org.apache.ojb.broker.core
Class MtoNBroker

java.lang.Object
  org.apache.ojb.broker.core.MtoNBroker

public class MtoNBroker

extends java.lang.Object

Manage all stuff related to non-decomposed M:N association.

Version:

$Id: MtoNBroker.java 365232 2005-12-21 22:36:07Z tomdz $

Author:

Thomas Mahler, Leandro Rodrigo Saad Cruz, Matthew Baird, Jakob Braeuchi, Armin Waibel

Constructor Summary

MtoNBroker(PersistenceBrokerImpl broker)

Method Summary

void	deleteMtoNImplementor(CollectionDescriptor cod, java.lang.Object obj) delete all rows from m:n table belonging to obj
void	deleteMtoNImplementor(CollectionDescriptor cod, java.lang.Object obj, java.util.Iterator collectionIterator, java.util.Collection mnKeys) deletes all rows from m:n table that are not used in relatedObjects
void	deleteMtoNImplementor(MtoNImplementor m2n)
java.util.List	getMtoNImplementor(CollectionDescriptor cod, java.lang.Object obj) get a Collection of Keys of already existing m:n rows
void	reset()
void	storeMtoNImplementor(CollectionDescriptor cod, java.lang.Object realObject, java.lang.Object otherObj, java.util.Collection mnKeys) Stores new values of a M:N association in a indirection table.
void	storeMtoNImplementor(MtoNImplementor m2n)

Methods inherited from class java.lang.Object

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

Constructor Detail

MtoNBroker

public MtoNBroker(PersistenceBrokerImpl broker)

Method Detail

reset

public void reset()

storeMtoNImplementor

public void storeMtoNImplementor(CollectionDescriptor cod,
                                 java.lang.Object realObject,
                                 java.lang.Object otherObj,
                                 java.util.Collection mnKeys)

Stores new values of a M:N association in a indirection table.

Parameters:

cod - The CollectionDescriptor for the m:n relation

realObject - The real object

otherObj - The referenced object

mnKeys - The all MtoNBroker.Key matching the real object

getMtoNImplementor

public java.util.List getMtoNImplementor(CollectionDescriptor cod,
                                         java.lang.Object obj)

get a Collection of Keys of already existing m:n rows

Parameters:

cod -

obj -

Returns:

Collection of Key

deleteMtoNImplementor

public void deleteMtoNImplementor(CollectionDescriptor cod,
                                  java.lang.Object obj)

delete all rows from m:n table belonging to obj

Parameters:

cod -

obj -

deleteMtoNImplementor

public void deleteMtoNImplementor(CollectionDescriptor cod,
                                  java.lang.Object obj,
                                  java.util.Iterator collectionIterator,
                                  java.util.Collection mnKeys)

deletes all rows from m:n table that are not used in relatedObjects

Parameters:

cod -

obj -

collectionIterator -

mnKeys -

storeMtoNImplementor

public void storeMtoNImplementor(MtoNImplementor m2n)

Parameters:

m2n -

deleteMtoNImplementor

public void deleteMtoNImplementor(MtoNImplementor m2n)

Parameters:

m2n -