The super constructor of implementors of DataFieldChangedListener.
DataFieldChangedListeners are notified whenever a data field value is changed in the data source.
Methods
data
Notifies listener that the data field value has changed.
Parameters:
| Name | Type | Description |
|---|---|---|
value |
String | The value that of the field that was changed. |
oldValue |
String | The value of the field before the data was changed. This value will be
|
tradeData |
Map | Map of the values changed in this update. |
updateId |
int | Identifier that can be used to determine which update batch this notification belongs to. |