Where to set Mapped Primary Table
I am using sunOne studio 4 update 1, EE.
I have created a schema by doing New->Database->Database Schema, all OK.
I have then created related ejbs by doing New->J2EE->Related CMP Entity EJBs, all OK.
Now I want to view the mapping information so
I look at the CMP bean entry properties under the EJB module but I see no mapping information in Sun ONE AS Mappings tab. !!!
When I try to edit the protected field I get warning indicating that bean must have a valid Mapped primary table. It tells me to set a Mapped Primary Table in the main properties sheet for this bean.
My problem is I can not find this sheet
Please help before I go crazy
Thanks in advance
Tex...
OK I know where to set these fields now.
It is set in the Sun ONE AS tab pane.
However, here comes the next problem.
The Wizard generated schema does not recognise the primary key fields so I can not map CMP to any table :-)
I think this is a bug because I have generated schemas from 3 different databases (IBM, MySWL, SAP) and the tables have primary key fields.
When I get a connection in Runtime Pane under Database node, I can see the primary fields are highlighted with red color.
However, when I obtain the schema using, New->Database->Database Schema, there are no key fields generated.
Anyone have any ideas, work around?
Thanks
Tex...
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Validation failed for board.ejb.user.UserBean. Verify that all fields are mapped.
CMP Mapping Error in bean User:: Warning: The bean pcImpl0.moduleComp0.board.ejb.user.User is not mapped.
Set the primary table for the bean.
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I any using ebedded fileds (one table but two related classes like company-adress example in Developer Guide):
<class name="StyleCoreImpl" detachable="true">
<field name="createdBy">
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<field name="date" column="CREATEDBY_DATE"/>
</embedded>
</field>
</class>
<class name="MadeByStatusImpl" detachable="true">
<field name="date"/>
<field name="user"/>
</class>
but get at runtime an error "No table was given for persistent type":
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at kodo.jdbc.meta.ClassMappingInfo.getTable(ClassMappingInfo.java:215)
at kodo.jdbc.meta.strats.FullClassStrategy.map(FullClassStrategy.java:52)
at kodo.jdbc.meta.ClassMapping.setStrategy(ClassMapping.java:349)
Question:
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thanks
Andre TeshlerHi Abe, we have following problem with proposed solution:
Two embedded instances of the same type pointing to the sametarget
· Problem
We have an entity that holds date and user of creation and date and user of last change. The
information is encapsulated in a state object which is mapped as an embedded object. The table
holds both dates and the ids of the user. The user information is held in a separate user table. If
we load the entity, the entity table is only joined once against the user table, even if the user ids for
create and lastchange are different. In consequence, the user objects of the created and
lastchange state are always the same.
Question:
Why is the fact that t0.createdby_user may differ from t0.lasteditedby_user ignored
and t0 not joined twice against dbldapusermapping?
Entities:
public class MadeByStatusImpl {
private UserImpl user = null;
private Date date;
/* getter and setter */
public final class UserImpl {
private long id;
private String givenName = null;
private String surname = null;
/* getter and setter */
public class StyleApprovalCheckImpl {
private long id;
private MadeByStatusImpl created = null;
private MadeByStatusImpl lastChanged = null;
private String comment = null;
/* getter and setter */
Mapping:
<class name="MadeByStatusImpl" embedded-only="true">
<field name="date"/>
<field name="user"/>
</class>
<class name="UserImpl" table="DBLDAPUSERMAPPING" identitytype="
application" detachable="true">
<field name="id" primary-key="true" column="LDAPUSERMAPPINGID"/>
<field name="givenName" column="GIVENNAME"/>
<field name="surname" column="SURNAME"/>
</class>
<class name="StyleApprovalCheckImpl" table="DBSMAPPROVALCHECKENTRY"
identity-type="application" detachable="true">
<inheritance>
<discriminator strategy="final"/>
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<field name="id" primary-key="true" sequence="Seq" column="ID"/>
<field name="comment" column="APPROVALCOMMENT"/>
<field name="created" default-fetch-group="true">
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<field name="date" column="CREATEDBY_DATE"/>
<field name="user" default-fetch-group="true"
column="CREATEDBY_USER">
<foreign-key/>
</field>
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<field name="lastChanged" default-fetch-group="true">
<embedded>
<field name="date" column="LASTEDITEDBY_DATE"/>
<field name="user" default-fetch-group="true"
column="LASTEDITEDBY_USER">
<foreign-key/>
</field>
</embedded>
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SELECT t0.smapprovalcheckentryid, t0.approvalcomment,
t0.createdby_date, t1.ldapusermappingid, t1.givenname,
t1.surname, t1.ldapuid, t0.lasteditedby_date
FROM dbsmapprovalcheckentry t0,
dbldapusermapping t1
WHERE (t0.smstylesupplierid = 1)
AND t0.createdby_user = t1.ldapusermappingid(+)
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class IndivClass{
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Thanks,
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So just for clarification...
Im going to remove the multi-table info.
And use normal foreign key reference,
and apply the patch...then the Integrity error
should not occur.
Right ?
One more question... If I also want to refer IndivExt from the Indiv object...then I would change my classes
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hi
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GO
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Erland Sommarskog, SQL Server MVP, [email protected] -
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---------------+ ---------------+
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