Thank you so much.....it works very well.
--- Thanks... Mick Knutson ---
From: "Adam Houghton" <[EMAIL PROTECTED]> Reply-To: [EMAIL PROTECTED] To: <[EMAIL PROTECTED]> Subject: RE: AW: [Xdoclet-user] updating a m-m value object? Date: Fri, 6 Jun 2003 12:25:32 -0400
The code from you earlier email: public abstract AlertLocal getAlert(); public abstract void setAlert( Collection pAlerts );
This code should be: public abstract Collection getAlerts(); public abstract void setAlerts( Collection pAlerts );
The getAlerts() needs to return a Collection object, not an AlertLocal object. Otherwise, it's a one-to-one relationship, not a one-to-many.
Also, if you're making it a bi-directional relationship (both beans know about each other), you do not need any of the "target-..." tags. Those are only for unidirectional relationships where one side of the relationship doesn't know about the other.
- Adam
> -----Original Message----- > From: Mick Knutson [mailto:[EMAIL PROTECTED] > Sent: Friday, June 06, 2003 12:12 PM > To: [EMAIL PROTECTED] > Subject: RE: AW: [Xdoclet-user] updating a m-m value object? > > > Understood, but the Collection of Contacts in the AlertBean, and the > Collection of Alerts in the ContactBean should be just that. > Right? How is my code below _not_ doing what you said? > > > --- > Thanks... > Mick Knutson > --- > > > > > > >From: "Adam Houghton" <[EMAIL PROTECTED]> > >Reply-To: [EMAIL PROTECTED] > >To: <[EMAIL PROTECTED]> > >Subject: RE: AW: [Xdoclet-user] updating a m-m value object? > >Date: Fri, 6 Jun 2003 09:27:13 -0400 > > > >You're exactly right. That's a one-to-many relationship, not a > >many-to-many relationship. You need Collections on both > sides of the > >relationship if you want a bi-directional many-to-many relationship. > > > >Check out chapter 7 of the O'Reilly EJB book if you want a good > >refresher > >course on CMR. > > > >- Adam > > > > > -----Original Message----- > > > From: Eivind Waaler [mailto:[EMAIL PROTECTED] > > > Sent: Friday, June 06, 2003 8:00 AM > > > To: [EMAIL PROTECTED] > > > Subject: Re: AW: [Xdoclet-user] updating a m-m value object? > > > > > > > > > Looks to me as if you're not defining the relationship as many to > > > many: > > > > > > > public abstract AlertLocal getAlert(); > > > > public abstract void setAlert( Collection pAlerts ); > > > > > > Should not these be: > > > > > > public abstract Collection getAlerts(); > > > public abstract void setAlerts(Collection pAlerts); > > > > > > Or am I totally wrong here? > > > > > > Regards > > > .eivind > > > > > > On Fri, 6 Jun 2003, Mick Knutson wrote: > > > > > > > I made sure the changes where what you mentioned. The > > > randomness seems > > > > to be > > > > gone, but each Contact can only be associated with one (1) > > > Alert still. > > > > Here is the relevant code as per your email: > > > > > > > > AlertBean: > > > > ========= > > > > /** > > > > * Get all Contact's for this alert. > > > > * > > > > * @ejb.interface-method > > > > * > > > > * @ejb.relation > > > > * name="Alert-Contact" > > > > * role-name="alerts-have-many-contacts" > > > > * target-ejb="Contact" > > > > * target-role-name="contact-belongs_to-many-alerts" > > > > * --target-multiple="yes" > > > > * > > > > * @ejb.relation-table > > > > * table-name="alert_contacts_rel" > > > > * create-table="false" > > > > * remove-table="false" > > > > * > > > > * @jboss.relation > > > > * related-pk-field="contactId" > > > > * fk-column="contact_id" > > > > * fk-constraint="false" > > > > * > > > > * @jboss.relation-mapping > > > > * style="relation-table" > > > > * > > > > * @ejb.value-object > > > > * > aggregate="com.baselogic.yoursos.contact.ContactDto" > > > > * aggregate-name="Contact" > > > > * match="normal" > > > > * > members="com.baselogic.yoursos.contact.ContactLocal" > > > > * members-name="Contact" > > > > * type="Collection" > > > > * relation="external" > > > > */ > > > > public abstract Collection getContacts(); > > > > public abstract void setContacts( Collection pContacts ); > > > > > > > > > > > > ContactBean: > > > > =========== > > > > /** > > > > * Get the User for this Contact > > > > * > > > > * @ejb.interface-method > > > > * > > > > * @ejb.relation > > > > * name="Alert-Contact" > > > > * role-name="contact-belongs_to-many-alerts" > > > > * target-ejb="Alert" > > > > * target-role-name="alerts-have-many-contacts" > > > > * --target-multiple="yes" > > > > * > > > > * @ejb.relation-table > > > > * table-name="alert_contacts_rel" > > > > * create-table="false" > > > > * remove-table="false" > > > > * > > > > * @jboss.relation > > > > * related-pk-field="alertId" > > > > * fk-column="alert_id" > > > > * fk-constraint="false" > > > > * > > > > * @jboss.relation-mapping > > > > * style="relation-table" > > > > **/ > > > > public abstract AlertLocal getAlert(); > > > > public abstract void setAlert( Collection pAlerts ); > > > > > > > > > > > > Thanks in advance for your help.... > > > > > > > > > > > > > > > > --- > > > > Thanks... > > > > Mick Knutson > > > > --- > > > > > > > > > > > > > > > > > > > > > > > > >From: "Ingo Bruell" <[EMAIL PROTECTED]> > > > > >Reply-To: [EMAIL PROTECTED] > > > > >To: [EMAIL PROTECTED] > > > > >Subject: AW: [Xdoclet-user] updating a m-m value object? > > > > >Date: Fri, 6 Jun 2003 11:14:10 +0200 > > > > > > > > > >-----BEGIN PGP SIGNED MESSAGE----- > > > > >Hash: SHA1 > > > > > > > > > >Hi, > > > > > > > > > > > When I then edit AlertB and select ContactA and ContactB in > > > > > > the > > > > >multi-select > > > > > > form element, I get the 2 rows that _were_ created for > > > AlertA, and > > > > >replace > > > > > > them with a row for ContactA and ContactB associating > > > to AlertB. > > > > > > So > > > > >AlertA > > > > > > does not have any Contacts associated with it > anymore. So, it > > > > > > seems that I can only have a given Contact, associated with > > > > > > one > > > > >(1) > > > > > > Alert at a time. Not multiple. But I have > > > target-multiple="true" > > > > > > set for > > > > >the > > > > > > get/set Contact method on the AlertBean. > > > > > > > > > >It looks like you have not defined a m:n relation. Both sides > > > > >must have a relation of type Collection. So there is > no need to > > > > >set target-multiply="yes". The setter Methode also needs a > > > parameter of > > > > >type Collection > > > > > > > > > > > > > > >best regards > > > > > > > > > >Ingo Bruell > > > > > > > > > >- - --- > > > > ><[EMAIL PROTECTED]> > > > > ><ICQ# 40377720> > > > > >Oldenburg PGP-Fingerprint: CB01 AE12 B359 87C4 BF1C 953C > > > 8FE7 C648 > > > > >169E > > > > >E5FC > > > > >Germany PGP-Public-Key available at pgpkeys.mit.edu > > > > > > > > > >-----BEGIN PGP SIGNATURE----- > > > > >Version: PGPfreeware 6.5.8 for non-commercial use > > > > ><http://www.pgp.com> > > > > > > > > > > >iQA/AwUBPuBNTo/nxkgWnuX8EQJDwwCcCSev3HEMO9aWeyD/ZInwHgc+/fgAnRd9 > > > > >uS4DtjuI5Y+zgZhiwSGllwF/ > > > > >=JR4R > > > > >-----END PGP SIGNATURE----- > > > > > > > > > > > > > > > > > > > > > > > > >------------------------------------------------------- > > > > >This SF.net email is sponsored by: Etnus, makers of > > > TotalView, The > > > > >best thread debugger on the planet. 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