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 Post subject: Hibernate XML Mapping many to many join Tabelle mit Fremd S
PostPosted: Wed Jun 06, 2012 8:10 am 
Newbie

Joined: Wed Jun 06, 2012 6:12 am
Posts: 3
Hallo
Ich habe schon lange gesucht aber leider nicht gefunden.Ich habe bereit ein many zu many Beziehung zwischen zwei Tabelle A und B "gemapped" ,die Verbindungstabelle ist auch schon normal erzeugt worden A_B bis dahin ist alles ok,mein Problem ist ich mochte gern ein extra Splate in der Tabelle A_B für ein Fremd Schlüssel ein Tabelle C die mit A_B ein one to many Association bildet .Wie kann mann das in Hibernate umsetzen ?
meine Beide Mapping Datei:
Code:
<?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 01.06.2012 13:10:01 by Hibernate Tools 3.4.0.CR1 -->
<hibernate-mapping>
    <class name="com.sysberry.sqlportal.dao.Employee" table="EMPLOYEE">
        <id name="Employee_Id" type="long">
            <column name="EMPLOYEE_ID" />
            <generator class="native" />
        </id>
---
<set name="projects" table="PROJECT_EMPLOYEE" cascade="all" inverse="false" lazy="true">
            <key>
                <column name="EMPLOYEE_ID" />
            </key>
            <many-to-many class="com.sysberry.sqlportal.dao.Projects" >
             <column name="PROJECTS_ID"/>
            </many-to-many>
        </set>
    </class>
</hibernate-mapping>
<?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 01.06.2012 13:10:01 by Hibernate Tools 3.4.0.CR1 -->
<hibernate-mapping>
    <class name="com.sysberry.sqlportal.dao.Projects" table="PROJECTS">
        <id name="Projects_Id" type="long">
            <column name="PROJECTS_ID" />
            <generator class="native" />
        </id>
<set name="employee" table="PROJECT_EMPLOYEE" inverse="false" lazy="true">
            <key>
                <column name="PROJECTS_ID" />
            </key>
            <many-to-many class="com.sysberry.sqlportal.dao.Employee">
             <column name="EMPLOYEE_ID" /   >
            </many-to-many>
        </set>
    </class>
</hibernate-mapping>


Danke


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