About lock

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JPA Doc
12

find(entityClass, primaryKey, lockMode)

,   LockModeType lockMode ) Find by primary key and lock. Search for an entity of the specified class and primary key and lock it with respect to the specified lock type. If the entity instance is contained in ... if the lock method had been called on the entity. If the entity is found within the persistence
JPA Doc
12

find(entityClass, primaryKey, lockMode, properties)

,   LockModeType lockMode,   Map properties ) Find by primary key and lock, using the specified properties. Search for an entity of the specified class and primary key and lock it with respect to the specified lock type. If the entity instance is contained in the persistence context, it is returned from
JPA Doc
12

find(entityClass, primaryKey, lockMode, properties)

,   LockModeType lockMode,   Map properties ) Find by primary key and lock, using the specified properties. Search for an entity of the specified class and primary key and lock it with respect to the specified lock type. If the entity instance is contained in the persistence context
JPA Doc
11

javax.persistence.Query

lock mode for the query. Get the current lock mode for the query. Returns: lock mode Throws ... - if a lock mode has been set and there is no transaction PessimisticLockException - if pessimistic locking fails and the transaction is rolled back LockTimeoutException - if pessimistic locking
JPA Doc
11

refresh(entity, lockMode, properties)

changes made to the entity, if any, and lock it with respect to given lock mode type and with specified properties. 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
FAQ
10

What is ObjectDB?

ObjectDB is an Object Oriented Database Management System (ODBMS). It provides all the standard database management services (storage and retrieval, transactions, lock management, query processing, etc.), but it uses an object oriented model to store and manage data. You can easily store ordinary
Result
10

About ObjectDB Database

ObjectDB Object Database ObjectDB is a powerful Object-Oriented Database Management System (ODBMS). It is compact, reliable, easy to use and extremely fast. ObjectDB provides all the standard database management services (storage and retrieval, transactions, lock management, query processing
Result
10

About ObjectDB Database [2017-10-24]

ObjectDB Object Database ObjectDB is a powerful Object-Oriented Database Management System (ODBMS). It is compact, reliable, easy to use and extremely fast. ObjectDB provides all the standard database management services (storage and retrieval, transactions, lock management, query processing
Manual
10

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
10

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