org.omnaest.utils.tuple
Class KeyValue<K,V>

java.lang.Object
  org.omnaest.utils.tuple.KeyValue<K,V>

All Implemented Interfaces:

Serializable, Tuple

public class KeyValue<K,V>
extends Object
implements Tuple

Two arguments Tuple supporting hashCode(), equals(Object) and toString() using the values of the given elements.

Author:

Omnaest

See Also:

Tuple2, Serialized Form

Field Summary

protected K	key
protected V	value

Constructor Summary

KeyValue()

KeyValue(KeyValue<K,V> keyValue)
Creates a new KeyValue instance based on the values of an already existing instance

KeyValue(K key, V value)

Method Summary

Map<K,V>	asMap() Returns a Map containing an entry based on this KeyValue
boolean	equals(Object obj)
K	getKey() Returns the key
V	getValue() Returns the value
int	hashCode()
KeyValue<V,K>	newInvertedInstance() Returns a new KeyValue instance with inverted first and second value
void	setKey(K key) Sets the key
void	setValue(V value) Sets the value
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

key

protected K key

value

protected V value

Constructor Detail

KeyValue

public KeyValue()

See Also:

KeyValue

KeyValue

public KeyValue(K key,
                V value)

Parameters:

key -

value -

See Also:

KeyValue

KeyValue

public KeyValue(KeyValue<K,V> keyValue)

Creates a new KeyValue instance based on the values of an already existing instance

Parameters:

keyValue -

See Also:

KeyValue

Method Detail

newInvertedInstance

public KeyValue<V,K> newInvertedInstance()

Returns a new KeyValue instance with inverted first and second value

Returns:

KeyValue

getKey

public K getKey()

Returns the key

Returns:

setKey

public void setKey(K key)

Sets the key

Parameters:

key -

getValue

public V getValue()

Returns the value

Returns:

setValue

public void setValue(V value)

Sets the value

Parameters:

value -

asMap

public Map<K,V> asMap()

Returns a Map containing an entry based on this KeyValue

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