is specified ... be locked (unless those entities are explicitly locked). Locking such a relationship or element collection generally locks only the rows in the join table or collection table for that relationship or