public abstract class ChangeListenerImpl
A view object in a shared am is executed only once for one set of
bind parameters. The read only results are then cached and used by
multiple users at the same time. If the view object is auto refresh
enabled the framework provides a way to refresh this cache
when the underlying result set changes. An instance of this class
is used to register as a listener on the data provider. If the data
provider is capable of notifying the view object when the results
change, the cache will be refreshed in a safe-manner so that
users iterating over the collection are not effected.
Notify the query collection about a change event. This is an advanced
API and overriding this in a subclass is generally not recommended.
If implemented in a subclass, care should be taken while invoking
APIs that require proper context be setup in that thread.
evt - The details about the event that was generated by the data source.
Currently this argument is not used. In a future
release the framework will be able to consume an event that describes the
rows that need to be changed.