Kodo was a (closed source, commercial) JDO implementation, implementing JDO 1.0. It was developed by Solarmetric, and then sold to BEA, and sold again to Oracle who promptly killed the project. OpenJPA was developed using some of the original Kodo code.
Questions tagged [kodo]
9 questions
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Can we convert resource adapter?
We are working on a migration project. The orignal application would use kodo jdo rar as the connection adapter to have persistent while connecting to db. The rar file has to seperatly deployed separately from the application ear. Also the jars used…
Ameya
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Kodo on JBoss 7
We are looking to run replace Oracle Kodo 4 persistence (JPA) framework as it does not build with JDK 1.8 and JBoss EAP 7 throwing error in Maven build.
Is there any official document supporting Kodo has been deprecated and would not work with JBoss…
Ameya
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Migration of datastore-identity strategy in JDO?
The current configuration of JDO metadata we have all the clases like this:
Gatusko
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How to wait for a Transaction ends in JDO?
I encounter a issue that in the worst case only happens. Ex. I have a Job that runs every minute
UpdateJobForAnObjectA:
PersistenceManager pm = Context.getPersistenceManager();
Transaction tx = pm.currentTransaction();
tx.begin();
…
Gatusko
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Is there any method like orphanRemoval of JPA in JDO with Kodo?
Right now I'm using Kodo 4.1 with JDO and I see a lot of orphans in a lot of tables. I worked before with JPA and I solved a similar issue of orphans with orphanRemoval, but I can't fin a method like that in JDO. I can see the warn in my log, but…
Gatusko
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How to set Transaction Isolation level for a single kodo query?
We have been facing deadlocks in some queries(select queries causing deadlocked update queries). By default kodo READS_COMMITTED,which is okay for update queries. I know that we can set this property at application level…
Shweta
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KODO: how set up fetch plan for bidirectional relationships?
Running KODO 4.2 and having an issue inefficient queries being generated by KODO. This happens when fetching an object that contains a collection where that collection has a bidrectional relationship back to the first object.
Class Classroom
{
…
BestPractices
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How is KODO JDO distributed cache performance?
Does anyone have experience with KODO JDO's distributed cache mechanism? I would like to know:
1) what is the latency like between distributed cache updates (so if two users are hitting two separate caches i.e. on two different JVMs and are using…
shipperstamp
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What does setting SubclassFetchMode (Kodo OpenJPA) actually do?
What does setting SubClassFetchMode e.g. to EAGER_PARALLEL actually do?
Why would one want a subclass to have a different FetchMode?
The implementation spec for KODO and OpenJPA is notoriously bad and I can't figure it out.
BestPractices
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