de.intarsys.tools.reflect

Class RelationHandlerAdapter

java.lang.Object

de.intarsys.tools.reflect.RelationHandlerAdapter

All Implemented Interfaces:

IRelationHandler

Direct Known Subclasses:

CollectionRelationHandler, GenericRelationHandler, MapRelationHandler, ReflectionRelationHandler

public class RelationHandlerAdapter
extends Object
implements IRelationHandler

Simple adapter for IRelationHandler

Constructor Summary

Constructors

Constructor and Description
RelationHandlerAdapter()

Method Summary

Methods

Modifier and Type	Method and Description
Object[]	get(Object owner) The objects associated with owner.
Object	getOwner(Object element) The owner associated with the element.
Object	insert(Object owner, Object value) Add a new object to the association in owner.
Object	remove(Object owner, Object value) Remove an object from the association in owner.
int	size(Object owner) The number of objects associated with owner.
Object	update(Object owner, Object value, Object newValue) Update value in the association for owner to newValue

Methods inherited from class java.lang.Object

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

Constructor Detail

RelationHandlerAdapter

public RelationHandlerAdapter()

Method Detail

get

public Object[] get(Object owner)

Description copied from interface: IRelationHandler

The objects associated with owner.

Specified by:

get in interface IRelationHandler

Returns:

The objects associated with owner.

getOwner

public Object getOwner(Object element)

Description copied from interface: IRelationHandler

The owner associated with the element. This may return null for associations that do not support inverse navigation.

Specified by:

getOwner in interface IRelationHandler

Returns:

The owner associated with the element.

insert

public Object insert(Object owner,
            Object value)

Description copied from interface: IRelationHandler

Add a new object to the association in owner.

Specified by:

insert in interface IRelationHandler

Returns:

The object inserted

remove

public Object remove(Object owner,
            Object value)

Description copied from interface: IRelationHandler

Remove an object from the association in owner.

Specified by:

remove in interface IRelationHandler

Returns:

The object removed

size

public int size(Object owner)

Description copied from interface: IRelationHandler

The number of objects associated with owner.

Specified by:

size in interface IRelationHandler

Returns:

The number of objects associated with owner.

update

public Object update(Object owner,
            Object value,
            Object newValue)

Description copied from interface: IRelationHandler

Update value in the association for owner to newValue

Specified by:

update in interface IRelationHandler

Returns:

The newly associated object