YES! Worked like a charm. Thank you very much!
-Original Message-
From: Thomas Mahler [mailto:[EMAIL PROTECTED]
Sent: Friday, February 21, 2003 4:39 PM
To: OJB Users List
Subject: Re: nullable integer fields
Hi David,
You'll have to use the Int2IntegerFieldConversion on your Integer
Hi All,
I'm having trouble getting the tutorials running.
I'm using my locally installed PostgreSQL v7.3 RDBMS and have changed
the appropriate parameters:
in build.properties
profile=postgresql
in profile/postgresql.profile
# D A T A B A S E S
Hi David,
You'll have to use the Int2IntegerFieldConversion on your Integer
attribute. This will convert 0 into null on saving!
Details on FieldConversions in jdbc-types.html
cheers,
Thomas
David Mitchell wrote:
I have a table with some foreign key columns defined as integer, nullable.
Unfo
I always use Integer for everything that relates to int in my code. It
works much much better and I don't have these problems. Also getting
the intValue() of an Integer is very easy.
On Friday, Feb 21, 2003, at 17:28 US/Eastern, David Mitchell wrote:
I have a table with some foreign key colu
I have a table with some foreign key columns defined as integer, nullable.
Unfortunately, since OJB has mapped my integer columns to "int" values in
Java, I have no way to set a null value on the field! In other words, I
create a new instance of an object, I dont set a value for the null fiel
I, too, experienced the same problem that Jemmee Yung
and Ferran Parra did. Jemmee's solution, changing the
jcd-alias in repository.xml to read "repository.xml"
does indeed work. Thank you, Jemmee, for pushing my
efforts forward.
But personally I'm not satisfied with this. I'd like
to know if t
Hi Serge,
Boulay, Serge wrote:
> Could someone please let me know the default behaviour of odmg .
>
> If and I have an Order object with a collection of Order items and I
> lock the order object
>
> tx.lock(Order, Transaction.WRITE);
>
>
> does odmg api write the Order Items objects collection to
Hi Steve,
Oops, you found a nasty beast!
I just applied your patch to CVS,
Thanks,
Thomas
sclark wrote:
I have found a minor bug in Identity.equals(), which can result in a NPE. The
line inside the pk loop should read:
result = (pkValues[i] == null) ? (otherPkValues[i] == null) :
pkValues[
Hi Jacob,
This seems to me to be an optimal solution. If I have the originator object,
dynamic parameters are not an issue.
--Bill.
- Original Message -
From: "Jakob Braeuchi" <[EMAIL PROTECTED]>
To: "OJB Users List" <[EMAIL PROTECTED]>
Sent: Friday, February 21, 2003 11:49 AM
Subject:
I have an object that has two foreign keys and is held in a
List of one of its parent tables. Here is the example:
(obviously this is pseudo code)
class Invoice {
Contact shipper;
Contact buyer;
List shipperNotes; // List of Note objects
List buyerNotes;
Jakob,
You are correct; all of the logic is in the Builder class. As you say,
there are lots of possibilities for these constraints. I think that the
best way to express them is to use Java, rather than trying to invent some
new syntax that fits inside of XML. And I bet that a fairly small set
hi bill,
imo steve's proposal provides a lot more flexibility than mine. the
query restrictor will only modify the foreignKeyQuery it will not build
the whole query. so it needs the originator object and the
foreignKeyQuery based on the collection-descriptor, and what it does
with this quer
hi steve,
what i miss in this approach is the operation (=, <>, like, between etc.) .
as far as i understand your proposal, the operation and the whole logic
is dependent of the query-builder.
this makes it quite easy for us to implement it in ojb, but it moves
the burden of implementation to
Could someone please let me know the default behaviour of odmg .
If and I have an Order object with a collection of Order items
and I lock the order object
tx.lock(Order, Transaction.WRITE);
does odmg api write the Order Items objects collection to the database or do you have
to explict l
Hi Steve,
> It looks like you didn't send this to the list, only to me.
