org.omnaest.utils.structure.map
Class MapDelta<K,V>

java.lang.Object
  org.omnaest.utils.structure.map.MapDelta<K,V>

Type Parameters:

K -

V -

public class MapDelta<K,V>
extends Object

A MapDelta will calculate the SetDelta of the Map.keySet() and the delta between the values of the retained keyset.

Author:

Omnaest

See Also:

MapUtils.delta(Map, Map), SetUtils.delta(Set, Set)

Nested Class Summary

static class

MapDelta.Values<V> Holds the value of the first and second map

Constructor Summary

MapDelta(Map<K,V> firstMap, Map<K,V> secondMap)

Method Summary

boolean	areEqual() Returns true, if the given Maps are equals(Object) in key and values
boolean	equals(Object obj)
SetDelta<K>	getKeySetDelta() Returns the SetDelta of the Map.keySet()
Map<K,V>	getRetainedKeyToEqualValueMap() Returns a Map with all retained keys between the first and second map which have not changed their value
Map<K,MapDelta.Values<V>>	getRetainedKeyToUnequalValuesMap() Returns a Map with all retained keys between the first and second map which have changed their value
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

MapDelta

public MapDelta(Map<K,V> firstMap,
                Map<K,V> secondMap)

Parameters:

firstMap -

secondMap -

See Also:

MapDelta

Method Detail

getRetainedKeyToUnequalValuesMap

public Map<K,MapDelta.Values<V>> getRetainedKeyToUnequalValuesMap()

Returns a Map with all retained keys between the first and second map which have changed their value

Returns:

See Also:

MapDelta.Values

getRetainedKeyToEqualValueMap

public Map<K,V> getRetainedKeyToEqualValueMap()

Returns a Map with all retained keys between the first and second map which have not changed their value

Returns:

getKeySetDelta

public SetDelta<K> getKeySetDelta()

Returns the SetDelta of the Map.keySet()

Returns:

See Also:

SetDelta

areEqual

public boolean areEqual()

Returns true, if the given Maps are equals(Object) in key and values

Returns:

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object