com.sun.javafx.binding

Class MapExpressionHelper.SimpleChange<K,V>

java.lang.Object

javafx.collections.MapChangeListener.Change<K,V>

com.sun.javafx.binding.MapExpressionHelper.SimpleChange<K,V>

Enclosing class:

MapExpressionHelper<K,V>

public static class MapExpressionHelper.SimpleChange<K,V>
extends MapChangeListener.Change<K,V>

Field Summary

Fields

Modifier and Type	Field and Description
private V	added
private boolean	addOp
private K	key
private V	old
private boolean	removeOp

Constructor Summary

Constructors

Constructor and Description
SimpleChange(ObservableMap<K,V> set)
SimpleChange(ObservableMap<K,V> set, MapChangeListener.Change<? extends K,? extends V> source)

Method Summary

Modifier and Type	Method and Description
K	getKey() A key associated with the change.
V	getValueAdded() Get the new value of the key.
V	getValueRemoved() Get the old value of the key.
MapExpressionHelper.SimpleChange<K,V>	setAdded(K key, V added)
MapExpressionHelper.SimpleChange<K,V>	setPut(K key, V old, V added)
MapExpressionHelper.SimpleChange<K,V>	setRemoved(K key, V old)
java.lang.String	toString()
boolean	wasAdded() If this change is a result of add operation.
boolean	wasRemoved() If this change is a result of removal operation.

Methods inherited from class javafx.collections.MapChangeListener.Change

getMap

Methods inherited from class java.lang.Object

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

Field Detail

key

private K key

old

private V old

added

private V added

removeOp

private boolean removeOp

addOp

private boolean addOp

Constructor Detail

SimpleChange

public SimpleChange(ObservableMap<K,V> set)

SimpleChange

public SimpleChange(ObservableMap<K,V> set,
                    MapChangeListener.Change<? extends K,? extends V> source)

Method Detail

setRemoved

public MapExpressionHelper.SimpleChange<K,V> setRemoved(K key,
                                                        V old)

setAdded

public MapExpressionHelper.SimpleChange<K,V> setAdded(K key,
                                                      V added)

setPut

public MapExpressionHelper.SimpleChange<K,V> setPut(K key,
                                                    V old,
                                                    V added)

wasAdded

public boolean wasAdded()

Description copied from class: MapChangeListener.Change

If this change is a result of add operation.

Specified by:

wasAdded in class MapChangeListener.Change<K,V>

Returns:

true if a new value (or key-value) entry was added to the map

wasRemoved

public boolean wasRemoved()

Description copied from class: MapChangeListener.Change

If this change is a result of removal operation. Note that an element might be removed even as a result of put operation.

Specified by:

wasRemoved in class MapChangeListener.Change<K,V>

Returns:

true if an old value (or key-value) entry was removed from the map

getKey

public K getKey()

Description copied from class: MapChangeListener.Change

A key associated with the change. If the change is a remove change, the key no longer exist in a map. Otherwise, the key got set to a new value.

Specified by:

getKey in class MapChangeListener.Change<K,V>

Returns:

the key that changed

getValueAdded

public V getValueAdded()

Description copied from class: MapChangeListener.Change

Get the new value of the key. Return null if this is a removal.

Specified by:

getValueAdded in class MapChangeListener.Change<K,V>

Returns:

the value that is now associated with the key

getValueRemoved

public V getValueRemoved()

Description copied from class: MapChangeListener.Change

Get the old value of the key. This is null if and only if the value was added to the key that was not previously in the map.

Specified by:

getValueRemoved in class MapChangeListener.Change<K,V>

Returns:

the value previously associated with the key

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object