I dont believe it. Where is the proof?

Are you sure?

Excellent idea. I will try it.

Are you sure of that?

I’m using the current maxdb, jboss-3.2.1. I’m sure I am doing something really wrong that is not obvious to me. One of the things that I noticed is that ejb-jar.xml does not have the key-field auto generated.

/*
* Created on Dec 29, 2005
*
* To change the template for this generated file go to
* Window>Preferences>Java>Code Generation>Code and Comments
*/
package ejb;

import javax.ejb.EntityBean;
import javax.ejb.EntityContext;
import java.util.Collection;

/**
* @ejb.bean name=”A”
* jndi-name=”ABean”
* type=”CMP”
* primkey-field=”a_id”
* schema=”a”
* cmp-version=”2.x”
*
*–
* This is needed for JOnAS.
* If you are not using JOnAS you can safely remove the tags below.
* @jonas.bean ejb-name=”A”
* jndi-name=”ABean”
* @jonas.jdbc-mapping jndi-name=”java:/SapdbDS” jdbc-table-name=”a”
* –
*
* @ejb.persistence
* table-name=”a”
*
* @ejb.finder
* query=”SELECT OBJECT(a) FROM a as a”
* signature=”java.util.Collection findAll()”

*–
* This is needed for JOnAS.
* If you are not using JOnAS you can safely remove the tags below.
* @jonas.finder-method-jdbc-mapping method-name=”findAll”
* jdbc-where-clause=”"
* @jonas.jdbc-mapping jndi-name=”java:/SapdbDS”
* jdbc-table-name=”a”
*
*–
*
**/

public abstract class ABean implements EntityBean {
protected EntityContext ctx = null;

// business methods
/* public void addB() {

BLocal b = null;

try {
InitialContext BContext = new InitialContext( );
BLocalHome bHome = (BLocalHome)
BContext.lookup(“java:comp/env/ejb/B”);
b = bHome.create(getId());
} catch (Exception e) {
System.out.println(“exception @ BContext”);
}

Collection bCollection = this.getBBean( );
bCollection.add(b);

}
*/
/**
* CMR Collection containing bbean information
*
* @ return the bbean
*
*
* @ejb.interface-method
*
* @ejb.relation
* name=”a-refers-to-b”
* role-name=”aTob”
* target-ejb=”B”
* target-role-name=”bToa”
*
* @jboss.relation-mapping
* style=”relation-table”
*
* @jboss.relation-table
* table-name=”b”
* create-table=”false”
* remove-table=”false”
*
*@jboss.relation
* related-pk-field=”b_id”
* fk-column=”a_id_fk”
* fk-constraint=”false”
*/

public abstract Collection getBidfk();

/**
*
* @param java.util.Set the new b_id_fk value
*
* @ejb.interface-method
*
*
*/

public abstract void setBidfk(Collection b);

public void setEntityContext(EntityContext ctx) {
this.ctx = ctx;
}

public void unsetEntityContext() {
this.ctx = null;
}

/**
* The ejbCreate method.
*
* @ejb.create-method
*/
public java.lang.Long ejbCreate(Collection b) throws javax.ejb.CreateException {

setAid(new Long(0));

try {
BLocalHome bLocalHome = BUtil.getLocalHome();

java.util.Iterator it = b.iterator();
while (it.hasNext()) {
bLocalHome.create(getAid());
}
} catch (Exception e) {
System.out.println(“a.ejbCreate”);
System.out.println(e.getStackTrace());
}

return null;
}

/**
* The container invokes this method immediately after it calls ejbCreate.
*
*/
public void ejbPostCreate(Collection b) throws javax.ejb.CreateException {

try {
BLocalHome bLocalHome = BUtil.getLocalHome();
setBidfk(bLocalHome.findByForeignKey(getAid()));
} catch (Exception e) {
System.out.println(“a.ejbPostCreate”);
System.out.println(e.getStackTrace());
}

}

/**
* Returns the a_id
* @return the a_id
*
* @ejb.persistent-field
* @ejb.persistence
* column-name=”a_id”
* sql-type=”fixed(10)”
* @ejb.pk-field
* @ejb.interface-method
*
* –
* This is needed for JOnAS.
* If you are not using JOnAS you can safely remove the tags below.
* @jonas.cmp-field-jdbc-mapping field-name=”a_id”
* jdbc-field-name=”a_id”
*
–
*/
public abstract java.lang.Long getA_id();

