Use simple array to store item armor set data.

L2J_Mobius_1.0_Ertheia/java/org/l2jmobius/gameserver/data/xml/impl/ArmorSetData.java

@@ -51,6 +51,7 @@ public class ArmorSetData implements IXmlReader
 	
 	private ArmorSet[] _armorSets;
 	private final Map<Integer, ArmorSet> _armorSetMap = new HashMap<>();
+	private List<ArmorSet>[] _itemSets;
 	private final Map<Integer, List<ArmorSet>> _armorSetItems = new HashMap<>();
 	
 	protected ArmorSetData()
@@ -59,6 +60,7 @@ public class ArmorSetData implements IXmlReader
 	}
 	
 	@Override
+	@SuppressWarnings("unchecked")
 	public void load()
 	{
 		parseDatapackDirectory("data/stats/armorsets", false);
@@ -69,8 +71,15 @@ public class ArmorSetData implements IXmlReader
 			_armorSets[armorSet.getKey()] = armorSet.getValue();
 		}
 		
+		_itemSets = new ArrayList[Collections.max(_armorSetItems.keySet()) + 1];
+		for (Entry<Integer, List<ArmorSet>> armorSet : _armorSetItems.entrySet())
+		{
+			_itemSets[armorSet.getKey()] = armorSet.getValue();
+		}
+		
 		LOGGER.info(getClass().getSimpleName() + ": Loaded " + _armorSetMap.size() + " armor sets.");
 		_armorSetMap.clear();
+		_armorSetItems.clear();
 	}
 	
 	@Override
@@ -189,7 +198,15 @@ public class ArmorSetData implements IXmlReader
 	 */
 	public List<ArmorSet> getSets(int itemId)
 	{
-		return _armorSetItems.getOrDefault(itemId, Collections.emptyList());
+		if (_itemSets.length >= itemId)
+		{
+			final List<ArmorSet> sets = _itemSets[itemId];
+			if (sets != null)
+			{
+				return sets;
+			}
+		}
+		return Collections.emptyList();
 	}
 	
 	/**

L2J_Mobius_2.5_Underground/java/org/l2jmobius/gameserver/data/xml/impl/ArmorSetData.java

@@ -51,6 +51,7 @@ public class ArmorSetData implements IXmlReader
 	
 	private ArmorSet[] _armorSets;
 	private final Map<Integer, ArmorSet> _armorSetMap = new HashMap<>();
+	private List<ArmorSet>[] _itemSets;
 	private final Map<Integer, List<ArmorSet>> _armorSetItems = new HashMap<>();
 	
 	protected ArmorSetData()
@@ -59,6 +60,7 @@ public class ArmorSetData implements IXmlReader
 	}
 	
 	@Override
+	@SuppressWarnings("unchecked")
 	public void load()
 	{
 		parseDatapackDirectory("data/stats/armorsets", false);
@@ -69,8 +71,15 @@ public class ArmorSetData implements IXmlReader
 			_armorSets[armorSet.getKey()] = armorSet.getValue();
 		}
 		
+		_itemSets = new ArrayList[Collections.max(_armorSetItems.keySet()) + 1];
+		for (Entry<Integer, List<ArmorSet>> armorSet : _armorSetItems.entrySet())
+		{
+			_itemSets[armorSet.getKey()] = armorSet.getValue();
+		}
+		
 		LOGGER.info(getClass().getSimpleName() + ": Loaded " + _armorSetMap.size() + " armor sets.");
 		_armorSetMap.clear();
+		_armorSetItems.clear();
 	}
 	
 	@Override
@@ -189,7 +198,15 @@ public class ArmorSetData implements IXmlReader
 	 */
 	public List<ArmorSet> getSets(int itemId)
 	{
-		return _armorSetItems.getOrDefault(itemId, Collections.emptyList());
+		if (_itemSets.length >= itemId)
+		{
+			final List<ArmorSet> sets = _itemSets[itemId];
+			if (sets != null)
+			{
+				return sets;
+			}
+		}
+		return Collections.emptyList();
 	}
 	
 	/**

L2J_Mobius_3.0_Helios/java/org/l2jmobius/gameserver/data/xml/impl/ArmorSetData.java

