org.castor.cpa.persistence.sql.engine
Class SQLRelationLoader

java.lang.Object
  org.castor.cpa.persistence.sql.engine.SQLRelationLoader

public final class SQLRelationLoader
extends Object

SQLRelationLoader is a quick hack for creating and removing relation from a many-to-many relation database from ClassMolder. Eventually, it will be merged into SQLEngine. But, it requires changing of the Persistence interface.

Version:

$Revision: 8994 $ $Date: 2011-08-02 01:40:59 +0200 (Di, 02 Aug 2011) $

Author:

Thomas Yip, Ralf Joachim, Johannes Venzke

Constructor Summary

SQLRelationLoader(RelationTableInfo relation)
Create class to handle n-to-m relations of two tables.

Method Summary

void	createRelation(CastorConnection conn, Identity left, Identity right)
void	deleteRelation(CastorConnection conn, Identity left)
void	deleteRelation(CastorConnection conn, Identity left, Identity right)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SQLRelationLoader

public SQLRelationLoader(RelationTableInfo relation)

Create class to handle n-to-m relations of two tables.

Parameters:

relation - The relation table.

Method Detail

createRelation

public void createRelation(CastorConnection conn,
                           Identity left,
                           Identity right)
                    throws PersistenceException

Throws:

PersistenceException

deleteRelation

public void deleteRelation(CastorConnection conn,
                           Identity left)
                    throws PersistenceException

Throws:

PersistenceException

deleteRelation

public void deleteRelation(CastorConnection conn,
                           Identity left,
                           Identity right)
                    throws PersistenceException

Throws:

PersistenceException