Package org.apache.tapestry5.services

# Interface PersistentFieldChange

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

  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 Details

  - ### 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).