@@ -51,6 +51,7 @@ public class ArmorSetData implements IXmlReader
 	
 	private ArmorSet[] _armorSets;
 	private final Map<Integer, ArmorSet> _armorSetMap = new HashMap<>();
+	private List<ArmorSet>[] _itemSets;
 	private final Map<Integer, List<ArmorSet>> _armorSetItems = new HashMap<>();
 	
 	protected ArmorSetData()
@@ -59,6 +60,7 @@ public class ArmorSetData implements IXmlReader
 	}
 	
 	@Override
+	@SuppressWarnings("unchecked")
 	public void load()
 	{
 		parseDatapackDirectory("data/stats/armorsets", false);
@@ -69,8 +71,15 @@ public class ArmorSetData implements IXmlReader
 			_armorSets[armorSet.getKey()] = armorSet.getValue();
 		}
 		
+		_itemSets = new ArrayList[Collections.max(_armorSetItems.keySet()) + 1];
+		for (Entry<Integer, List<ArmorSet>> armorSet : _armorSetItems.entrySet())
+		{
+			_itemSets[armorSet.getKey()] = armorSet.getValue();
+		}
+		
 		LOGGER.info(getClass().getSimpleName() + ": Loaded " + _armorSetMap.size() + " armor sets.");
 		_armorSetMap.clear();
+		_armorSetItems.clear();
 	}
 	
 	@Override
@@ -189,7 +198,15 @@ public class ArmorSetData implements IXmlReader
 	 */
 	public List<ArmorSet> getSets(int itemId)
 	{
-		return _armorSetItems.getOrDefault(itemId, Collections.emptyList());
+		if (_itemSets.length >= itemId)
+		{
+			final List<ArmorSet> sets = _itemSets[itemId];
+			if (sets != null)
+			{
+				return sets;
+			}
+		}
+		return Collections.emptyList();
 	}
 	
 	/**

L2J_Mobius_4.0_GrandCrusade/java/org/l2jmobius/gameserver/data/xml/impl/ArmorSetData.java

@@ -51,6 +51,7 @@ public class ArmorSetData implements IXmlReader
 	
 	private ArmorSet[] _armorSets;
 	private final Map<Integer, ArmorSet> _armorSetMap = new HashMap<>();
+	private List<ArmorSet>[] _itemSets;
 	private final Map<Integer, List<ArmorSet>> _armorSetItems = new HashMap<>();
 	
 	protected ArmorSetData()
@@ -59,6 +60,7 @@ public class ArmorSetData implements IXmlReader
 	}
 	
 	@Override
+	@SuppressWarnings("unchecked")
 	public void load()
 	{
 		parseDatapackDirectory("data/stats/armorsets", false);
@@ -69,8 +71,15 @@ public class ArmorSetData implements IXmlReader
 			_armorSets[armorSet.getKey()] = armorSet.getValue();
 		}
 		
+		_itemSets = new ArrayList[Collections.max(_armorSetItems.keySet()) + 1];
+		for (Entry<Integer, List<ArmorSet>> armorSet : _armorSetItems.entrySet())
+		{
+			_itemSets[armorSet.getKey()] = armorSet.getValue();
+		}
+		
 		LOGGER.info(getClass().getSimpleName() + ": Loaded " + _armorSetMap.size() + " armor sets.");
 		_armorSetMap.clear();
+		_armorSetItems.clear();
 	}
 	
 	@Override
@@ -189,7 +198,15 @@ public class ArmorSetData implements IXmlReader
 	 */
 	public List<ArmorSet> getSets(int itemId)
 	{
-		return _armorSetItems.getOrDefault(itemId, Collections.emptyList());
+		if (_itemSets.length >= itemId)
+		{
+			final List<ArmorSet> sets = _itemSets[itemId];
+			if (sets != null)
+			{
+				return sets;
+			}
+		}
+		return Collections.emptyList();
 	}
 	
 	/**

L2J_Mobius_5.0_Salvation/java/org/l2jmobius/gameserver/data/xml/impl/ArmorSetData.java

@@ -51,6 +51,7 @@ public class ArmorSetData implements IXmlReader
 	
 	private ArmorSet[] _armorSets;
 	private final Map<Integer, ArmorSet> _armorSetMap = new HashMap<>();
+	private List<ArmorSet>[] _itemSets;
 	private final Map<Integer, List<ArmorSet>> _armorSetItems = new HashMap<>();
 	
 	protected ArmorSetData()
@@ -59,6 +60,7 @@ public class ArmorSetData implements IXmlReader
 	}
 	
