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3

lock(entity, lockMode, properties)

version checks when obtaining the database lock. If these checks fail, the OptimisticLockException ... - if the optimistic version check fails PessimisticLockException - if pessimistic locking fails
3

find(entityClass, primaryKey, lockMode, properties)

checks when obtaining the database lock. If these checks fail, the OptimisticLockException ... OptimisticLockException - if the optimistic version check fails PessimisticLockException - if pessimistic locking fails
3

lock(entity, lockMode)

provider must also perform optimistic version checks when obtaining the database lock. If these checks fail, the OptimisticLockException will be thrown. If the lock mode type is pessimistic ... OptimisticLockException - if the optimistic version check fails PessimisticLockException - if pessimistic locking fails
0

find(entityClass, primaryKey, lockMode, properties)

and the entity has a version attribute, the persistence provider must perform optimistic version checks when obtaining the database lock. If these checks fail, the OptimisticLockException will be thrown ... - if the optimistic version check fails PessimisticLockException - if pessimistic locking fails
0

close()

Method javax.jdo.PersistenceManagerFactory void close() Close this PersistenceManagerFactory. Check for JDOPermission("closePersistenceManagerFactory") and if not authorized, throw SecurityException. If the authorization check succeeds, check to see that all PersistenceManager instances obtained
0

javax.jdo.PersistenceManager

the consistency check. No datastore resources acquired during the execution of this method are held ... were made, then it must mark the instance dirty. No consistency checking is done during makePersistent of detached instances. If consistency checking is required by the application, then flush or checkConsistency
0

javax.jdo.identity.ObjectIdentity

) Check the class and class name and object type. Check the class and class name and object type
0

javax.jdo.identity.IntIdentity

) Check the class and class name and object type. Check the class and class name and object type
0

makePersistent(pc)

if changes were made, then it must mark the instance dirty. No consistency checking is done during makePersistent of detached instances. If consistency checking is required by the application
0

javax.jdo.identity.StringIdentity

if both objects represent the same object id Since: JDO 1.0 boolean equals(Object obj) Check the class and class name and object type. Check the class and class name and object type. If restored from

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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