/**
* Sets the a_id
*
* @param java.lang.Long the new a_id value
*
* @ejb.interface-method
*/
public abstract void setA_id(java.lang.Long a_id);

}

/*
* Created on Dec 29, 2005
*
* To change the template for this generated file go to
* Window>Preferences>Java>Code Generation>Code and Comments
*/
package ejb;

import javax.ejb.EntityBean;
import javax.ejb.EntityContext;
import java.lang.Long;

/**
* @ejb.bean name=”B”
* jndi-name=”BBean”
* type=”CMP”
* primkey-field=”b_id”
* schema=”b”
* cmp-version=”2.x”
*
*–
* This is needed for JOnAS.
* If you are not using JOnAS you can safely remove the tags below.
* @jonas.bean ejb-name=”B”
* jndi-name=”BBean”
* @jonas.jdbc-mapping jndi-name=”java:/SapdbDS” jdbc-table-name=”b”
* –
*
* @ejb.persistence
* table-name=”b”
*
* @ejb.finder
* query=”SELECT OBJECT(a) FROM b as a”
* signature=”java.util.Collection findAll()”
*
* @ejb.finder
* query=”SELECT OBJECT(a) FROM a as a WHERE a_id_fk=?1″
* signature=”java.util.Collection findByForeignKey(java.lang.Long a)”
*–
* This is needed for JOnAS.
* If you are not using JOnAS you can safely remove the tags below.
* @jonas.finder-method-jdbc-mapping method-name=”findAll”
* jdbc-where-clause=”"
* @jonas.jdbc-mapping jndi-name=”java:/SapdbDS”
* jdbc-table-name=”b”
*
*–
*
**/

public abstract class BBean implements EntityBean {

/* public abstract ALocal getABean();

public abstract void setABean(ALocal abean);

*/
protected EntityContext ctx = null;

public void setEntityContext(EntityContext ctx) {
this.ctx = ctx;
}

public void unsetEntityContext() {
this.ctx = null;
}

/**
* The ejbCreate method.
*
* @ejb.create-method
*/
public java.lang.Long ejbCreate(Long a_id_fk) throws javax.ejb.CreateException {

setB_id(new Long(0));
setAidfk(a_id_fk);

return null;
}

/**
* The container invokes this method immediately after it calls ejbCreate.
*
*/
public void ejbPostCreate() throws javax.ejb.CreateException {
}

/**
* Returns the b_id
* @return the b_id
*
* @ejb.persistent-field
* @ejb.persistence
* column-name=”b_id”
* sql-type=”fixed(10)”
* @ejb.pk-field
* @ejb.interface-method
*
* –
* This is needed for JOnAS.
* If you are not using JOnAS you can safely remove the tags below.
* @jonas.cmp-field-jdbc-mapping field-name=”b_id”
* jdbc-field-name=”b_id”
*
–
*/
public abstract java.lang.Long getB_id();

/**
* Sets the b_id
*
* @param java.lang.Long the new b_id value
*
* @ejb.interface-method
*/
public abstract void setB_id(java.lang.Long b_id);

/**
* Returns the a_id_fk
* @return the a_id_fk
*
* @ejb.persistent-field
* @ejb.persistence
* column-name=”a_id_fk”
* sql-type=”fixed(10)”
*
* @ejb.interface-method
*
* –
* This is needed for JOnAS.
* If you are not using JOnAS you can safely remove the tags below.
* @jonas.cmp-field-jdbc-mapping field-name=”a_id_fk”
* jdbc-field-name=”a_id_fk”
*
–
*/
public abstract java.lang.Long getAidfk();

/**
* Sets the a_id_fk
*
* @param java.lang.Long the new a_id_fk value
*
* @ejb.interface-method
*/
public abstract void setAidfk(java.lang.Long aidfk);

}

Generated by XDoclet

markup for those beans.
–>

B

ejb.BHome
ejb.B
ejb.BLocalHome
ejb.BLocal

ejb.BCMP
Container
java.lang.Long
False
2.x
b

b_id

aidfk

b_id

findAll

findByForeignKey

java.lang.Long

A

ejb.AHome
ejb.A
ejb.ALocalHome
ejb.ALocal

ejb.ACMP
Container
java.lang.Long
False
2.x
a

a_id

a_id

findAll

markup for those beans.
–>

markup for those beans.
–>

a-refers-to-b

aTob
One

A

bidfk
java.util.Collection

bToa

Many

B

markup.
–>

I’m not quite sure though what you mean with the registry, but hopefully this answer suffices already.