Sorry, email client woes :((
> I wanted to clarify a couple of things, especially where you thought that
my
> approach would require extensive metadata mods. My intention is that the
only
> addition would be the element, w
I have found a minor bug in Identity.equals(), which can result in a NPE. The
line inside the pk loop should read:
result = (pkValues[i] == null) ? (otherPkValues[i] == null) :
pkValues[i].equals(otherPkValues[i]);
I'm not a committer, so I maybe somebody else can patch CVS.
-steve
Steve
Hi!
Can I use a cache for "lazy loading" in a 1:1 relation?
any example??
TIA!
--
Andres Ferrando <[EMAIL PROTECTED]>
-
To unsubscribe, e-mail: [EMAIL PROTECTED]
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Bill,
It looks like you didn't send this to the list, only to me.
I wanted to clarify a couple of things, especially where you thought that my
approach would require extensive metadata mods. My intention is that the only
addition would be the element, which has a 'class' attribute and then
t
Hi,
I would agree with Steve's approach. I think it would require fairly
extensive configuration addition to metadata to support all
possible types of restrictions, as they can reference hard coded
values, as well as references to child and/or parent fields
(with appended hard coded tokens lik
I have a reference-descriptor in one of my mappings . I have set the reference
descriptior auto-update = false . When ever I trying inserting an object
it crashes cause it is still trying to insert the ref-descriptor . Any ideas why would
help . I am using odmg api.
Thanks again
Serge
hi all,
what am i doing wrong?
i did all the things in the tutorials, but i don't get it work.
-properties-file is in WEB-INF\classes
-classpath in eclipse set to this location
thanx joerg
equip:
JDK 1.4.1
OJB 0.9.9
eclipse 2.0.1
mysql (can access/populate it by build junit)
Lucy,
For us, reverting back Identity from 1.13 rev to 1.12 from CVS helped. But this was
only with field conversion issues with a primary key. Not sure this is your case. Plus
reverting may reintroduce an issue of double converting
More info is in this post:
http://archives.apache.org/eye
Here's an idea on the collection restriction discussion. How about something
like this:
/**
* Interface implemented by classes which are used to create a custom
* query for the contents of a collection property, when the usual
* fk/pk approach is insufficient.
*/
interface org.apache.ojb.bro
Hi all,
why this query fails with:
java.lang.NullPointerException
at org.apache.ojb.odmg.oql.OQLQueryImpl.create(Unknown Source)
the query is:
select object from com.project.user.UserVO where login = admin and password =
21232f297a57a5a743894ae4a801fc3
any idea?? thanks advanced!!
Ferran Parra
Luckily the system I'm on doesn't have much concurrent writing of the
same objects going on from different app servers/users - it's pretty
much a single user logs in and does things to their profile or performs
read-operations on other objects. I would like to cover the less than
10% areas where t
hi bill,
what kind of restrictions woukd you need in the collection-descriptor ?
do we need the full blown criteria there ?
have you already any ideas about the definition of these restrictions ?
i'm asking these questions because i do not want to parse restrictions
in the collection-descriptor.
hi mark,
yes, please send me the testcase. if it's based on our testclasses it
would be perfect.
jakob
Mark Rowell wrote:
Hi Jakob
Some news on this problem -- it turns out it is a case sensitivity issue.
E.g. If I query on the column name in the report
query (e.g. upper case 'ID') it does no
Armin:
SequenceManagerHighLowImpl is generating the primary key which is stored in
Oracle 9i as NUMBER. Data conversion is required for two other regular
fields. Where exactly is the bug? When will it be fixed? Also is it a common
practice to boundle ojb.jar inside myejb.jar file?
