org.oddjob.arooa.runtime
Interface ConfigurationNodeListener

All Superinterfaces:

EventListener

public interface ConfigurationNodeListener
extends EventListener

Listen to changes in Configuration.

Author:

rob

Method Summary

void	childInserted(ConfigurationNodeEvent nodeEvent) Receive notification that a child has been inserted.
void	childRemoved(ConfigurationNodeEvent nodeEvent) Receive notification that a child has been removed.
void	insertRequest(ConfigurationNodeEvent nodeEvent) A ConfigurationNode will make a request to all listeners before inserting a node.
void	removalRequest(ConfigurationNodeEvent nodeEvent) A ConfigurationNode will make a request to all listeners before removing a node.

Method Detail

insertRequest

void insertRequest(ConfigurationNodeEvent nodeEvent)
                   throws ModificationRefusedException

A ConfigurationNode will make a request to all listeners before inserting a node.

An instance of this use is that a simple property will only allow a single child.

Parameters:

nodeEvent -

Throws:

ModificationRefusedException

removalRequest

void removalRequest(ConfigurationNodeEvent nodeEvent)
                    throws ModificationRefusedException

A ConfigurationNode will make a request to all listeners before removing a node.

Parameters:

nodeEvent -

Throws:

ModificationRefusedException

childInserted

void childInserted(ConfigurationNodeEvent nodeEvent)

Receive notification that a child has been inserted.

Parameters:

nodeEvent -

childRemoved

void childRemoved(ConfigurationNodeEvent nodeEvent)

Receive notification that a child has been removed.

Parameters:

nodeEvent -