DataCollectionChangeListener (Avaya Client Services API Reference (Android))

Type Parameters:

T - The type of elements in the data collection.
```
public interface DataCollectionChangeListener<T>
```
Listener interface to be notified of changes to a data collection.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`onCollectionChanged(java.lang.Object sender, DataCollectionChangeType changeType, java.util.List<T> changedItems)`	Called whenever the contents of a data collection has changed.

- Method Detail
  - onCollectionChanged
```
void onCollectionChanged(java.lang.Object sender,
                         DataCollectionChangeType changeType,
                         java.util.List<T> changedItems)
```
    Called whenever the contents of a data collection has changed.
    
    Parameters:
    
    sender - The object whose data collection has changed.
    
    changeType - Indicates the type of change that occurred on the data collection.
    
    changedItems - The list of elements that have changed. Note that for a change type of COLLECTION_CLEARED this list will be empty.