Thank you very
Do either of the following:
1)
CREATE OR REPLACE TRIGGER label_id_bri
BEFORE INSERT ON labels
FOR EACH ROW
BEGIN
IF :new.label_id IS NULL
THEN
SELECT label_id_seq.nextval
INTO :new.label_id
FROM DUAL;
END IF;
END;
-or-
2)
CREATE OR REPLACE TRIGGER label_id_b
Hi Lucy,
there is bug in field conversion when the field
is a primay key. Then it seems that the conversion
was not done in some cases.
regards,
Armin
- Original Message -
From: "Lucy Zhao" <[EMAIL PROTECTED]>
To: "'OJB Users List'" <[EMAIL PROTECTED]>
Sent: Friday, February 21, 2003 4:4
The sequence and trigger are defined as follows:
CREATE SEQUENCE label_id_seq
INCREMENT BY 1
START WITH 1
MINVALUE 1
MAXVALUE 999
NOCYCLE
NOORDER
NOCACHE
/
CREATE OR REPLACE TRIGGER label_id_bri
BEFORE
INSERT
ON labels
REFERENCING NEW AS NEW OLD AS OLD
FO
for me (using 0.9.8)
they are going into /target/test/test-broker.txt
-odmg.txt
-soda.txt
-Original Message-
From: Lance Eason [mailto:[EMAIL PROTECTED]]
Sent: Friday, February 21, 2003 10:06 AM
To: OJB User Mailing
If its an actual TRIGGER, then just do a conditional to see if the id is
already set before you grab it from the sequence...
If its a DEFAULT attribute, then I don't know how you would get around it.
|-Original Message-
|From: O'Reilly John [mailto:[EMAIL PROTECTED]]
|Sent:
I just installed 0.9.7. The regression test against hsqldb worked great. I switched
over to MSSQL. After changing it to use the JDBC driver we use TdsDriver and fixing
the error in objtest-data.dtd so that it actually matches objtest-data.xml the build
prepare-testdb worked great against MSSQ
-Original Message-
>IMO it is important to get a clear picture of your requirements.
>1. Do want a transparent persistent store. (and storing data in RDBMS is
not
>manadtory)or
>2. Do want an automated object/relational mapping? (because storing in a
>RDBMS is manadatory)
>
>I've got the
Hi all,
i have a write method of bean but...
UserVO auxVO = (UserVO) objectVO;
// now perform persistence operations
Transaction tx = null;
// 2. open transaction
tx = odmg.newTransaction();
tx.begin();
// 3. acquire write lock on new object
tx.lock(auxVO, Transaction.WRITE);
/
I could drop the trigger and it would probably work. However, I need the
trigger in place as the data can be loaded from other sources.
-Original Message-
From: Andrew Gilbert [mailto:[EMAIL PROTECTED]]
Sent: 21 February 2003 15:51
To: OJB Users List
Subject: RE: Oracle sequences/trigger
Are you mixing strategies? Drop the trigger in case 2, does it work?
-Original Message-
From: O'Reilly John [mailto:[EMAIL PROTECTED]]
Sent: Friday, February 21, 2003 10:23 AM
To: '[EMAIL PROTECTED]'
Subject: Oracle sequences/triggers
Last November a message was posted regarding the us
I have three java data types in the object. The mappings are the following:
String - VARCHAR - VARCHAR2
int - INTEGER - NUMBER
boolean - BIT - NUMBER(1)
The boolean mapping uses
"org.apache.ojb.broker.accesslayer.conversions.Boolean2IntFieldConversion"
I think they are all correct mappin
Oh yes also ...
We put the cache to on, only for classes that map onto table that don't
change to much.
-Message d'origine-
De : PICARD Jérôme
Envoyé : jeudi 6 février 2003 18:15
À : '[EMAIL PROTECTED]'
Cc : CLARAMONTE Jean-Baptiste
Objet : RE: Customizing if a persistente object use th
Last November a message was posted regarding the use of Oracle Sequences. I
was wondering if somone was able to get this working.
http://archives.apache.org/eyebrowse/ReadMsg?[EMAIL PROTECTED]
e.org&msgId=528894
As posted, I have defined a trigger based oracle sequence such that the DB
will gene
What are some specifics for class and meta data in your scenario?
