Hi,
I have an EmailMessage Entity, which contains four collections, which all
reference the same type of entity bean, which in my case represents an
EmailAddress.
So I have an EmailMessage and inside 4 collections, all of which in turn store
EmailAddress Entities for the email fields to, cc, bcc and replyTo.
I looked in the database and the table for the relationship looks like this:
--------- emailmessage_emailaddress ----------------
emailmessage_id bigint NOT NULL
replyto_id bigint NOT NULL
bcc_id bigint NOT NULL
cc_id bigint NOT NULL
to_id bigint NOT NULL
-------------------------------------------------------------
If I create an EmailMessage and add one EmailAddress entity bean to one of the
collections, then I get a contraint exception, because the "NOT NULL"
constraint is violated.
How, can I set this up, so that this works? Is this possible at all?
Here are the 2 entity beans:
-------------------------------------------------
@Entity
@Name("emailMessage")
public class EmailMessage implements Serializable
{
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
long id;
@OneToOne(cascade = {CascadeType.ALL})
EmailAddress from;
@OneToMany(cascade = {CascadeType.ALL})
Collection to = new ArrayList();
@Temporal(TemporalType.TIMESTAMP)
Date sentDate;
@OneToMany(cascade = {CascadeType.ALL})
Collection cc = new ArrayList();
@OneToMany(cascade = {CascadeType.ALL})
Collection bcc = new ArrayList();
@OneToMany(cascade = {CascadeType.ALL})
Collection replyTo = new ArrayList();
...
}
------------------------------------------------------------
@Entity
@Name("emailAddress")
public class EmailAddress implements Serializable
{
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
long id;
String emailAddress;
String name;
...
}
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