org.apache.ojb.broker
Class MtoNImplementor

java.lang.Object
  org.apache.ojb.broker.MtoNImplementor

public class MtoNImplementor
extends Object

Helper class to handle single m:n relation entries (m:n indirection table entries).
The "left / right" notation is only used to differ both sides of the relation.

Version:

$Id: MtoNImplementor.java,v 1.1 2007-08-24 22:17:36 ewestfal Exp $

Author:

Leandro Rodrigo Saad Cruz

Field Summary

private Class	leftClass
private CollectionDescriptor	leftDescriptor
private Object	leftObject
private Class	rightClass
private Object	rightObject

Constructor Summary

MtoNImplementor(CollectionDescriptor leftDescriptor, Object left, Object right)
Deprecated.

MtoNImplementor(PersistenceBroker pb, CollectionDescriptor leftDescriptor, Object left, Object right)
Deprecated.

MtoNImplementor(PersistenceBroker pb, String leftFieldName, Object left, Object right)
Creates a new instance.

Method Summary

Class	getLeftClass() Returns the class of the left side of the m:n collection.
CollectionDescriptor	getLeftDescriptor() Returns the collection descriptor for the left side of the m:n collection.
Object	getLeftObject() Returns the object for the left side of the m:n collection.
Class	getRightClass() Returns the class of the right side of the m:n collection.
Object	getRightObject() Returns the object for the right side of the m:n collection.
private void	init(CollectionDescriptor leftDescriptor, Object left, Object right)

Methods inherited from class java.lang.Object

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

Field Detail

leftObject

private Object leftObject

rightObject

private Object rightObject

leftClass

private Class leftClass

rightClass

private Class rightClass

leftDescriptor

private CollectionDescriptor leftDescriptor

Constructor Detail

MtoNImplementor

public MtoNImplementor(PersistenceBroker pb,
                       CollectionDescriptor leftDescriptor,
                       Object left,
                       Object right)

Deprecated.

Creates a new instance.

Parameters:

pb - The currently used PersistenceBroker instance

leftDescriptor - The collection descriptor for the left side

left - The left side object

right - The right side object

MtoNImplementor

public MtoNImplementor(PersistenceBroker pb,
                       String leftFieldName,
                       Object left,
                       Object right)

Creates a new instance.

Parameters:

pb - The currently used PersistenceBroker instance

leftFieldName - Field name of the left m:n reference

left - The left side object

right - The right side object

MtoNImplementor

public MtoNImplementor(CollectionDescriptor leftDescriptor,
                       Object left,
                       Object right)

Deprecated.

Creates a new instance.

Parameters:

leftDescriptor - The collection descriptor for the left side

left - The left side object

right - The right side object

Method Detail

init

private void init(CollectionDescriptor leftDescriptor,
                  Object left,
                  Object right)

getLeftDescriptor

public CollectionDescriptor getLeftDescriptor()

Returns the collection descriptor for the left side of the m:n collection.

Returns:

The collection descriptor

getLeftClass

public Class getLeftClass()

Returns the class of the left side of the m:n collection.

Returns:

The class of the left side

getRightClass

public Class getRightClass()

Returns the class of the right side of the m:n collection.

Returns:

The class of the right side

getLeftObject

public Object getLeftObject()

Returns the object for the left side of the m:n collection.

Returns:

The object for the left side

getRightObject

public Object getRightObject()

Returns the object for the right side of the m:n collection.

Returns:

The object for the right side