Could it be an issue with the data type your are mapping?
http://db.apache.org/ojb/jdbc-types.html
-Original Message-
From: Lucy Zhao [mailto:[EMAIL PROTECTED]]
Sent: Friday, February 21, 2003 10:04 AM
To: OJB Users List
I'm waiting till the OTM is done before we rebuilt the JCA connector. One OTM is done,
JCA should only take a week to build/test
-Original Message-
From: Armin Waibel [mailto:[EMAIL PROTECTED]]
Sent: Fri 2/21/2003 3:24 AM
To: OJB Users List
Some confusion in my mind over defining policy at the class/meta level or at the
instance/runtime level. Good first step would seem to be ability to define policy at
the class/meta data level to start. This need has come up a couple of times on the
list.
Can also see wanting to override policy
Would some one please throw some light on this?
In the design, a stateless session bean passes a persistence broker instance
to an OJB component that does the CRUD functions. EJB was deployed to JBoss
successfully, but when envoking the OJB component, application throws
ClassNotFoundException. So
Hi Stefan,
I'm thinking to introduce a CacheFilter interface which
allows to filter objects before cache, lookup, remove
independent from the used cache implementation. Then it
would be possible to do
public boolean beforeCache(Identity oid, Object obj)
{
String cacheable =
broker.get
Hi,
> Maybe it would be useful to add an attribute 'cacheable' (true|false) to
> the
> class-descriptor in repository.dtd to flag if an object should be cached
> or not.
This sounds like a great idea to me, it would solve my problem. In
General, I either have just a few objects of the simple typ
Hi Andrew,
yes it's a bug.
I have made this post on the dev-list a few days ago
http://archives.apache.org/eyebrowse/ReadMsg?[EMAIL PROTECTED]
ache.org&msgNo=3696
regards,
Armin
- Original Message -
From: "Andrew Gilbert" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, Februar
On Friday, Feb 21, 2003, at 04:23 US/Eastern, Armin Waibel wrote:
Maybe we should enhance the MM to support different repository
profiles, e.g. you could add a 'user' profile and a 'admin' profile.
Then it would be possible to use
MM.loadProfile(String profileName, boolean global);
What do you
On Friday, Feb 21, 2003, at 01:18 US/Eastern, Thomas Mahler wrote:
The most natural thing would be to encapsulate the different cascade
policies in different role classes.
Yep I agree. Thanks for filling me in.
R
--
Robert S. Sfeir
Senior Java Engineer
National Institutes of Health
Center
We have a simple class with a primary key that requires custom conversion. The latest
build from CVS breaks this. It looks like a change to Identity (rev 1.13). Is this
intentional? If so, how is this supposed to work?
Assuming a simple class Foo which happens to require a custom conversion for
Hi Ricardo,
this problem is fixed in CVS.
regards,
Florian
> -Ursprüngliche Nachricht-
> Von: Ricardo Tercero Lozano [mailto:[EMAIL PROTECTED]]
> Gesendet: Freitag, 14. Februar 2003 13:19
> An: [EMAIL PROTECTED]
> Betreff: reverse-db isn't able to change attribute names
>
>
>
> I found r
Well this is a Debugging message (I=m saving one Person with two addresses): This save
wasnt ok, one of the addresses has oidPerson = 0. This address oid is 583. Address
with oid 582 has right oidPerson = 562.
I also add class definitions of class Person and Address (classes are in package
com.
Hi Nikos,
sorry for the late reply.
- Original Message -
From: "Nikos Vitalis" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, February 19, 2003 5:28 PM
Subject: OJB & JTA Support
> Hallo,
>
> i am using ojb (not the odmg or the jdo implementations) and want it
to
> partcip
I wondering also when the objects in the cache are synchronized with the
DB (when a object is refreshed or when a update/insert is made in the DB) ?
