Make fields final if possible to ensure immutability

src/main/java/appeng/recipes/IngredientSet.java

@@ -13,7 +13,7 @@ import appeng.api.recipes.ResolverResultSet;
 public class IngredientSet implements IIngredient
 {
 
-	int qty = 0;
+	final int qty = 0;
 	final String name;
 	final List<ItemStack> items;
 	ItemStack[] baked;
@@ -23,7 +23,7 @@ public class IngredientSet implements IIngredient
 		items = rr.results;
 	}
 
-	boolean isInside = false;
+	final boolean isInside = false;
 
 	@Override
 	public int getDamageValue()

src/main/java/appeng/recipes/RecipeData.java

@@ -20,6 +20,6 @@ public class RecipeData
 	public boolean exceptions = true;
 	public boolean erroronmissing = true;
 	
-	public Set<String> knownItem = new HashSet<String>();
+	public final Set<String> knownItem = new HashSet<String>();
 
 }

src/main/java/appeng/recipes/game/DisassembleRecipe.java

@@ -16,9 +16,9 @@ import appeng.api.storage.data.IItemList;
 public class DisassembleRecipe implements IRecipe
 {
 
-	private Materials mats = AEApi.instance().materials();
-	private Items items = AEApi.instance().items();
-	private Blocks blocks = AEApi.instance().blocks();
+	private final Materials mats = AEApi.instance().materials();
+	private final Items items = AEApi.instance().items();
+	private final Blocks blocks = AEApi.instance().blocks();
 
 	private ItemStack getOutput(InventoryCrafting inv, boolean createFacade)
 	{

src/main/java/appeng/recipes/game/FacadeRecipe.java

@@ -11,8 +11,8 @@ import appeng.items.parts.ItemFacade;
 public class FacadeRecipe implements IRecipe
 {
 
-	private AEItemDefinition anchor = AEApi.instance().parts().partCableAnchor;
-	private ItemFacade facade = (ItemFacade) AEApi.instance().items().itemFacade.item();
+	private final AEItemDefinition anchor = AEApi.instance().parts().partCableAnchor;
+	private final ItemFacade facade = (ItemFacade) AEApi.instance().items().itemFacade.item();
 
 	private ItemStack getOutput(InventoryCrafting inv, boolean createFacade)
 	{

src/main/java/appeng/recipes/game/ShapelessRecipe.java

@@ -16,7 +16,7 @@ public class ShapelessRecipe implements IRecipe, IRecipeBakeable
 {
 
 	private ItemStack output = null;
-	private ArrayList<Object> input = new ArrayList<Object>();
+	private final ArrayList<Object> input = new ArrayList<Object>();
 	private boolean disable = false;
 
 	public boolean isEnabled()

src/main/java/appeng/recipes/handlers/Inscribe.java

@@ -39,9 +39,9 @@ public class Inscribe implements ICraftHandler, IWebsiteSerializer
 
 	public boolean usePlates = false;
 
-	public static HashSet<ItemStack> plates = new HashSet<ItemStack>();
-	public static HashSet<ItemStack> inputs = new HashSet<ItemStack>();
-	public static LinkedList<InscriberRecipe> recipes = new LinkedList<InscriberRecipe>();
+	public static final HashSet<ItemStack> plates = new HashSet<ItemStack>();
+	public static final HashSet<ItemStack> inputs = new HashSet<ItemStack>();
+	public static final LinkedList<InscriberRecipe> recipes = new LinkedList<InscriberRecipe>();
 
 	IIngredient imprintable;
 

src/main/java/appeng/recipes/handlers/OreRegistration.java

@@ -13,8 +13,8 @@ import appeng.api.recipes.IIngredient;
 public class OreRegistration implements ICraftHandler
 {
 
-	List<IIngredient> inputs;
-	String name;
+	final List<IIngredient> inputs;
+	final String name;
 
 	public OreRegistration(List<IIngredient> in, String out) {
 		inputs = in;

src/main/java/appeng/recipes/loader/ConfigLoader.java

@@ -10,7 +10,7 @@ import appeng.api.recipes.IRecipeLoader;
 public class ConfigLoader implements IRecipeLoader
 {
 
-	private String rootPath;
+	private final String rootPath;
 
 	public ConfigLoader(String s) {
 		rootPath = s;

src/main/java/appeng/recipes/loader/JarLoader.java

@@ -8,7 +8,7 @@ import appeng.api.recipes.IRecipeLoader;
 public class JarLoader implements IRecipeLoader
 {
 
-	private String rootPath;
+	private final String rootPath;
 
 	public JarLoader(String s) {
 		rootPath = s;

src/main/java/appeng/recipes/ores/OreDictionaryHandler.java

@@ -15,7 +15,7 @@ public class OreDictionaryHandler
 
 	public static final OreDictionaryHandler instance = new OreDictionaryHandler();
 
-	private List<IOreListener> ol = new ArrayList<IOreListener>();
+	private final List<IOreListener> ol = new ArrayList<IOreListener>();
 
 	private boolean enableRebaking = false;