java.beans

## Class IndexedPropertyChangeEvent

- java.lang.Object
- - java.util.EventObject
  - - java.beans.PropertyChangeEvent
    - - java.beans.IndexedPropertyChangeEvent

- All Implemented Interfaces:
    Serializable

      public class IndexedPropertyChangeEvent
      extends PropertyChangeEvent

  An "IndexedPropertyChange" event gets delivered whenever a component that conforms to the JavaBeans specification (a "bean") changes a bound indexed property. This class is an extension of `PropertyChangeEvent` but contains the index of the property that has changed.

  Null values may be provided for the old and the new values if their true values are not known.

  An event source may send a null object as the name to indicate that an arbitrary set of if its properties have changed. In this case the old and new values should also be null.

  Since:
    1.5
  See Also:
    Serialized Form

- - ### Field Summary

    - ### Fields inherited from class java.util.EventObject

      `source`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `IndexedPropertyChangeEvent(Object source, String propertyName, Object oldValue, Object newValue, int index)` Constructs a new `IndexedPropertyChangeEvent` object.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `int` | `getIndex()` Gets the index of the property that was changed.

    - ### Methods inherited from class java.beans.PropertyChangeEvent

      `getNewValue, getOldValue, getPropagationId, getPropertyName, setPropagationId`

    - ### Methods inherited from class java.util.EventObject

      `getSource, toString`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

- - ### Constructor Detail

    - #### IndexedPropertyChangeEvent

          public IndexedPropertyChangeEvent(Object source,
                                    String propertyName,
                                    Object oldValue,
                                    Object newValue,
                                    int index)

      Constructs a new `IndexedPropertyChangeEvent` object.
      Parameters:
        `source` - The bean that fired the event.
        `propertyName` - The programmatic name of the property that was changed.
        `oldValue` - The old value of the property.
        `newValue` - The new value of the property.
        `index` - index of the property element that was changed.

  - ### Method Detail

    - #### getIndex

          public int getIndex()

      Gets the index of the property that was changed.
      Returns:
        The index specifying the property element that was changed.

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