Module javafx.base

Package javafx.collections

Interface MapChangeListener<K,V>

Type Parameters:

K - the key element type

V - the value element type

All Known Implementing Classes:

WeakMapChangeListener

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>

Interface that receives notifications of changes to an ObservableMap.

Since:

JavaFX 2.0

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	MapChangeListener.Change<K,V>	An elementary change done to an ObservableMap.

Method Summary

Modifier and Type	Method	Description
void	onChanged(MapChangeListener.Change<? extends K,? extends V> change)	Called after a change has been made to an ObservableMap.

Method Details

onChanged

void onChanged(MapChangeListener.Change<? extends K,? extends V> change)

Called after a change has been made to an ObservableMap. This method is called on every elementary change (put/remove) once. This means, complex changes like keySet().removeAll(Collection) or clear() may result in more than one call of onChanged method.

Parameters:

change - the change that was made