add LinkedTemporaryItem to link Player->K->V without making 2 maps each time

Plugins/Mineplex.StaffServer/src/mineplex/staffServer/LinkedTemporaryItem.java

@@ -0,0 +1,45 @@
+package mineplex.staffServer;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.bukkit.entity.Player;
+
+public class LinkedTemporaryItem<K, V>
+{
+	private Map<K, V> _primaryMap;
+	private Map<Player, K> _playerMap;
+
+	public LinkedTemporaryItem()
+	{
+		_primaryMap = new HashMap<>();
+		_playerMap = new HashMap<>();
+	}
+
+	public boolean remove(Player player)
+	{
+		if (_playerMap.containsKey(player))
+		{
+			_primaryMap.remove(_playerMap.remove(player));
+			return true;
+		}
+
+		return false;
+	}
+
+	public Map<K, V> getPrimaryMap()
+	{
+		return _primaryMap;
+	}
+
+	public void put(Player player, K key, V value)
+	{
+		_playerMap.put(player, key);
+		_primaryMap.put(key, value);
+	}
+
+	public V get(K key)
+	{
+		return getPrimaryMap().get(key);
+	}
+}