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

Method Detail

### getComponentId

    java.lang.String getComponentId()

  Returns the nested id of the component, or the empty string for the page's root component.

### getFieldName

    java.lang.String getFieldName()

  Returns the name of the field for which a change was recorded.

### getValue

    java.lang.Object getValue()

  Returns the new value for the field (which may be null).

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