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Selective merge/cascade of detatched entity

memory at all times, in a Detached state (I realise the implications here, there are good reasons ... to the database, so a commit will never fail. Any time an object is modified it is checked ... takes a significant amount of time. What I would Ideally like to happen

evictAll() behavior

the current PersistenceManager - it is useful only to see changes that have been committed by other persistence managers. To undo changes of the current PersistenceManager you will have to invoke pm ... the current PersistenceManager" Cool, that is exactly the effect I am looking for. What is the difference

Query filter comparing Dates

you for the report and the test case. Working with dates could be very tricky due to time zones. In ... "));     // GregorianCalendar calendar = new GregorianCalendar(); All date and time values are stored in the database as time (e.g. in milliseconds) since 1.1.1970 UTC. For TemporalType.DATE the hours

virtual servers and one file

of this? Our only current workaround is to swap out older Entities entirely, but of course ... . ObjectDB 2.x does use RandomAccessFile. ObjectDB 3.0, which is currently under development switched ... the response time. I don't know the data structure of the objectdb file to force access to distant file

Pre-detach loading: retrieval by navigation not working in if statement

through with NetBeans debugger did not help me, as every time you inspect a variable it triggers loading ... . It could still be an optimization that is used by the JVM interpreter as well. Have you tried build time ... Support > Have you tried build time enhancement instead of using -javaagent? I don't usually, because I


, and QueryTimeoutException will cause the current transaction, if one is active, to be marked for rollback ... the execution stack trace. This method records within this Throwable object information about the current state of the stack frames for the current thread. Returns: a reference to this Throwable instance


with pessimistic locking is used and the entity no longer exists in the database. The current transaction ... within this Throwable object information about the current state of the stack frames for the current thread. Returns

Freeze during save

with cascading a persist operation. But more information is needed in order to find out the cause. Currently ... connection timeout 74" - Thread t@74 java.lang.Thread.State: TIMED_WAITING at java.lang ... synchronizers: - None "Timer-1" - Thread t@27 java.lang.Thread.State: TIMED_WAITING

java 8 LocalDateTime is not working in query

My entity class has a field of type java.time.LocalDateTime. I'm able to persist entities and I'm ... : SELECT t FROM Test t Joe Joe Khan New Java 8 date/time types are not supported by JPA yet. support ... , which is at least a workaround. But ObjectDB currently doesn't support @Convert ( http://www.objectdb.com


Method javax.jdo.datastore.Sequence long currentValue() Returns the current sequence value as a long. If the current sequence value is not available or is not numeric, throw JDODataStoreException. Returns: the current value Since: JDO 2.0

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