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Programatic configuration or configuration file loaded from classpath or file

Hi! I found information about the configuration of ObjectDB: https://www.objectdb.com/java/jpa/setting. However, I have a dynamic environment and don't want to place the configuration file in the filesystem. I would like to enable the level2 cache for all entities: https://www.objectdb.com/java/jpa

Specify location of persistence.xml

and generate persistence units dynamically for every tested combination of a DBMS and a JPA implementation. support Support

Object as parameter results in exception

to be small, and irrelevant for criteria queries which are dynamic (i.e. the query structure changes

Help with 'not like/lower' query

Hi all, Honestly, I'm fairly new with JPA2 Criteria queries - but as far as code effort goes, it has saved me a bit of pain. I'm writing a dynamic query builder (only 1 level deep for basic entities) - but even though I get most queries to work, I am getting the following error. This is using

locks on pure query activities

analyzing the dynamic behavior we can see from the thread dump that a lot of our threads that are just doing simple queries (just selects, no update or delete ...) show locks like these (question is: why there are locks and how could we get rid of that): log1: "qtp1523553211-271" #271 prio=5

Replicated cluster recovery

is automatic - between a main url and backup urls, which may also reference databases on different nodes

JPA 2.2 LocalDate still not working

for this? This is indeed unusual in Java, but may be more relevant to JVM dynamic type languages. > If I understand

Schema-Update: Deactivation of automatic entity class removing and introduction of a new class remove in the schema config

its schema is already stored in the database) then ObjectDB builds the class dynamically according

Schema-Update: Rename superclass and remove one subclass

Hello, we renamed a superclass and removed one of the subclass. If we then try to open the Database (with ObjectDB-Explorer) we get a "Failed to generate dynamic type ..." Small Example: Generate Database public static void main(String[] args) { EntityManagerFactory emf = Persistence

ObjectDB 2.4.0

NO DETACH mode. Fixed a bug in online backup of databases larger than 2GB. Fixed a bug in running queries

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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