Package org.okkam.awesome.utils

Class OkkamMaps

java.lang.Object

org.okkam.awesome.utils.OkkamMaps

public class OkkamMaps
extends Object

Method Summary

Modifier and Type	Method	Description
static <K,V> Map<K,V>	putIfNotExists(Map<K,V> map, K key, V value)	Put an element into the map if it the key does not exists.
static <V> List<V>	valuesToList(Map<?,V> map)	Return the list composed by the values of the map.

Methods inherited from class java.lang.Object

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

Method Detail

valuesToList

public static <V> List<V> valuesToList(Map<?,V> map)

Return the list composed by the values of the map.

Type Parameters:

V - The map value type

Parameters:

map - The input map

Returns:

The List composed by the value set of the map

putIfNotExists

public static <K,V> Map<K,V> putIfNotExists(Map<K,V> map,
                                                        K key,
                                                        V value)

Put an element into the map if it the key does not exists.

Type Parameters:

K - The map key type

V - The map value type

Parameters:

map - The map

key - The key

value - The value

Returns:

The input map