Are there different strategies to synchronise with the DB ( eg. for read
only objects : avoid intensive retrieve from the DB) ?
I don't see where al
Hi Jakob
Some news on this problem -- it turns out it is a case sensitivity issue.
E.g. If I query on the column name in the report
query (e.g. upper case 'ID') it does not work, if I query on the field name
(e.g. lower case 'id') it works.
N.B. this therefore is only a problem where we have 2 co
Hi Stefan,
> -Original Message-
> From: Stefan Schlösser [mailto:[EMAIL PROTECTED]]
> Sent: Friday, February 21, 2003 10:51 AM
> To: oJB Users List
> Subject: Caching of Objects
>
>
> Hi,
>
> OJB has a build in object cache,
> after reading its interface, I got
> the impression that I
Hi Stefan,
- Original Message -
From: "Stefan Schlösser" <[EMAIL PROTECTED]>
To: "oJB Users List" <[EMAIL PROTECTED]>
Sent: Friday, February 21, 2003 10:50 AM
Subject: Caching of Objects
> Hi,
>
> OJB has a build in object cache, after reading its interface, I got
> the impression that I
Sorry,
I should read all new messages before asking questions !
:-)
Thanks to all !
__
Jean-Baptiste BRIAUDSysdeo
Software engineer www.sysdeo.com
www.eclipsetotale.com
> -Message d'ori
Hi,
see more about runtime metadata changes here
http://archives.apache.org/eyebrowse/ReadMsg?[EMAIL PROTECTED]
pache.org&msgNo=5807
and in javadoc of class MetadataManager (newest version
see CVS)
regards,
Armin
- Original Message -
From: "Jean-Baptiste BRIAUD" <[EMAIL PROTECTED]>
To:
see 'auto-update, auto-delete set dynamically?' thread.
-Mensaje original-
De: Jean-Baptiste BRIAUD [mailto:[EMAIL PROTECTED]]
Enviado el: viernes, 21 de febrero de 2003 10:50
Para: 'OJB Users List'
Asunto: Prefetch dynamic change
Hello,
Is it possible to dynamicly change value of au
Hi,
OJB has a build in object cache, after reading its interface, I got
the impression that I have to explictly put objects into the cache.
This does however not seem to be the case, OJB seems to cache objects
on its own accord.
Is there some documentation telling me how I can gain control of
Hello,
Is it possible to dynamicly change value of auto-XXX
(auto-delete, auto-retrieve, ...) specified in the repository-user.xml ?
By "dynamicly" I mean in Java code. Say in the xml file there is the
default version, but in Java code I'd like to change value for one shot.
Note that I don't wan
Hi Ryan,
indeed that's a better workaround for the problem.
But the same problems (you have with HighLowSequence)
could occur with any other persistent capable object.
Say server1 and server2 cache object A, now server1
update A-->A'. Then server2 do a select for A and found
A not A'. Server2 nev
Hi Robert,
- Original Message -
From: "Robert S. Sfeir" <[EMAIL PROTECTED]>
To: "OJB Users List" <[EMAIL PROTECTED]>
Sent: Thursday, February 20, 2003 11:18 PM
Subject: Re: auto-update, auto-delete set dynamically?
> Thomas,
>
> I get this:
>
> PersistenceBroker broker = null;
> broker =
Hi David,
- Original Message -
From: "David Mitchell" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, February 21, 2003 12:23 AM
Subject: repository questions
>
> I have two questions about the repository definitions:
>
> 1- is it possible to tell OJB not to check for the exi
Hi Daniel,
some more thoughts:
IMO it is important to get a clear picture of your requirements.
1. Do want a transparent persistent store. (and storing data in RDBMS is not
manadtory)or
2. Do want an automated object/relational mapping? (because storing in a
RDBMS is manadatory)
I've got the impr
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