Package eu.bandm.tools.ops

Class MapStack<K,V>

java.lang.Object

java.util.AbstractMap<K,V>

eu.bandm.tools.ops.MapStack<K,V>

All Implemented Interfaces:

Map<K,V>

public class MapStack<K,V>
extends AbstractMap<K,V>

A map implementation where modifications can be undone in reverse order.

This map implementation does not support null values.

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap

AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K,V>

Constructor Summary

Constructors

Constructor	Description
MapStack()
MapStack(Map<K,V> map)

Method Summary

Modifier and Type	Method	Description
Set<Map.Entry<K,V>>	entrySet()
V	get(Object key)
void	pop()	Undo the most recent modification.
V	put(K key, V value)
V	remove(Object key)

Methods inherited from class java.util.AbstractMap

clear, clone, containsKey, containsValue, equals, hashCode, isEmpty, keySet, putAll, size, toString, values

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, forEach, getOrDefault, merge, putIfAbsent, remove, replace, replace, replaceAll

Constructor Details

MapStack

public MapStack()

MapStack

public MapStack(Map<K,V> map)

Method Details

entrySet

public Set<Map.Entry<K,V>> entrySet()

Specified by:

entrySet in interface Map<K,V>

Specified by:

entrySet in class AbstractMap<K,V>

get

public V get(Object key)

Specified by:

get in interface Map<K,V>

Overrides:

get in class AbstractMap<K,V>

put

public V put(K key,
 V value)

Specified by:

put in interface Map<K,V>

Overrides:

put in class AbstractMap<K,V>

remove

public V remove(Object key)

Specified by:

remove in interface Map<K,V>

Overrides:

remove in class AbstractMap<K,V>

pop

public void pop()

Undo the most recent modification.

See Also:

• put(K, V)
• remove(java.lang.Object)