Fast Object Database for Java - with JPA/JDO support

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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

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 ... the version. Otherwise the version will be updated, and currently you cannot disable this update

Is persistence version 2.1 supported?

Using the current version of persistence.xml leads to an error: version="1.0" encoding="UTF ..." version="1.0">--> version="2.1" xmlns="

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 pezifromvienna Peter Sauer It is not JPA portable

Database is erased after deploying a new web application version

within Tomcat and uses ObjectDB. Each time I upload a new version of the web application (WAR file ... version, I get an exception saying this file could not be opened (which createEntityManager throws). It happens even when I first stop the current web application version and then deploy the new

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

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 Sandeep Sandeep Dhamale The last version

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

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

Error 990... and then new version?

! I hadn't noticed this because the maven instructions still show the old version, and the new version does not seem to be in that repository... or at least I can't get my compiler to see the new ... -sounding database. :) joshua Joshua Chambers Ah, but the Error 990 is back! But with an updated version

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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