com.ibm.commons.iloader.node
Interface IObjectCollection

All Known Implementing Classes:

EmptyCollection, SingleCollection

public interface IObjectCollection

An interface which is an integral part of the Data Node architecture. This interface represents the actual Data that the Data Node operates on.

Method Summary

boolean	add(int index, java.lang.Object object, DataChangeNotifier notifier) Adds a new child to the current collection.
java.lang.Object	get(int index) Returns the item at the given index in the collection.
java.lang.Object	getParentObject() Returns the parent of the collection.
boolean	remove(int index, DataChangeNotifier notifier) Removes the child at the given index.
boolean	removeAll(DataChangeNotifier notifier) Remove all children.
boolean	set(int index, java.lang.Object object, DataChangeNotifier notifier) Sets the child at the given index.
int	size() Returns the size of the collection.

Method Detail

size

int size()

Returns the size of the collection.

Returns:

get

java.lang.Object get(int index)

Returns the item at the given index in the collection.

Parameters:

index -

Returns:

add

boolean add(int index,
            java.lang.Object object,
            DataChangeNotifier notifier)

Adds a new child to the current collection.

Parameters:

index - index at which the item should be inserted

object - the new child to insert

notifier - a listener that is to be notified of the change

Returns:

returns true if the operation succeeded.

set

boolean set(int index,
            java.lang.Object object,
            DataChangeNotifier notifier)

Sets the child at the given index. The child which previously resided at the index is OVERWRITTEN!

Parameters:

index - index at which the item should be inserted

object - the new child to insert

notifier - a listener that is to be notified of the change

Returns:

returns true if the operation succeeded.

remove

boolean remove(int index,
               DataChangeNotifier notifier)

Removes the child at the given index.

Parameters:

index - the index of the child to remove

notifier - a listener that is to be notified of the change

Returns:

returns true if the operation succeeded.

removeAll

boolean removeAll(DataChangeNotifier notifier)

Remove all children.

Parameters:

notifier - a listener that is to be notified of the change

Returns:

returns true if the operation succeeded.

getParentObject

java.lang.Object getParentObject()

Returns the parent of the collection.

Returns:

the physical object that contains this collection