About Object Database

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JPA Doc
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javax.persistence.criteria.CriteriaBuilder

CompoundSelection<Object[]> array( Selection... selections) Create an array-valued selection item. Create ... Since: JPA 2.0 CriteriaQuery<Object> createQuery() Create a CriteriaQuery object. Create a CriteriaQuery object. Returns: criteria query object Since: JPA 2.0 CriteriaQuery createQuery(Class
JDO Doc
5

javax.jdo.PersistenceManager

. This exception contains a nested JDOOptimisticVerificationException for each object that failed ... 1.0 void deletePersistent(Object pc) Delete the persistent instance from the data store. Delete ... . The data store object will be removed at commit. Unlike makePersistent, which makes the closure
Forum
5

Embedded Object inside another embedded object - is that possible?

I have an entity with an embedded object - it works fine. Now I am trying to add an embedded object inside the first level embedded object - but it does not seem to store it and does not throw either... I was wondering if it was a limitation or not? has anyone tried this before? Thanks
Manual
4

Online Backup

An ObjectDB database can be backed up by simply copying or archiving the database file while the database is offline (i.e. when it is not open in an ObjectDB server and not in use by any application), since an ObjectDB database is stored as an ordinary file in the file system.  ObjectDB 2.1
Manual
4

Server User List

definitions but the master user itself cannot be used to connect to the database. The element ... . The required permissions attribute specifies which database file permissions are granted. The comma separated string value may contain the following permissions: access - permission to open a database
JPA Doc
4

javax.persistence.EntityNotFoundException

is called and the object no longer exists in the database. Thrown when EntityManager.lock is used with pessimistic locking is used and the entity no longer exists in the database. The current transaction ... javax.persistence Exception EntityNotFoundException java.lang.Object java.lang.Throwable
Manual
4

Server Configuration

to the database (as explained in the JPA Overview section in chapter 3). The max attribute specifies ... , path, which specifies the location of ObjectDB databases that the server manages. The $objectdb ... of an ObjectDB server is similar to the document root directory of a web server. Every database file
JPA Doc
4

javax.persistence.CacheStoreMode

javax.persistence Enum CacheStoreMode java.lang.Object java.lang.Enumdatabase and when data is committed into the database ... /update entity data into cache when read from database and when committed into database. Insert
Issue
4

Can't open replicated database

I have a database running in server mode on port 6136 on server1 and server2. Each server has a replicated copy of the other servers database. I try to open the replicated on one database for a query ... empty state of the database. I inserted a few rows into the databases and still got the error
Forum
4

Drop the entire database, Change the schema

I am trying to port and example app to ObjectDb. As part of the tests I drop the database ... to do this with ObjectDb, or is the only way to delete the database file everytime? Thanks You can delete the database ... have two PUs configured which are the same apart from this property, I use one to 'drop' the database