 	@Override
+	@SuppressWarnings("unchecked")
 	public void load()
 	{
 		parseDatapackDirectory("data/stats/armorsets", false);
@@ -69,8 +71,15 @@ public class ArmorSetData implements IXmlReader
 			_armorSets[armorSet.getKey()] = armorSet.getValue();
 		}
 		
+		_itemSets = new ArrayList[Collections.max(_armorSetItems.keySet()) + 1];
+		for (Entry<Integer, List<ArmorSet>> armorSet : _armorSetItems.entrySet())
+		{
+			_itemSets[armorSet.getKey()] = armorSet.getValue();
+		}
+		
 		LOGGER.info(getClass().getSimpleName() + ": Loaded " + _armorSetMap.size() + " armor sets.");
 		_armorSetMap.clear();
+		_armorSetItems.clear();
 	}
 	
 	@Override
@@ -189,7 +198,15 @@ public class ArmorSetData implements IXmlReader
 	 */
 	public List<ArmorSet> getSets(int itemId)
 	{
-		return _armorSetItems.getOrDefault(itemId, Collections.emptyList());
+		if (_itemSets.length >= itemId)
+		{
+			final List<ArmorSet> sets = _itemSets[itemId];
+			if (sets != null)
+			{
+				return sets;
+			}
+		}
+		return Collections.emptyList();
 	}
 	
 	/**

L2J_Mobius_5.5_EtinasFate/java/org/l2jmobius/gameserver/data/xml/impl/ArmorSetData.java

@@ -51,6 +51,7 @@ public class ArmorSetData implements IXmlReader
 	
 	private ArmorSet[] _armorSets;
 	private final Map<Integer, ArmorSet> _armorSetMap = new HashMap<>();
+	private List<ArmorSet>[] _itemSets;
 	private final Map<Integer, List<ArmorSet>> _armorSetItems = new HashMap<>();
 	
 	protected ArmorSetData()
@@ -59,6 +60,7 @@ public class ArmorSetData implements IXmlReader
 	}
 	
 	@Override
+	@SuppressWarnings("unchecked")
 	public void load()
 	{
 		parseDatapackDirectory("data/stats/armorsets", false);
@@ -69,8 +71,15 @@ public class ArmorSetData implements IXmlReader
 			_armorSets[armorSet.getKey()] = armorSet.getValue();
 		}
 		
+		_itemSets = new ArrayList[Collections.max(_armorSetItems.keySet()) + 1];
+		for (Entry<Integer, List<ArmorSet>> armorSet : _armorSetItems.entrySet())
+		{
+			_itemSets[armorSet.getKey()] = armorSet.getValue();
+		}
+		
 		LOGGER.info(getClass().getSimpleName() + ": Loaded " + _armorSetMap.size() + " armor sets.");
 		_armorSetMap.clear();
+		_armorSetItems.clear();
 	}
 	
 	@Override
@@ -191,7 +200,15 @@ public class ArmorSetData implements IXmlReader
 	 */
 	public List<ArmorSet> getSets(int itemId)
 	{
-		return _armorSetItems.getOrDefault(itemId, Collections.emptyList());
+		if (_itemSets.length >= itemId)
+		{
+			final List<ArmorSet> sets = _itemSets[itemId];
+			if (sets != null)
+			{
+				return sets;
+			}
+		}
+		return Collections.emptyList();
 	}
 	
 	/**

L2J_Mobius_6.0_Fafurion/java/org/l2jmobius/gameserver/data/xml/impl/ArmorSetData.java

@@ -51,6 +51,7 @@ public class ArmorSetData implements IXmlReader
 	
 	private ArmorSet[] _armorSets;
 	private final Map<Integer, ArmorSet> _armorSetMap = new HashMap<>();
+	private List<ArmorSet>[] _itemSets;
 	private final Map<Integer, List<ArmorSet>> _armorSetItems = new HashMap<>();
 	
 	protected ArmorSetData()
@@ -59,6 +60,7 @@ public class ArmorSetData implements IXmlReader
 	}
 	
