Hi,
Can you post the mappings for Code as well?
-Patrick
On 11/26/07, Adam Hardy <[EMAIL PROTECTED]> wrote:
> Can anyone spot my problem? There must be something simple wrong with my
> approach because I am following the examples in the docs but I'm getting this
> error:
>
> org.apache.openjpa.persistence.ArgumentException: You have supplied columns
> for
> "org.permacode.patternrepo.domain.Category.codes<element:class
> org.permacode.patternrepo.domain.Code>", but this mapping cannot have columns
> in
> this context.
>
> I have tried various permutations to write the mapping but seem to have
> exhausted all avenues. This is the class:
>
> public class Category implements Serializable
> {
> private static final long serialVersionUID = -4057308541301713754L;
>
> private Long id;
>
> private String title;
>
> private Collection<Code> codes;
>
> /** default constructor */
> public Category()
> {
> }
> .... // with constructors, setters and getters
>
>
> public class Code implements Serializable
> {
> private static final long serialVersionUID = -6384628886028362912L;
>
> private Long id;
>
> private Collection<Category> categories;
>
> /** default constructor */
> public Code()
> {
> }
>
> and the entity mapping:
>
> <entity class="org.permacode.patternrepo.domain.Category">
> <table name="CATEGORY" />
> <attributes>
> <id name="id">
> <column name="ID" />
> <generated-value strategy="TABLE" generator="categoryKeySequence" />
> </id>
> <basic name="title">
> <column name="TITLE" />
> </basic>
> <many-to-many name="codes">
> <order-by></order-by>
> <join-table name="CATEGORY_CODE_LINK">
> <join-column name="CATEGORY_ID" referenced-column-name="ID"/>
> <inverse-join-column name="CODE_ID" referenced-column-name="ID" />
> </join-table>
> </many-to-many>
> </attributes>
> </entity>
>
> the mapping for Code follows exactly the same syntax.
>
--
Patrick Linskey
202 669 5907
