com.ibm.commons.iloader.node
Interface DataChangeListener

public interface DataChangeListener

An interface that allows clients to listen for changes to a DataNode. Clients should register their interest in listening to a DataNode via DataChangeNotifier.addDataChangeListener(DataChangeListener).

Field Summary

static int	ITEM_INSERTED A flag used to denote an item inserted event, that is an item has been added to a collection
static int	ITEM_REMOVED A flag used to denote a deletion event, that is an item has been removed from a collection
static int	VALUE_CHANGED A flag used to denote a value changed event, that is the value of an attribute has changed

Method Summary

void	onValueChanged(java.lang.Object object, int operation, IMember member, int position) Called by the DataChangeNotifier anytime the DataNode is modified.

Field Detail

VALUE_CHANGED

static final int VALUE_CHANGED

A flag used to denote a value changed event, that is the value of an attribute has changed

See Also:

Constant Field Values

ITEM_INSERTED

static final int ITEM_INSERTED

A flag used to denote an item inserted event, that is an item has been added to a collection

See Also:

Constant Field Values

ITEM_REMOVED

static final int ITEM_REMOVED

A flag used to denote a deletion event, that is an item has been removed from a collection

See Also:

Constant Field Values

Method Detail

onValueChanged

void onValueChanged(java.lang.Object object,
                    int operation,
                    IMember member,
                    int position)

Called by the DataChangeNotifier anytime the DataNode is modified.

Parameters:

object - the object that was modified

operation - typically one of:

• VALUE_CHANGED
• ITEM_INSERTED
• ITEM_REMOVED

member - the DataNode member that changed

position - the position of the item