 	@Override
+	@SuppressWarnings("unchecked")
 	public void load()
 	{
 		parseDatapackDirectory("data/stats/armorsets", false);
@@ -69,8 +71,15 @@ public class ArmorSetData implements IXmlReader
 			_armorSets[armorSet.getKey()] = armorSet.getValue();
 		}
 		
+		_itemSets = new ArrayList[Collections.max(_armorSetItems.keySet()) + 1];
+		for (Entry<Integer, List<ArmorSet>> armorSet : _armorSetItems.entrySet())
+		{
+			_itemSets[armorSet.getKey()] = armorSet.getValue();
+		}
+		
 		LOGGER.info(getClass().getSimpleName() + ": Loaded " + _armorSetMap.size() + " armor sets.");
 		_armorSetMap.clear();
+		_armorSetItems.clear();
 	}
 	
 	@Override
@@ -191,7 +200,15 @@ public class ArmorSetData implements IXmlReader
 	 */
 	public List<ArmorSet> getSets(int itemId)
 	{
-		return _armorSetItems.getOrDefault(itemId, Collections.emptyList());
+		if (_itemSets.length >= itemId)
+		{
+			final List<ArmorSet> sets = _itemSets[itemId];
+			if (sets != null)
+			{
+				return sets;
+			}
+		}
+		return Collections.emptyList();
 	}
 	
 	/**

L2J_Mobius_7.0_PreludeOfWar/java/org/l2jmobius/gameserver/data/xml/impl/ArmorSetData.java

@@ -51,6 +51,7 @@ public class ArmorSetData implements IXmlReader
 	
 	private ArmorSet[] _armorSets;
 	private final Map<Integer, ArmorSet> _armorSetMap = new HashMap<>();
+	private List<ArmorSet>[] _itemSets;
 	private final Map<Integer, List<ArmorSet>> _armorSetItems = new HashMap<>();
 	
 	protected ArmorSetData()
@@ -59,6 +60,7 @@ public class ArmorSetData implements IXmlReader
 	}
 	
 	@Override
+	@SuppressWarnings("unchecked")
 	public void load()
 	{
 		parseDatapackDirectory("data/stats/armorsets", false);
@@ -69,8 +71,15 @@ public class ArmorSetData implements IXmlReader
 			_armorSets[armorSet.getKey()] = armorSet.getValue();
 		}
 		
+		_itemSets = new ArrayList[Collections.max(_armorSetItems.keySet()) + 1];
+		for (Entry<Integer, List<ArmorSet>> armorSet : _armorSetItems.entrySet())
+		{
+			_itemSets[armorSet.getKey()] = armorSet.getValue();
+		}
+		
 		LOGGER.info(getClass().getSimpleName() + ": Loaded " + _armorSetMap.size() + " armor sets.");
 		_armorSetMap.clear();
+		_armorSetItems.clear();
 	}
 	
 	@Override
@@ -191,7 +200,15 @@ public class ArmorSetData implements IXmlReader
 	 */
 	public List<ArmorSet> getSets(int itemId)
 	{
-		return _armorSetItems.getOrDefault(itemId, Collections.emptyList());
+		if (_itemSets.length >= itemId)
+		{
+			final List<ArmorSet> sets = _itemSets[itemId];
+			if (sets != null)
+			{
+				return sets;
+			}
+		}
+		return Collections.emptyList();
 	}
 	
 	/**

L2J_Mobius_8.0_Homunculus/java/org/l2jmobius/gameserver/data/xml/impl/ArmorSetData.java

@@ -51,6 +51,7 @@ public class ArmorSetData implements IXmlReader
 	
 	private ArmorSet[] _armorSets;
 	private final Map<Integer, ArmorSet> _armorSetMap = new HashMap<>();
+	private List<ArmorSet>[] _itemSets;
 	private final Map<Integer, List<ArmorSet>> _armorSetItems = new HashMap<>();
 	
 	protected ArmorSetData()
@@ -59,6 +60,7 @@ public class ArmorSetData implements IXmlReader
 	}
 	
 	@Override
+	@SuppressWarnings("unchecked")
 	public void load()
 	{
 		parseDatapackDirectory("data/stats/armorsets", false);
@@ -69,8 +71,15 @@ public class ArmorSetData implements IXmlReader
 			_armorSets[armorSet.getKey()] = armorSet.getValue();
 		}
 		
