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Manual
21

Locking in JPA

is being performed on an old version of a database object, for which another update has already been committed ... , are detected earlier. Optimistic Locking ObjectDB maintains a version number for every entity object. The initial version of a new entity object (when it is stored in the database for the first time
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17

Access entity version before commit transaction

Hi, I have a usecase where I need to write the updated entity version to the database before ... containing the new version of the entity So I need to access the version of an updated entity inside ... of the entity ObjectDB seems to update the version field automatically. But if I just set a String
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17

Optimistic locking: prevent version increment on entity collection attribute

relationship) with an optimistic locking strategy supported by a version field. Is it possible to prevent the increment of the version of entity E when entities are added to or removed from the collection ... is defined as a mapped by) then adding and removing entities should not change the version
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17

Is persistence version 2.1 supported?

Using the current version of persistence.xml leads to an error: version="1.0" encoding="UTF ... .sun.com/xml/ns/persistence/persistence_1_0.xsd" version="1.0">--> version="2.1" xmlns="http://xmlns.jcp.org
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17

How to retrieve the ObjectDB version number?

Hi! We need  the ObjectDB version for debug purpose/logging. Our project supports also EclipseLink ... With the Connection object the Database name & version can be retrieved. For ObjectDB, which is the best (JPA) method to get the version number?   Peter       It is not JPA portable, but you should be able
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17

Latest version with license for evaluation

- Can you please let me know the latest version maven entry i got confused as the downloads have version in 2.5.X ... version where we could test it properly. If there are any cost implications on the version kindly let me know. Appreciate your help. Thank you.   Regards, Sandeep The last version on Maven is also 2
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17

Is there an API to get the current version of ObjectDB that's being used?

Is there an API to get the current version of ObjectDB that's being used? This would be very handy to have, because it is somewhat difficult to know what version of the ObjectDB you are currently using since the objectdb.jar filename remains the same for all versions (which is not a bad thing by
Issue
17

Entity Version History

ObjectDB manages automatic entity versioning (for optimistic lock purposes). Every entity object modification is reflected by a new version number. Naturally, previous values in the entity object ... to go back in time and view old versions (and old values) of entity objects. Future versions of ObjectDB
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17

How find out ObjectDB version at runtime (in a web app)

of objectdb-2.6.9_02 in a Glassfish web app. Can see correct version of objectdb-2.6.9_02 in /build ... script) Object clearly indicates the version. Q: How can one interrogate objectdb for the version ... seem to help. If I am correct about this, may I suggest also that you include an echo of the ObjectDB version
Issue
16

A bug in the JDOQL processor in recent versions of ObjectDB

There seems to be a bug in the JDOQL processor in recent versions of ObjectDB. I've uploaded a "laptop" example to demonstrate the problem. The query in Test1.main should return "ThinkMachine MAX SX 20", but it returns incorrect "Media Central Media 555". Earlier versions (at least up to 2.5.4