JPOX

Hello all, I have two tables, "users" and "game_data". Both have the same primary key id. Code: public class User { @Id @Column(name="id") @GeneratedValue(strategy=GenerationType.IDENTITY) int id; @OneToOne(cascade=CascadeType.ALL, mappedBy="user") GameData gameData; .... public class GameData { @Id ...

I have just upgraded jpox lib to 1.2.1 and some of our business tests failed (tests were ok with jpox 1.2). When we try to remove an element from a set in optimitic mode the element is removed from the collection but not from the db :-( It seems ... [More] that the problem is linked to [b]CORE-3518[/b]. in SCO Set.java remove method : [code]... boolean delegateSuccess = ... [Less]

Version 1.2.1 of JPOX Core/RDBMS/DB4O/Java5 plugins are now released. These are bug fix releases. They fix two issues with memory leaks in 1.2.0, an issue with value generation, and a significant performance improvement in the attach of an object ... [More] graph with multiple references to the same object, and add support for DB4O Native queries, and also fix a bug in DB4O application identity support ... [Less]

Does JPOX support aggregation ? Lukasz

Hi experts [:)] I've got question. I use new table inheritance strategie. My schema looks like that : Product {product_id PK, name, } Book { book_id (FK from produkt) date; } How to point in meta-data file in class Book that i want to map product_id from Product to book_id in Book ?

Is there anyway to programatcly retrieve the schema information of a specific table? (constraints, column names, column type, size) By the way. does jpox have support for trigger definition? If yes, how can this be implemented? Thanks on advance, Paulo

Using JDK 1.4, JPOX 1.2 The org.jpox.store.rdbms.SQLController class contains a JDK 1.5 specific call in the processConnectionStatement() method. [code] if(JPOXLogger.DATASTORE.isDebugEnabled()) JPOXLogger.DATASTORE.debug(LOCALISER.msg("045001", "" (System.currentTimeMillis() - startTime), Arrays.toString(ind)));[/code]

i can use log4j but i think that it is not a good practice using glassfish. The best practice is to use the integrated glassfish log, that means java.util.loggin I think it is a bug in glassfish. I will report it in glassfish database. But ... [More] for now i have modified locally the source code of jpox my provisional solution is: copy the source of class org.jpox.util.JDK14Logger ... [Less]

Hi , I'm new in JPOX . I've got some problem when i want to auto-increment id in database. On this site http://www.jpox.org/docs/1_2/identity_generation.html#increment i read that i can use increment but it doesn't work. My class looks : ... [More] package test; public class Uzytkownik { private long id ; private String email=null; public Uzytkownik() { } public long ... [Less]

I have a bidrectional one to many of A ---* B implemented as a HashSet. class A { HashSet bCollection; } class B { A a; } Now B implements the Comparable interface because these objects are occassionally temporarily stored in a ... [More] sorted collection belonging to a non persistent class (although problem also occurs if I remove this interface!) Whenever I add a new object to ... [Less]