org.directwebremoting.io
Interface StoreChangeListener<T>

All Superinterfaces:

java.util.EventListener

public interface StoreChangeListener<T>
extends java.util.EventListener

We sometimes need to monitor what is happening to a store and the items it contains

Author:

Joe Walker [joe at getahead dot ltd dot uk]

Method Summary

void	itemAdded(StoreProvider<T> source, Item item) Something has added an item to the store
void	itemChanged(StoreProvider<T> source, Item item, java.util.Collection<java.lang.String> changedAttributes) Something has updated an item in the store
void	itemRemoved(StoreProvider<T> source, java.lang.String itemId) Something has removed an item from the store

Method Detail

itemRemoved

void itemRemoved(StoreProvider<T> source,
                 java.lang.String itemId)

Something has removed an item from the store

Parameters:

source - The store from which it was moved

itemId - The ID of the item

itemAdded

void itemAdded(StoreProvider<T> source,
               Item item)

Something has added an item to the store

Parameters:

source - The store from which it was added

item - The thing that has changed

itemChanged

void itemChanged(StoreProvider<T> source,
                 Item item,
                 java.util.Collection<java.lang.String> changedAttributes)

Something has updated an item in the store

Parameters:

source - The store from which it was updated

item - The thing that has changed

changedAttributes - A list of changed attributes. If null then you should assume that everything has changed