+		_itemSets = new ArrayList[Collections.max(_armorSetItems.keySet()) + 1];
+		for (Entry<Integer, List<ArmorSet>> armorSet : _armorSetItems.entrySet())
+		{
+			_itemSets[armorSet.getKey()] = armorSet.getValue();
+		}
+		
 		LOGGER.info(getClass().getSimpleName() + ": Loaded " + _armorSetMap.size() + " armor sets.");
 		_armorSetMap.clear();
+		_armorSetItems.clear();
 	}
 	
 	@Override
@@ -191,7 +200,15 @@ public class ArmorSetData implements IXmlReader
 	 */
 	public List<ArmorSet> getSets(int itemId)
 	{
-		return _armorSetItems.getOrDefault(itemId, Collections.emptyList());
+		if (_itemSets.length >= itemId)
+		{
+			final List<ArmorSet> sets = _itemSets[itemId];
+			if (sets != null)
+			{
+				return sets;
+			}
+		}
+		return Collections.emptyList();
 	}
 	
 	/**

L2J_Mobius_Classic_2.0_Saviors/java/org/l2jmobius/gameserver/data/xml/impl/ArmorSetData.java

@@ -51,6 +51,7 @@ public class ArmorSetData implements IXmlReader
 	
 	private ArmorSet[] _armorSets;
 	private final Map<Integer, ArmorSet> _armorSetMap = new HashMap<>();
+	private List<ArmorSet>[] _itemSets;
 	private final Map<Integer, List<ArmorSet>> _armorSetItems = new HashMap<>();
 	
 	protected ArmorSetData()
@@ -59,6 +60,7 @@ public class ArmorSetData implements IXmlReader
 	}
 	
 	@Override
+	@SuppressWarnings("unchecked")
 	public void load()
 	{
 		parseDatapackDirectory("data/stats/armorsets", false);
@@ -69,8 +71,15 @@ public class ArmorSetData implements IXmlReader
 			_armorSets[armorSet.getKey()] = armorSet.getValue();
 		}
 		
+		_itemSets = new ArrayList[Collections.max(_armorSetItems.keySet()) + 1];
+		for (Entry<Integer, List<ArmorSet>> armorSet : _armorSetItems.entrySet())
+		{
+			_itemSets[armorSet.getKey()] = armorSet.getValue();
+		}
+		
 		LOGGER.info(getClass().getSimpleName() + ": Loaded " + _armorSetMap.size() + " armor sets.");
 		_armorSetMap.clear();
+		_armorSetItems.clear();
 	}
 	
 	@Override
@@ -189,7 +198,15 @@ public class ArmorSetData implements IXmlReader
 	 */
 	public List<ArmorSet> getSets(int itemId)
 	{
-		return _armorSetItems.getOrDefault(itemId, Collections.emptyList());
+		if (_itemSets.length >= itemId)
+		{
+			final List<ArmorSet> sets = _itemSets[itemId];
+			if (sets != null)
+			{
+				return sets;
+			}
+		}
+		return Collections.emptyList();
 	}
 	
 	/**

L2J_Mobius_Classic_2.1_Zaken/java/org/l2jmobius/gameserver/data/xml/impl/ArmorSetData.java

@@ -51,6 +51,7 @@ public class ArmorSetData implements IXmlReader
 	
 	private ArmorSet[] _armorSets;
 	private final Map<Integer, ArmorSet> _armorSetMap = new HashMap<>();
+	private List<ArmorSet>[] _itemSets;
 	private final Map<Integer, List<ArmorSet>> _armorSetItems = new HashMap<>();
 	
 	protected ArmorSetData()
@@ -59,6 +60,7 @@ public class ArmorSetData implements IXmlReader
 	}
 	
 	@Override
+	@SuppressWarnings("unchecked")
 	public void load()
 	{
 		parseDatapackDirectory("data/stats/armorsets", false);
@@ -69,8 +71,15 @@ public class ArmorSetData implements IXmlReader
 			_armorSets[armorSet.getKey()] = armorSet.getValue();
 		}
 		
+		_itemSets = new ArrayList[Collections.max(_armorSetItems.keySet()) + 1];
+		for (Entry<Integer, List<ArmorSet>> armorSet : _armorSetItems.entrySet())
+		{
+			_itemSets[armorSet.getKey()] = armorSet.getValue();
+		}
+		
 		LOGGER.info(getClass().getSimpleName() + ": Loaded " + _armorSetMap.size() + " armor sets.");
 		_armorSetMap.clear();
+		_armorSetItems.clear();
 	}
 	
