[Hibernate-issues] [Hibernate-JIRA] Commented: (HBX-584) hbm2java creates two default constructors

[Lauri V. (JIRA) <no...@at...>]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HBX-584?page=comments#action_23826 ] 

Lauri Vasko commented on HBX-584:
---------------------------------

two default constructors are generated in case when hibernate.reveng.xml defines generator class for tables' primary-key like so:

<hibernate-reverse-engineering>
    <table name="SUBBJEKTIDE_SEOS">
        <primary-key>
            <generator 
class="acme.TableNameSequenceGenerator">
            </generator>
        </primary-key>
    </table>
</hibernate-reverse-engineering>

AND when you have composite-id for that table (*.hbm.xml wold look something like that):

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 
3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!-- Generated 3.08.2006 16:31:03 by Hibernate Tools 3.2.0.beta6a -->
<hibernate-mapping>
    <class name="acme.SubjektideSeos" 
table="SUBJEKTIDE_SEOS">
        <composite-id name="id" 
class="acme.SubjektideSeosId">
            <key-many-to-one name="subjektideSeoseLiik" 
class="acme.SubjektideSeoseLiik">
                <column name="SUBJEKTIDE_SEOSE_LIIK_ID" precision="22" 
scale="0" />
            </key-many-to-one>
            <key-many-to-one name="subjekt1" 
class="acme.Subjekt">
                <column name="SUBJEKT1_ID" precision="22" scale="0" />
            </key-many-to-one>
            <key-many-to-one name="subjekt2" 
class="acme.Subjekt">
                <column name="SUBJEKT2_ID" precision="22" scale="0" />
            </key-many-to-one>
        </composite-id>
        <property name="ametikoht" type="string">
            <column name="AMETIKOHT" length="100" />
        </property>
    </class>
</hibernate-mapping>


and version of Hibernate Tools is as shows the autogenerated comment 3.2.0.beta6a.

Indeed this is case of misuse, because there is no need to define generator for composite-id (at least one didn't get generated into hbm.xml -- as you see above).

Nevertheless, misuse or not, Hibernate Tools should generate .java files that compile.

> hbm2java creates two default constructors
> -----------------------------------------
>
>          Key: HBX-584
>          URL: http://opensource.atlassian.com/projects/hibernate/browse/HBX-584
>      Project: Hibernate Tools
>         Type: Bug

>   Components: hbm2java
>     Versions: 3.1beta4
>     Reporter: shabs shabalot
>     Priority: Minor

>
>
> hbm2java creates two default constructors when the mapping file has just one field. 
> http://forum.hibernate.org/viewtopic.php?t=955225

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