When a repository item is modified, its item descriptor broadcasts locally a PropertiesChangedEvent. This event can be one of the following types:
Event Type | Description |
|---|---|
DELETE | the item was removed in this transaction |
UPDATE | properties of an item changed in this transaction |
INSERT | the item was newly added to the database |
CACHE_INVALIDATE | some application code called the |
In addition to its type, a PropertiesChangedEvent contains the following:
Property | Description |
|---|---|
| The item that is changed. This is set to null if the item that was modified is not currently in the cache. In that case, look at the |
| The repository ID of the item that is changed. |
| The item descriptor of the item that is changed. |
| A |
If you have a component that you want to be notified when repository item properties change, it can implement the atg.repository.PropertiesChangedListener interface. You can add your PropertiesChangedListener implementation to the atg.repository.ItemDescriptorImpl returned by the repository.getItemDescriptor() method, with the method ItemDescriptorImpl.addPropertiesChangedListener.