 	@Override
@@ -189,7 +198,15 @@ public class ArmorSetData implements IXmlReader
 	 */
 	public List<ArmorSet> getSets(int itemId)
 	{
-		return _armorSetItems.getOrDefault(itemId, Collections.emptyList());
+		if (_itemSets.length >= itemId)
+		{
+			final List<ArmorSet> sets = _itemSets[itemId];
+			if (sets != null)
+			{
+				return sets;
+			}
+		}
+		return Collections.emptyList();
 	}
 	
 	/**

L2J_Mobius_Classic_2.2_Antharas/java/org/l2jmobius/gameserver/data/xml/impl/ArmorSetData.java

@@ -51,6 +51,7 @@ public class ArmorSetData implements IXmlReader
 	
 	private ArmorSet[] _armorSets;
 	private final Map<Integer, ArmorSet> _armorSetMap = new HashMap<>();
+	private List<ArmorSet>[] _itemSets;
 	private final Map<Integer, List<ArmorSet>> _armorSetItems = new HashMap<>();
 	
 	protected ArmorSetData()
@@ -59,6 +60,7 @@ public class ArmorSetData implements IXmlReader
 	}
 	
 	@Override
+	@SuppressWarnings("unchecked")
 	public void load()
 	{
 		parseDatapackDirectory("data/stats/armorsets", false);
@@ -69,8 +71,15 @@ public class ArmorSetData implements IXmlReader
 			_armorSets[armorSet.getKey()] = armorSet.getValue();
 		}
 		
+		_itemSets = new ArrayList[Collections.max(_armorSetItems.keySet()) + 1];
+		for (Entry<Integer, List<ArmorSet>> armorSet : _armorSetItems.entrySet())
+		{
+			_itemSets[armorSet.getKey()] = armorSet.getValue();
+		}
+		
 		LOGGER.info(getClass().getSimpleName() + ": Loaded " + _armorSetMap.size() + " armor sets.");
 		_armorSetMap.clear();
+		_armorSetItems.clear();
 	}
 	
 	@Override
@@ -189,7 +198,15 @@ public class ArmorSetData implements IXmlReader
 	 */
 	public List<ArmorSet> getSets(int itemId)
 	{
-		return _armorSetItems.getOrDefault(itemId, Collections.emptyList());
+		if (_itemSets.length >= itemId)
+		{
+			final List<ArmorSet> sets = _itemSets[itemId];
+			if (sets != null)
+			{
+				return sets;
+			}
+		}
+		return Collections.emptyList();
 	}
 	
 	/**

L2J_Mobius_Classic_2.3_SevenSigns/java/org/l2jmobius/gameserver/data/xml/impl/ArmorSetData.java

@@ -51,6 +51,7 @@ public class ArmorSetData implements IXmlReader
 	
 	private ArmorSet[] _armorSets;
 	private final Map<Integer, ArmorSet> _armorSetMap = new HashMap<>();
+	private List<ArmorSet>[] _itemSets;
 	private final Map<Integer, List<ArmorSet>> _armorSetItems = new HashMap<>();
 	
 	protected ArmorSetData()
@@ -59,6 +60,7 @@ public class ArmorSetData implements IXmlReader
 	}
 	
 	@Override
+	@SuppressWarnings("unchecked")
 	public void load()
 	{
 		parseDatapackDirectory("data/stats/armorsets", false);
@@ -69,8 +71,15 @@ public class ArmorSetData implements IXmlReader
 			_armorSets[armorSet.getKey()] = armorSet.getValue();
 		}
 		
+		_itemSets = new ArrayList[Collections.max(_armorSetItems.keySet()) + 1];
+		for (Entry<Integer, List<ArmorSet>> armorSet : _armorSetItems.entrySet())
+		{
+			_itemSets[armorSet.getKey()] = armorSet.getValue();
+		}
+		
 		LOGGER.info(getClass().getSimpleName() + ": Loaded " + _armorSetMap.size() + " armor sets.");
 		_armorSetMap.clear();
+		_armorSetItems.clear();
 	}
 	
