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Unable to persist TreeMap

javax.persistence.LockModeType; import javax.persistence.Persistence; //---------------- @Entity

How to do multithreading with embedded ObjectDB

, LockModeType.PESSIMISTIC_WRITE);         point.setX(point.getX() + 1); support Support

Threaded Test - Failed to commit transaction: Unexpected internal exception

");                 Point p = (Point)q.setMaxResults(1).setLockMode(                     LockModeType.PESSIMISTIC_WRITE

ObjectDB 2.8.5

LockModeType.NONE. Fixed a bug in recovery from an exception during inverse (mapped-by) retrieval. Improved

Pessimistic lock timeout - blocks indefinitely

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

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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