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Manual
5

ObjectDB Developer's Guide

and understanding of the Java language is essential. Further Reading and Resources This guide focuses mainly on practical issues in order to make the reader proficient in a short time. After reading this guide you may want to extend your knowledge of JPA by reading a book on JPA.  
JDO Doc
5

javax.jdo.spi.PersistenceCapable

'. Since: JDO 1.0 byte CHECK_READ If jdoFieldFlags for a field includes CHECK_READ, then the field has been enhanced to call the jdoStateManager on read if the jdoFlags setting is not READ_OK or READ_WRITE_OK. If jdoFieldFlags for a field includes CHECK_READ, then the field has been enhanced
JDO Doc
4

javax.jdo.Constants

See Also: PersistenceManagerFactory.supportedOptions() String OPTION_NONTRANSACTIONAL_READ "javax.jdo ... element's "name" attribute. Since: JDO 2.1 String PMF_ATTRIBUTE_NONTRANSACTIONAL_READ The name of the persistence manager factory element's "nontransactional-read" attribute. The name of the persistence
JPA Doc
4

lock(entity, lockMode)

. If a pessimistic lock mode type is specified and the entity contains a version attribute ... . If these checks fail, the OptimisticLockException will be thrown. If the lock mode type is pessimistic ... - if the entity does not exist in the database when pessimistic locking is performed
JPA Doc
4

lock(entity, lockMode, properties)

with the specified lock mode type and with specified properties. If a pessimistic lock mode type ... , the OptimisticLockException will be thrown. If the lock mode type is pessimistic and the entity instance is found ... - if the entity does not exist in the database when pessimistic locking is performed
Manual
4

What's next?

This chapter introduced the basic principles of using JPA with ObjectDB. You can dive into the details by reading the other chapters of this manual. If you prefer to get started using ObjectDB right ... your own ObjectDB/JPA programs simply by modifying this sample program. Reading the Next Chapters
Manual
4

Database Replication and Clustering

master-slave replication the master node manages the main (master) database, which supports Read ... , which are limited to READ operations. Any update to the master database is automatically propagated
Result
4

Privacy Policy

for websites to obtain explicit consent from users before leaving behind or reading files such as cookies ... , but will not store, save or collect personal information. You can read Google's privacy policy
JPA Doc
4

find(entityClass, primaryKey, lockMode)

context and the lock mode type is pessimistic and the entity has a version attribute, the persistence ... , the OptimisticLockException will be thrown. If the lock mode type is pessimistic and the entity ... OptimisticLockException - if the optimistic version check fails PessimisticLockException - if pessimistic locking
JPA Doc
4

find(entityClass, primaryKey, lockMode, properties)

there. If the entity is found within the persistence context and the lock mode type is pessimistic ... will be thrown. If the lock mode type is pessimistic and the entity instance is found but cannot be locked ... OptimisticLockException - if the optimistic version check fails PessimisticLockException - if pessimistic locking fails