PersistentFieldChange (Tapestry API - 5.7.0)

All Known Implementing Classes:

PersistentFieldChangeImpl
```
public interface PersistentFieldChange
```
Represents a previously stored change to a persistent field, within the context of a particular page of the application.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`String`	`getComponentId()`	Returns the nested id of the component, or the empty string for the page's root component.
`String`	`getFieldName()`	Returns the name of the field for which a change was recorded.
`Object`	`getValue()`	Returns the new value for the field (which may be null).

- Method Detail
  - getComponentId
```
String getComponentId()
```
    Returns the nested id of the component, or the empty string for the page's root component.
  - getFieldName
```
String getFieldName()
```
    Returns the name of the field for which a change was recorded.
  - getValue
```
Object getValue()
```
    Returns the new value for the field (which may be null).