hi jakob,
sorry my knowledge of the OJB internals is not good enough and i am a
bit short of time for investigating further, sorry (i am just an OJB user)
I guess that this thread should be discussed further in the developer
mailing list...
cheers
danilo
hi danilo,
the distinct stuff works f
Original Message
Subject: persistence broker
Date: Thu, 12 Feb 2004 15:33:15 -0600
From: MORRIS, JAMES (CONTRACTOR) <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Thomas,
Is there any way to release a single instance of a persistence broker
that has been closed? I see the relea
In my object model, I have a type "Template" which has a reference to
another type, "Size".
I want to find all templates which have a specific "Size"
I expected this to work:
crit.addEqualTo("size", template.getSize());
but it didn't, apparently because there is no FieldDescriptor for
G'day,
I've been testing rc5 and am seeing some unexpected behaviour with regard
cyclic references (eg. ClassA contains a collection of ClassB ojbects.
ClassB contains a reference to a ClassA object.
We have been running with rc4 ok but when we run with rc5, same code same
repository, it does n
I am using OJB with HSQL and the following connection descriptor in a
Struts based web application. I very frequently see a message saying
that the connection was closed and destroy object was called. It
appears as if the connection pooling is not working as it should. Am I
missing a setting - o
If I were going to do it I would probably start with XMLBeans and use
the bean property setters for populating values... but haven't done it.
If I had data with a defined xml schema I would probably be looking to
store it in an xml database -- though those are of limited supply at
the moment (i
Gus Heck wrote:
Armin Waibel wrote:
Hi again,
Guillaume Nodet wrote:
Maybe using the Identity object's 'equals' method should solve the
problem.
hmm, Identity should be ok, but it's much more costly than using
object identity in this case.
I don't think the point here is on business objects
Armin Waibel wrote:
Hi again,
Guillaume Nodet wrote:
Maybe using the Identity object's 'equals' method should solve the
problem.
hmm, Identity should be ok, but it's much more costly than using
object identity in this case.
I don't think the point here is on business objects equality. The
p
I'm possibly about to work on something to transform an XSD into a
Torque database schema XML file (and from there, Torque can generate a
respository.xml), and was wondering if anyone has done something like
this already.
I've already generated my Java objects from the XSD, using Castor.
I'm ba
Hi!
I have a new situation in my project. I've an object that is referenced by other
objects.
The relationship is 1->N.
When I delete the Object in 1 side, and the auto-delete if false, then I expect the N
side
object
should be set to null in referencing field. This is not happening.
Is this a
Excellent,
That did the job, thanks for the quick fix.
Joris
- Original Message -
From: "Thomas Dudziak" <[EMAIL PROTECTED]>
To: "OJB Users List" <[EMAIL PROTECTED]>
Sent: Thursday, February 12, 2004 3:36 PM
Subject: Re: XDoclet LONGVARCHAR MySQL wrong column definition
> On Thu, 12 F
Hi Tino,
Tino Schöllhorn wrote:
Hello Armin,
I just found another thread which has the same topic. There you
mentioned that it is possible to define different threads for each
connection-descriptor. So if I declared something like
...
...
then everything would behave as one might
hi danilo,
the distinct stuff works for single and multiple pk :
select count(distinct key1 || key2) this is platform dependent of course.
but the big problem i have now is the handling (translation)of the multi columns
during sql generation. the current implementation assumes that there's onl
Hello Armin,
I just found another thread which has the same topic. There you
mentioned that it is possible to define different threads for each
connection-descriptor. So if I declared something like
...
...
then everything would behave as one might expect? would'nt it?
Tino
Armin W
Hi Tino,
Tino Schöllhorn wrote:
Hi,
I have a very, very strange phenomenom: I have one web-application which
handles several clients. Each client uses its own database, but the
database schema is always the same.
Our web-application handles requests for all clients, so I have to
switch the Pe
Hi,
I have a very, very strange phenomenom: I have one web-application which
handles several clients. Each client uses its own database, but the
database schema is always the same.
Our web-application handles requests for all clients, so I have to
switch the PersistenceBroker as soon as I noti
Hi,
>
> What are the problems? If we delete the same object twice or more (same
> PK, but different instances), nothing should happend.
> When we store different instances with same PK, first time an insert
> will happend, all further instances cause an update.
> Do I overlook a fault?
>
I th
Hi again,
Guillaume Nodet wrote:
Maybe using the Identity object's 'equals' method should solve the problem.
hmm, Identity should be ok, but it's much more costly than using object
identity in this case.
I don't think the point here is on business objects equality. The point is
to know if the
Ahh, so the right thing to do would be to compare the Identity of each
object in the list, and not rely on the equals() method.
Thanks for clarifying.
Larry.
Armin Waibel wrote:
Hi Larry,
Larry V. Streepy, Jr. wrote:
As I think about this thread, I'm beginning to wonder about the
consequences
When you downloaded the OJB you have it. You can run it by using the ANT
At the command prompt
C:\OJB>ant reverse-db
then a GUI Client launches and you will be a happy camper.
Thanks,
Kalyani
-Original Message-
From: Muhammad Aamir [mailto
Hi Larry,
Larry V. Streepy, Jr. wrote:
As I think about this thread, I'm beginning to wonder about the
consequences of the changes being proposed. The essence of the problem
revolves around the equality of business objects. The problem was that
the equals() method returns true, even when the
Maybe using the Identity object's 'equals' method should solve the problem.
