Cayenne > user > October 2010

Hello, I would like to discuss one design issue. I am inserting a large number of objects (500.000) and for each of them I must set 3 relationships. These target relationship tables consists of 6000, ...

Hello all, How can I perform a query in cayenne such as this: SELECT A, B, C FROM ( (SELECT SUM( table1.A) A, SUM( table1.B) B, table2.C C FROM Table1 INNER JOIN table2 ON table1.fk = table2.id WHERE ...

Hey all, Running through the tutorials, I know what that error means, but I don't think I've done anything wrong. Can someone take a quick look at this xml/object set and tell me what I did wrong? ...

Hello, Do you have the plan to switch common-logging to slf4j? Slf4j seems rather simple, and general. Here are the introduciton: The Simple Logging Facade for Java or (SLF4J) serves as a simple ...

Hello all, Yesterday I left an application running with cayenne on a tomcat server (left the browser opened), using JNDI, and when I came today and tried to use it again I got the error in ...

Hello, I am making an evaluation of Cayenne and other frameworks. One of my test is the following : begin a set of operations make a select * on one table insert new element in that table make ...

I am using 3.0 (final) and am having some issues using context.createFromDataRow(...) ObjectResolver is throwing an NPE on what looks like updating snapshots. Code: SQLTemplate template = .... ...

Hi, while cayenne itself is available at repo1.maven.org, some of its dependencies are not. When following the instructions here: http://cayenne.apache.org/doc30/cayenne-and-maven.html I get errors ...

I'm developing a web app for use on a corporate network. I'm using JGroups already for some messaging between nodes in a cluster. I would like to use Cayenne's JGroups support for cache sync as well ...

Hello all, First, sorry about so many doubts in so little time, but I’m trying to decide how to do some things on my application concerning cayenne. So adding to my previous doubts, here goes some ...

Hello, one of my relationships is not set and I can not find an explanation. I fetch two objects from shared data context and create local copies. MapObjectType mot = ...

Hello, I'm new to Cayenne, and coming form EOF I'm find everything very easy to understand. Everything is so similar that I'm wondering that what I consider to be flaws in EOF also happen in ...

Hello, in another thred Andrus suggested to have a look at current support for MySQL batching. According to: - http://bbish.net/htmls/mysql/news.html (Changes in MySQL Connector/J 5.1.3) - ...

Hello, I have written a configuration for the class generator of Cayenne within my pom.xml: <plugin <groupId org.apache.cayenne.plugins</groupId <artifactId maven-cayenne-plugin</artifactId ...

Hi, I could not generate classes related to map itself (_*Map.java). They are generated by modeler but not with this maven plugin. All other classes defined in the map are generated just fine. I was ...

Hello, I'm not familiar with Cayenne, so I have some question to come to a decision about the usage of Cayenne in the current project. Is it possible to use multiple databases with Cayenne? We have ...

So I've been sending out the same question all over the internets, hopefully those of you that have seen my question are not entirely sick of me by now. Here's my conundrum: I'd like to have my ...

Hi, maybe that's a stupid question, but is there a way to make a query aware of newly inserted objects? I have a DataContext. I insert some object into it (a user), and then, without committing the ...

Hey all, thank you for your help so far! The latest thing I have been looking at is how to dynamically update the mapping files in cayenne. I see some methods available but I wanted to know what best ...

By vote of the Apache Cayenne PMC, Xenia Khailenka is now a committer to this project. Xenia graduated from the Belarusian State University, faculty of Mechanics and Mathematics, specialising in ...

Hi, the 3.0.1 win modeler refuses to migrate some (not all!) changes made in mysql database. If I rename column name it works just fine. I changed the type from BIGINT to DECIMAL(17,11) and the ...

Hello, after upgrading from 3.0 to 3.0.1 I am getting java.lang.ClassCastException: java.lang.Byte cannot be cast to java.lang.Integer @SuppressWarnings("unchecked") private Integer ...

http://www.infoq.com/news/2010/09/cayenne-3.0 This actually discusses some important things for us - how Cayenne is different and what's in the future. Andrus