Are you using Attribute overrides for the other class Suppliercompanyent?
To solve your initial problem you could always query on the
"Stockinforent" instead of "Iteamdetailsent" and use the OneToOne
reference to display the "Iteamdetailsent" details.
-- Gordon
Eve Pokua wrote:
>
> Hello everyone,
>
> I tried to used embeddable class as below but then got some error:
>
> *Descriptor Exceptions:
> ---------------------------------------------------------
> Exception [TOPLINK-93] (Oracle TopLink Essentials - 2.0 (Build
> b58g-fcs (09/07/2007))):
> oracle.toplink.essentials.exceptions.DescriptorException
> Exception Description: The table [ITEMS] is not present in this
> descriptor.
> Descriptor: RelationalDescriptor(stockInformation.Suppliercompanyent
> --> [DatabaseTable(SUPPLIERS)])
> Runtime Exceptions:
> ---------------------------------------------------------
> Deployment error:
> The module has not been deployed.
> See the server log for details.
>
> *
> The embeddable class is also in relation to another class. I'm kind
> of running out
> of ideas and would appreciate any suggestions. Unless I have to stick
> to bidirectional.
>
> Thanks
>
> eve
>
> ------------------------------------------------------------------------
> From: gorgeous65_at_msn.com
> To: ejb_at_glassfish.dev.java.net
> CC: persistence_at_glassfish.dev.java.net
> Date: Mon, 18 Feb 2008 15:36:15 +0000
> Subject: RE: question on entity relation. - unidirectional
>
>
> Hello everyone,
>
> I was doing a research on this and came across the following about
> embeddable class:
>
> http://www.theserverside.com/tt/articles/article.tss?l=MigratingJDBC
>
> Check the entity Accounts and ContactInformation:
>
>
> *_at_Entity
> @Table(name = "ACT")
> public class Account implements java.io.Serializable {
>
> protected String userId;
> protected ContactInformation info;
>
> public Account () {}
>
> public Account (String userId, ContactInformation info) {
> this.userId = userId;
> this.info = info;
> }
>
> @Id
> @Column(name="USERID")
> public String getUserId() {
> return userId;
> }
> @Embedded
> public ContactInformation getContactInformation() {
> return info;
> }
>
>
>
> ...
> ...
>
> }*
>
> *_at_Embeddable
> @Table(name = "ACT")
>
> public class ContactInformation implements java.io.Serializable {
>
> protected String telephone;
> protected String email;
> protected String familyName;
> protected String givenName;
>
> public ContactInformation() {}
>
> public ContactInformation(String familyName,
> String givenName,
> String telephone,
> String email){
>
> this.givenName = givenName;
> this.familyName = familyName;
> this.email = email;
> this.telephone = telephone;
> }
>
> @Column(name="FIRSTNAME")
> public String getGivenName(){
> return givenName;
> }
>
> ...
> ...
>
>
> }
> *
>
>
> The above code was copied from:
>
> http://www.theserverside.com/tt/articles/article.tss?l=MigratingJDBC
>
> Could this be the answer to my problems. Instead, have two
> entities and then one table. Embedded
> one entity in another, so there is no worries of relations. Then
> in a case liken this, I would display data using
> a code as below:
>
> acount.contactInformation.telephone;
> acount.contactInformation.email;
> acount.contactInformation.familyName;
> acount.contactInformation.givenName;
>
> I'm I on the right track?
>
> Thanks
>
> eve
>
>
>
>
>
> ------------------------------------------------------------------------
> From: gorgeous65_at_msn.com
> To: ejb_at_glassfish.dev.java.net
> CC: persistence_at_glassfish.dev.java.net
> Date: Mon, 18 Feb 2008 13:16:11 +0000
> Subject: question on entity relation. - unidirectional
>
> hello everyone,
>
> I have two entities:
>
> *public class Iteamdetailsent implements Serializable{*
> **
> *_at_Id
> @Column(name="ITMID", nullable=false, length=8)
> private String itmid;*
> **
> ....
>
>
> And
>
> *public class Stockinforent implements java.io.Serializable
> {
>
> @Id
> @Column(name = "ITMID", insertable=false, updatable=false)
> private String itmid;
> @OneToOne()
> @JoinColumn(name="ITMID")
> private Iteamdetailsent iteamdetailsent;*
> **
> .....
>
> Stockinforent does not required an ID of it's own so it is
> using Iteamdetailsent foriegn key
> as it's id. Now I am also using the MVC to get and display
> data to client. Moreover, I am
> also using displaytag as part of my design. Now, I am using a
> servlet to retrieve data from the entities
> and then forwarding data to a JSP to display to client. For
> example, in my display JSP:
>
>
> *<display:table name="sessionScope.iteamdetailsent" ..>*
> * <display:column property="itmid" title=" Itemcode "/>
> <display:column property="itmname" sortable="true"
> headerClass="sortable" title=" Name "/>
> ...*
> *</display:table>*
>
>
> Now, how do I display data or retrieve data of Stockinforent
> in relations to Iteamdetailsent?
> I am hoping that I won't have to use bi-directional entity
> relation, as it's so hard to maintain.
> Please, help.
>
>
> Thanks
>
> eve
>
>
>
>
>
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