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SSL Configuration

Explains how to set Secure Socket Layer (SSL) in the ObjectDB fast Java object database for JPA/JDO.... <ssl> element: <ssl enabled = "false" > <server-keystore path = ... of the ssl element (whose value is "true" or "false" ) specifies if SSL is used. As shown above, SSL is disabled by ...


pesimistic Lock semantic

Hi   I have tested pesimistic lock and the result was for me unexpected. In the first transaction i modified one object and in the second transaction i wanted to the same and  I got an exceptopn that lock could not be granted, quite nice but in that moment I wanted commit the first transaction and I also got lock exception. this the test:   public void testPesimisticLock() {   PersistenceManager pm1 = null;   PersistenceManager pm2 = null; ... ( ) . setOptimistic ( false ) ; pm1. currentTransaction ( ) . begin ... ( ) . setOptimistic ( false ) ; pm2. currentTransaction ( ) . begin ...


Get list of database files

Hi, we would like to know if there is any API we can use to get a list of all database files on an ObjectDB server. The ObjectDB explorer has such a feature (File->Open C/S Connection->Browse...). Thanks for help! ... host, port, username, password, false ) ; This will return the root directory, which then ... host, port, username, password, path, false ) ;   ObjectDB Support ...


Exception when dataset bigger than treshold

I was working on reporting service for my application and found a problem with datasets bigger than treshold set in objectdb.conf.   ... "$objectdb/log/" max = "8mb" stdout = "false" stderr = "false" / > <log - archive path = ...


Access entity version before commit transaction

Hi, I have a usecase where I need to write the updated entity id to the database before commiting the transaction: 1. Change entity field e.g. from a to b 2. Create a change entry in database containing the new version of the entity ... flight = transaction. getEntity ( id, false ) ; flight. setTitle ( "New" ) ... flight = transaction. getEntity ( id, false ) ; flight. addTicket ( "1" ) ...



Utility interface between the application and the persistence provider(s).(Interface of JPA)



The CriteriaQuery interface defines functionality that is specific to top-level queries.(Interface of JPA)



This interface is implemented by listeners to be notified of clear events.(Interface of JDO)


$temp property not evaluated properly when used in log path

I have the following lines in my objectdb.conf file: <log path="$temp/ObjectDB/log/" max="8mb" stdout="false" stderr="false" /> <log-archive path="$temp/ObjectDB/log/archive/" retain="90" /> I don't believe that the $temp property is being evaluated properly here as it creates a new directory "$temp" in the same directory as my execution script. Shouldn't this be logging to the system temp directory? ... = "$temp/ObjectDB/log/" max = "8mb" stdout = "false" stderr = "false" /> <log-archive path = "$temp/ObjectDB/log/archive/" ...


ObjectDB enhancement fails on "is" form for @Transient boolean isLoaded(), ok for "getter" form @Transient boolean getLoaded()

Older objectdb-2.4.0_06, Java6. For the following (note the use of "is" form) in a class Element I encounter ObjectDB enhancement errors: ... errors: private boolean loaded = false ;   @ Transient @ Override ... form: private boolean loaded = false ;   @ Transient @ Override ...