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7

Issue with alias

Hi, This query works and correctly casts and selects my entity into the tuplet: SELECT $1, ((com.lexware.vereinsverwaltung.abrechnung.api.model.mitglied.MitgliedDebitorenKontoFragment)$1.qubletFRAGMENTMAP.get('com.lexware.vereinsverwaltung.abrechnung.api.model.mitglied
7

How to use regular expressions in Criteria Builder

regular expressions in queries, so currently you cannot use regular expressions in JPA criteria API ... an extension, but that extension is limited to string-based JPQL queries, as the criterial API is not
7

How to define Default Entity Listeners without persistence.xml and orm.xml

). support Support Is there a way using em.getDelegate() and then using objectdb api ? I would like ... explained in chapter 3 of the manual. You may also register listener using the JDO API
7

Dirty checking

Hi, wondering if anyone knows the best way to detect which objects have been changed in the database. ie: which objects, and which collections of objects, have been dirtied. in the jdo api there is: void postDirty(InstanceLifecycleEvent event) http://www.objectdb.com/api/java/jdo/listener
7

Problem Using Reflection

I'm currently working on developing my own API to use with ObjectDB and I'm running into the following problem. Using the API I can insert data into an empty database without any issues; however, whenever I try to add new data to the database for a class that already has data stored, I
7

TYPE Expression

Hi there! Trying to add a simple type expression with the criteria api like in your sample: cb.equal(e.type(), cb.literal(Country.class)); results in the error: Caused by: com.objectdb.o ... . Please try it. support Support As said, it still happens with criteria api and it is easy to replicate
7

PostUpdate on array changes

tracking only available with the JDO api ? dmoshal David Moshal > So, the question ... only available with the JDO api ? Yes. Earlier you mentioned lists. Arrays work differently from lists
7

objectdb explorer in ver 2.2 and 1.0

Hi In first step I have evaluated JPA API now I'm testing JDO API and I'have spotted that object explorer has lower functionality than in ver 2.2 eg garbarage collector or xml import/export functions are missing, could You explain why? br Tomasz Tomasz Tomasz Wozniak You are right - some important
7

Async query ObjectDb

1. Is it possible to run async objectDb queries for long time operations and stop them if it necessary? 2. Is it possible to stop sync ObjectDb query from another thread for long time operation for example getResultList()? Link to Java API: https://docs.oracle.com/javase/7/docs/api/java/sql
1

Once served to JSF page via @EJB query bean, many list fields are null (but same query ok after fresh persist in @PostConstruct)

.com/api/java/jpa/PersistenceUtil Does not seem to provide a method for testing this. webel Dr Darren ... that JPA doesn't provide an API for checking detachment but JDO does:     log_info(javax.jdo

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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