PersistentFieldChange (Tapestry API - 5.7.2)

PersistentFieldChange (Tapestry API - 5.7.2)

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

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