DataChange (Nebula NatTable 2.0.5-SNAPSHOT API)

All Known Implementing Classes:

PersistenceUpdateDataChange, RowDeleteDataChange, RowInsertDataChange, TemporaryUpdateDataChange, UpdateDataChange
```
public interface DataChange
```
Interface that specifies a data change that is tracked by the DataChangeLayer.

Since:

1.6

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`discard(DataChangeLayer layer)`	Discard the change.
`Object`	`getKey()`
`void`	`save(DataChangeLayer layer)`	Save the change.
`void`	`updateKey(Object key)`	Update the locally stored key.

- Method Detail
  - discard
```
void discard(DataChangeLayer layer)
```
    Discard the change.
    
    Parameters:
    
    layer - The DataChangeLayer used to perform index-position transformations and to trigger the necessary commands to save.
  - save
```
void save(DataChangeLayer layer)
```
    Save the change.
    
    Parameters:
    
    layer - The DataChangeLayer used to perform index-position transformations and to trigger the necessary commands to save.
  - getKey
```
Object getKey()
```
    Returns:
    
    The key used to identify the change in the backing data.
  - updateKey
```
void updateKey(Object key)
```
    Update the locally stored key. Used in case the key changed because of structural changes.
    
    Parameters:
    
    key - The updated key.