 	@Override
@@ -191,7 +200,15 @@ public class ArmorSetData implements IXmlReader
 	 */
 	public List<ArmorSet> getSets(int itemId)
 	{
-		return _armorSetItems.getOrDefault(itemId, Collections.emptyList());
+		if (_itemSets.length >= itemId)
+		{
+			final List<ArmorSet> sets = _itemSets[itemId];
+			if (sets != null)
+			{
+				return sets;
+			}
+		}
+		return Collections.emptyList();
 	}
 	
 	/**

L2J_Mobius_Classic_2.4_SecretOfEmpire/java/org/l2jmobius/gameserver/data/xml/impl/ArmorSetData.java

@@ -51,6 +51,7 @@ public class ArmorSetData implements IXmlReader
 	
 	private ArmorSet[] _armorSets;
 	private final Map<Integer, ArmorSet> _armorSetMap = new HashMap<>();
+	private List<ArmorSet>[] _itemSets;
 	private final Map<Integer, List<ArmorSet>> _armorSetItems = new HashMap<>();
 	
 	protected ArmorSetData()
@@ -59,6 +60,7 @@ public class ArmorSetData implements IXmlReader
 	}
 	
 	@Override
+	@SuppressWarnings("unchecked")
 	public void load()
 	{
 		parseDatapackDirectory("data/stats/armorsets", false);
@@ -69,8 +71,15 @@ public class ArmorSetData implements IXmlReader
 			_armorSets[armorSet.getKey()] = armorSet.getValue();
 		}
 		
+		_itemSets = new ArrayList[Collections.max(_armorSetItems.keySet()) + 1];
+		for (Entry<Integer, List<ArmorSet>> armorSet : _armorSetItems.entrySet())
+		{
+			_itemSets[armorSet.getKey()] = armorSet.getValue();
+		}
+		
 		LOGGER.info(getClass().getSimpleName() + ": Loaded " + _armorSetMap.size() + " armor sets.");
 		_armorSetMap.clear();
+		_armorSetItems.clear();
 	}
 	
 	@Override
@@ -191,7 +200,15 @@ public class ArmorSetData implements IXmlReader
 	 */
 	public List<ArmorSet> getSets(int itemId)
 	{
-		return _armorSetItems.getOrDefault(itemId, Collections.emptyList());
+		if (_itemSets.length >= itemId)
+		{
+			final List<ArmorSet> sets = _itemSets[itemId];
+			if (sets != null)
+			{
+				return sets;
+			}
+		}
+		return Collections.emptyList();
 	}
 	
 	/**

L2J_Mobius_Classic_3.0_TheKamael/java/org/l2jmobius/gameserver/data/xml/impl/ArmorSetData.java

@@ -51,6 +51,7 @@ public class ArmorSetData implements IXmlReader
 	
 	private ArmorSet[] _armorSets;
 	private final Map<Integer, ArmorSet> _armorSetMap = new HashMap<>();
+	private List<ArmorSet>[] _itemSets;
 	private final Map<Integer, List<ArmorSet>> _armorSetItems = new HashMap<>();
 	
 	protected ArmorSetData()
@@ -59,6 +60,7 @@ public class ArmorSetData implements IXmlReader
 	}
 	
 	@Override
+	@SuppressWarnings("unchecked")
 	public void load()
 	{
 		parseDatapackDirectory("data/stats/armorsets", false);
@@ -69,8 +71,15 @@ public class ArmorSetData implements IXmlReader
 			_armorSets[armorSet.getKey()] = armorSet.getValue();
 		}
 		
+		_itemSets = new ArrayList[Collections.max(_armorSetItems.keySet()) + 1];
+		for (Entry<Integer, List<ArmorSet>> armorSet : _armorSetItems.entrySet())
+		{
+			_itemSets[armorSet.getKey()] = armorSet.getValue();
+		}
+		
 		LOGGER.info(getClass().getSimpleName() + ": Loaded " + _armorSetMap.size() + " armor sets.");
 		_armorSetMap.clear();
+		_armorSetItems.clear();
 	}
 	
 	@Override
@@ -191,7 +200,15 @@ public class ArmorSetData implements IXmlReader
 	 */
 	public List<ArmorSet> getSets(int itemId)
 	{
-		return _armorSetItems.getOrDefault(itemId, Collections.emptyList());
+		if (_itemSets.length >= itemId)
+		{
+			final List<ArmorSet> sets = _itemSets[itemId];
+			if (sets != null)
+			{
+				return sets;
+			}
+		}
+		return Collections.emptyList();
 	}
 	