I don't think the point here is on business objects equality. The point is
to know if the object ojb is storing or deleting has already been processed
or not for a given object graph. This can only be the case if the prima
Hi Andrew,
Clute, Andrew wrote:
Armin,
First off, yes, it does work. Thanks! Feel free to commit to CVS.
cool, so I will do a check in
Second, I want to apologize. I get frustrated with people at my work
that don't attempt to solve their own problems, and it seems that I did
the same thing to
I had this exact same problem which I fixed with an identical piece of
code.
Huge apologies for not posting it but I'm pretty new to ojb and was
working with release rather than CVS code...
I've pulled the new file from cvs and can confirm that it works fine
with jrun / MS SQL using Macromedia's
As I think about this thread, I'm beginning to wonder about the
consequences of the changes being proposed. The essence of the problem
revolves around the equality of business objects. The problem was that
the equals() method returns true, even when they have different primary
keys. This mea
On Thu, 12 Feb 2004, Clute, Andrew wrote:
> I see in the documentation, and the new build of my repository file from
> the 1.2 Release of the OJB Xdoclet module, that if you do not specify a
> length for your varchar's, it defaults to a value of 24.
>
> Why was this change necessary? I see that i
Hi,
Guillaume Nodet wrote:
Armin,
I dit not see any identity based List. There are Maps (in the
jarakarta-commons-collections for exemple) and a Set could be easily build
on top of this map.
Maybe just inlining the contains function directly in the doDelete function,
walking through the array sho
Armin,
First off, yes, it does work. Thanks! Feel free to commit to CVS.
Second, I want to apologize. I get frustrated with people at my work
that don't attempt to solve their own problems, and it seems that I did
the same thing to you. I was on my way out the door from work yesterday
when this c
I see in the documentation, and the new build of my repository file from
the 1.2 Release of the OJB Xdoclet module, that if you do not specify a
length for your varchar's, it defaults to a value of 24.
Why was this change necessary? I see that it says because of MySQL that
it now defaults to that,
Dear Armin,
The problem is solved, and the reason was very strange. I was editing
the jdbc-type with capital letters as seen below. Then I tried to wirte
it in small letters as "integer", and it worked. I guess it is something
to do with the capital "I" letter. In Turkish the capital of "i" is
On Thu, 12 Feb 2004, Bergland wrote:
> Hi all,
>
> I use the OJB XDoclet module that comes from the current CVS (few days ago) to
> generate my OJB configuration files and SQL (I like it a lot).
>
> I have this attribute of type String that I want to store in a MySQL column that can
> handle
Hi,
Hinnerk Feldwisch wrote:
Hello altogether,
I developed a jsp/struts/ojb- project which runs fine on my private server;
but after approximately two days the database connection fails on the real
server where the website shall be accessible.
At the end I will post the error- message.
Seems tha
Hi all,
I use the OJB XDoclet module that comes from the current CVS (few days ago) to
generate my OJB configuration files and SQL (I like it a lot).
I have this attribute of type String that I want to store in a MySQL column that can
handle large Strings (for example MEDIUMTEXT). I mapped the
One way to setup your connection (if your running within a webapp
context) is with a JNDI datasource. This can be setup using whatever
pooled connections etc are available for your app server and just let
ojb receive connections from this system.
For example, I'm running Macromedia JRun with MS S
Hello altogether,
I developed a jsp/struts/ojb- project which runs fine on my private server;
but after approximately two days the database connection fails on the real
server where the website shall be accessible.
At the end I will post the error- message.
For me the problem seams to be that the
Hi Muhammad,
Muhammad Aamir wrote:
I understand there is a tool to generate OJB mappings (repository.xml),
named reverse-db ?
From where can I download it ?
It is included in OJB distro and can be started with
bin\build.bat reverse-db
or
bin/build.sh reverse-db
There are several tools support OJB
Hi Andrade,
i cant tell u what's the O/R Mapping tool that best
feets your needs, but i can tell u why i've choose OJB
for my application:
- Opensource
- Good comunity support
- Support for the 3 flavors of Db i'm using (Mysql,
Oracle, Hsqldb)
- Support for standards (ODMG, JDO)
- I'm not a JDO f
Thank's Armin
I have been afraid for some long minutes but now it is OK. I use Pb on
my side and it works OK.
I will ot move to JDO before JDO get stabilized on sun and ojb sides. So
it's all good!
Best regards
Andre Legendre
Armin Waibel wrote:
Hi Andre,
A Leg wrote:
Hello
Does that mean
I understand there is a tool to generate OJB mappings (repository.xml),
named reverse-db ?
>From where can I download it ?
Muhammad Aamir
Senior Software Engineer
Information Resource Dept.
Karachi International Container Terminal
Tel: (9221) 2316401-20
Fax: (9221) 2313816
E-mail: [EMAIL PRO
Hi Andre,
A Leg wrote:
Hello
Does that mean that it is no way to get ojb work with Jboss ?
No, only the current JDO/Jdori based JDO-api implementation was not
supported.
PB-api and ODMG-api work since 0.9x
Does that mean that it is no way to get ojb with any application server ?
No, don't pani
hi jakob,
hi danilo,
i propose to do the following :
1.) select count(*) for QueryByCriteria not using distinct
ok!
2.) select count (distinct key1 || key2) for DISTINCT QueryByCriteria
ok! if you can really make it db independant, you must probably add
some sort 'generateConcat' method in
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