Package com.norconex.commons.lang.map

# Interface MapChangeListener<K,V>

Type Parameters:
  `K` - the type of keys maintained by the map we are observing
  `V` - the type of mapped values

All Known Subinterfaces:
  `IMapChangeListener<K,V>`

Functional Interface:
  This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface public interface MapChangeListener<K,V>
Listener for `Map` changes.

Since:
  1.4, 3.0.0 (renamed from v2.x `IMapChangeListener`)
See Also:
  - `ObservableMap`
  - `MapChangeSupport`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `mapChanged(MapChangeEvent<K,V> event)`
  The observed map has changed.

- ## Method Details

  - ### mapChanged

    void mapChanged(MapChangeEvent<K,V> event)
    The observed map has changed.
    Parameters:
      `event` - change event