 	/**

L2J_Mobius_Classic_Interlude/java/org/l2jmobius/gameserver/data/xml/impl/ArmorSetData.java

@@ -51,6 +51,7 @@ public class ArmorSetData implements IXmlReader
 	
 	private ArmorSet[] _armorSets;
 	private final Map<Integer, ArmorSet> _armorSetMap = new HashMap<>();
+	private List<ArmorSet>[] _itemSets;
 	private final Map<Integer, List<ArmorSet>> _armorSetItems = new HashMap<>();
 	
 	protected ArmorSetData()
@@ -59,6 +60,7 @@ public class ArmorSetData implements IXmlReader
 	}
 	
 	@Override
+	@SuppressWarnings("unchecked")
 	public void load()
 	{
 		parseDatapackDirectory("data/stats/armorsets", false);
@@ -69,8 +71,15 @@ public class ArmorSetData implements IXmlReader
 			_armorSets[armorSet.getKey()] = armorSet.getValue();
 		}
 		
+		_itemSets = new ArrayList[Collections.max(_armorSetItems.keySet()) + 1];
+		for (Entry<Integer, List<ArmorSet>> armorSet : _armorSetItems.entrySet())
+		{
+			_itemSets[armorSet.getKey()] = armorSet.getValue();
+		}
+		
 		LOGGER.info(getClass().getSimpleName() + ": Loaded " + _armorSetMap.size() + " armor sets.");
 		_armorSetMap.clear();
+		_armorSetItems.clear();
 	}
 	
 	@Override
@@ -189,7 +198,15 @@ public class ArmorSetData implements IXmlReader
 	 */
 	public List<ArmorSet> getSets(int itemId)
 	{
-		return _armorSetItems.getOrDefault(itemId, Collections.emptyList());
+		if (_itemSets.length >= itemId)
+		{
+			final List<ArmorSet> sets = _itemSets[itemId];
+			if (sets != null)
+			{
+				return sets;
+			}
+		}
+		return Collections.emptyList();
 	}
 	
 	/**

L2J_Mobius_Essence_4.0_DwellingOfSpirits/java/org/l2jmobius/gameserver/data/xml/impl/ArmorSetData.java

@@ -51,6 +51,7 @@ public class ArmorSetData implements IXmlReader
 	
 	private ArmorSet[] _armorSets;
 	private final Map<Integer, ArmorSet> _armorSetMap = new HashMap<>();
+	private List<ArmorSet>[] _itemSets;
 	private final Map<Integer, List<ArmorSet>> _armorSetItems = new HashMap<>();
 	
 	protected ArmorSetData()
@@ -59,6 +60,7 @@ public class ArmorSetData implements IXmlReader
 	}
 	
 	@Override
+	@SuppressWarnings("unchecked")
 	public void load()
 	{
 		parseDatapackDirectory("data/stats/armorsets", false);
@@ -69,8 +71,15 @@ public class ArmorSetData implements IXmlReader
 			_armorSets[armorSet.getKey()] = armorSet.getValue();
 		}
 		
+		_itemSets = new ArrayList[Collections.max(_armorSetItems.keySet()) + 1];
+		for (Entry<Integer, List<ArmorSet>> armorSet : _armorSetItems.entrySet())
+		{
+			_itemSets[armorSet.getKey()] = armorSet.getValue();
+		}
+		
 		LOGGER.info(getClass().getSimpleName() + ": Loaded " + _armorSetMap.size() + " armor sets.");
 		_armorSetMap.clear();
+		_armorSetItems.clear();
 	}
 	
 	@Override
@@ -191,7 +200,15 @@ public class ArmorSetData implements IXmlReader
 	 */
 	public List<ArmorSet> getSets(int itemId)
 	{
-		return _armorSetItems.getOrDefault(itemId, Collections.emptyList());
+		if (_itemSets.length >= itemId)
+		{
+			final List<ArmorSet> sets = _itemSets[itemId];
+			if (sets != null)
+			{
+				return sets;
+			}
+		}
+		return Collections.emptyList();
 	}
 	
 	/**