On 10/05/2011 02:36 PM, Eric Charles wrote:
Hi Felix,
Are you referring to
http://openjpa.apache.org/builds/latest/docs/manual/jpa_overview_meta.html#jpa_overview_meta_embeddable
?
Yes. In this sample the class is annotated as @Entity whereas we do have
an abstract class -> @MappedSuperclass. Maybe it @MappedSuperclass would
also work. Or the plugin gives a false positive, see below.
http://openjpa.apache.org/embeddable-samples.html
From the second link, it seems that an extra table is created (not sure).
That's what I understood as well.
Did you try to run with @Embeddable and look at the impact on database
tables?
No. I'm still trying to get a created schema by the openjpa plugin
I was pointed to it by maven build output:
145 WARN [main] openjpa.Enhance - Type "class
org.apache.james.mailbox.jpa.mail.model.openjpa.AbstractJPAMessage$MailboxIdUidKey"
loaded by java.net.URLClassLoader@6a37ea3c has no metadata; enhancing as
persistence aware. If you intended for "class
org.apache.james.mailbox.jpa.mail.model.openjpa.AbstractJPAMessage$MailboxIdUidKey"
to be persistence-capable, then this means that OpenJPA could not find
any metadata for "class
org.apache.james.mailbox.jpa.mail.model.openjpa.AbstractJPAMessage$MailboxIdUidKey".
This can happen if the directory containing your metadata is not in your
CLASSPATH, or if your metadata files are not named properly. See the
documentation on metadata placement for more information.
Regards
Felix
Thx
Eric
On 05/10/11 14:03, Norman Maurer wrote:
Hi there,
I'm not sure either.. Maybe someone else can confirm ?
Bye,
Norman
2011/10/5 Felix Knecht<[email protected]>:
@Norman
Hi Norman
I think the MailboxIdUidKey should be embeddable but I'm not absolutely
sure. Can you please verify this?
Thanks and regards
Felix
### Eclipse Workspace Patch 1.0
#P apache-james-mailbox-jpa
Index:
src/main/java/org/apache/james/mailbox/jpa/mail/model/openjpa/AbstractJPAMessage.java
===================================================================
---
src/main/java/org/apache/james/mailbox/jpa/mail/model/openjpa/AbstractJPAMessage.java
(revision 1178736)
+++
src/main/java/org/apache/james/mailbox/jpa/mail/model/openjpa/AbstractJPAMessage.java
(working copy)
@@ -27,6 +27,7 @@
import javax.persistence.Basic;
import javax.persistence.CascadeType;
import javax.persistence.Column;
+import javax.persistence.Embeddable;
import javax.persistence.FetchType;
import javax.persistence.Id;
import javax.persistence.IdClass;
@@ -105,6 +106,7 @@
private static final String TOSTRING_SEPARATOR = " ";
/** Identifies composite key */
+ @Embeddable
public static class MailboxIdUidKey implements Serializable {
private static final long serialVersionUID = 7847632032426660997L;
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