[ http://jira.codehaus.org/browse/XDP-67?page=comments#action_49122 ]
Vinayak Chitragar commented on XDP-67:
--------------------------------------
Hello All,
I am also facing the same issue. Please read through the description below.
##################
From: Chitragar, Vinayak
Sent: Friday, October 21, 2005 11:36 AM
To: 'xdoclet-plugins-interest@lists.sourceforge.net'
Subject: Join Tag - One2Many with table Per Concrete Class
Hello All,
I am trying to implement a construct which uses Interfaces to define 1:*
association between an object and an interface which has more than one
subclasses.
The class associations and hibernate mappings that works is given below.
However, as XDoclet2's tag - hibernate.join - is a class level tag, I am not
able to generate the hibernate mapping file using XDoclet2.
Class Associations -
1. P associated with interface X.
2. X is implemented by classes Z & Z1.
(Could not include class dia due to mail size restriction)
Please review this and let me know if there is an alternative available.
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd";>
<hibernate-mapping package="one2many">
<class name="P" table="PTEST">
<id name="id" column="P_ID" type="java.lang.Long">
<generator class="increment"/>
</id>
<set name="xs" table="P_XTEST">
<key column="P_ID"/>
<many-to-any meta-type="string" id-type="long">
<meta-value value="Z" class="Z"/>
<meta-value value="Z1" class="Z1"/>
<column name="X_CLASSNAME"/>
<column name="X_ID"/>
</many-to-any>
</set>
</class>
</hibernate-mapping>
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd";>
<hibernate-mapping package="one2many">
<class name="Z1" table="Z1TEST">
<id name="id" column="Z1_ID" type="java.lang.Long">
<generator class="increment"/>
</id>
<join table="P_XTEST" inverse="true">
<key column="X_ID"/>
<many-to-one name="p" column="P_ID"/>
</join>
</class>
</hibernate-mapping>
> hibernate join table property cannot be configured
> --------------------------------------------------
>
> Key: XDP-67
> URL: http://jira.codehaus.org/browse/XDP-67
> Project: XDoclet 2 Plugins
> Type: Bug
> Components: hibernate
> Versions: hibernate-1.0
> Reporter: Andreas Wuest
>
>
> Hello,
> i have a small problem with join tables in xdoclet 2. i have a class
> mapping that contains the following join table mapping (works fine
> with hibernate 3.0), unnecessary tags removed so it is better to read :
> <class name="Geschaeft" table="BA2_E_GESCHAEFT_VW" discriminator-value="-5"
> lazy="false">
> <composite-id name="id" class="GeschaeftPK">
> <key-property name="bank" type="java.lang.Long">
> <column name="BANK_ID" scale="3" precision="0" not-null="true"
> sql-type="NUMBER" />
> </key-property>
> <key-property name="stichtag" type="java.lang.Long">
> <column name="STICHTAG" scale="8" precision="0" not-null="true"
> sql-type="NUMBER" />
> </key-property>
> <key-property name="laufkennung" type="java.lang.Long">
> <column name="LAUFKENNUNG_NR" scale="2" precision="0" not-null="true"
> sql-type="NUMBER" />
> </key-property>
> <key-property name="kontoNr" type="java.lang.Long">
> <column name="KONTO_NR" scale="15" precision="0" not-null="true"
> sql-type="NUMBER" />
> </key-property>
> <key-property name="kontoNrSub" type="java.lang.Long">
> <column name="KONTO_NR_SUB" scale="15" precision="0" not-null="true"
> sql-type="NUMBER" />
> </key-property>
> </composite-id>
> <join table="BA2_R_GESCHAEFT_VW" optional="true" inverse="false"
> fetch="join">
> <key>
> <column name="BANK_ID" scale="3" precision="0" not-null="true"
> sql-type="NUMBER" />
> <column name="STICHTAG" scale="8" precision="0" not-null="true"
> sql-type="NUMBER" />
> <column name="LAUFKENNUNG_NR" scale="2" precision="0"
> not-null="true" sql-type="NUMBER" />
> <column name="KONTO_NR" scale="15" precision="0" not-null="true"
> sql-type="NUMBER" />
> <column name="KONTO_NR_SUB" scale="15" precision="0" not-null="true"
> sql-type="NUMBER" />
> </key>
> <property name="istKurzfristig" type="java.lang.Boolean">
> <column name="IST_KURZFRISTIG" scale="1" precision="0"
> not-null="false" sql-type="NUMBER" />
> </property>
> </join>
> </class>
> problem is, that
> i have no idea how to tell xdoclet 2 that the property "istKurzfristig"
> has to be within the join tag. xdoclet always adds the property
> tag to the class tag that surrounds the join tag. Looking at the
> Join.jelly file it looks like it is not possible to add properties
> to the join table tag, which makes the join tag impossible to use
> with xdoclet 2, or did i miss something ?
> another minor problem:
> incomplete documentation : @hibernate.join-key is not documented
> at http://xdoclet.codehaus.org/HibernateTags
> however it is required if you are using @hibernate.join (error message
> tell you that the join-key is missing
> [xdoclet] 15.06.2005 16:24:18
> org.apache.commons.jelly.expression.jexl.JexlExp
> ression evaluate
> [xdoclet] WARNUNG: Caught exception evaluating:
> org.apache.commons.jexl.Expres
> [EMAIL PROTECTED] Reason: java.lang.RuntimeException: hibernate.join-key is
> requi
> red in AbstractGeschaeft at line 90
> [xdoclet] java.lang.RuntimeException: hibernate.join-key is required in
> Abstra
> ctGeschaeft at line 90
> [xdoclet] at org.generama.Plugin.assertTrue(Plugin.java:158)
> [xdoclet] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> [xdoclet] at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcces
> sorImpl.java:39)
> regards,
> Andreas
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