Package com.norconex.commons.lang.map

Class MapChangeEvent<K,V>

java.lang.Object

com.norconex.commons.lang.map.MapChangeEvent<K,V>

Type Parameters:

K - the type of keys maintained by the map we are observing

V - the type of mapped values

public class MapChangeEvent<K,V>
extends Object

A event representing a change of values in an Map.

Since:

1.4

Constructor Summary

Constructors

Constructor	Description
MapChangeEvent(Map<K,V> source, K key, V oldValue, V newValue)	Creates a new event.

Method Summary

Modifier and Type	Method	Description
protected boolean	canEqual(Object other)
boolean	equals(Object o)
K	getKey()	Gets the key that has is value changed.
V	getNewValue()	Gets the new value.
V	getOldValue()	Gets the old value.
Map<K,V>	getSource()	Gets the source on which the change was applied.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

MapChangeEvent

public MapChangeEvent(Map<K,V> source,
 K key,
 V oldValue,
 V newValue)

Creates a new event.

Parameters:

source - the source on which the change was applied.

key - the key that has is value changed.

oldValue - the old value

newValue - the new value

Method Details

getSource

public Map<K,V> getSource()

Gets the source on which the change was applied.

Returns:

the source

getKey

public K getKey()

Gets the key that has is value changed.

Returns:

the key

getOldValue

public V getOldValue()

Gets the old value.

Returns:

old value

getNewValue

public V getNewValue()

Gets the new value.

Returns:

new value

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

canEqual

protected boolean canEqual(Object other)

hashCode

public int hashCode()

Overrides:

hashCode in class Object