Make fields final if possible to ensure immutability

src/main/java/appeng/util/inv/AdaptorIInventory.java

@@ -11,8 +11,8 @@ import appeng.util.Platform;
 public class AdaptorIInventory extends InventoryAdaptor
 {
 
-	private IInventory i;
-	private boolean wrapperEnabled;
+	private final IInventory i;
+	private final boolean wrapperEnabled;
 
 	public AdaptorIInventory(IInventory s) {
 		i = s;

src/main/java/appeng/util/inv/AdaptorISpecialInventory.java

@@ -12,10 +12,10 @@ import buildcraft.api.inventory.ISpecialInventory;
 public class AdaptorISpecialInventory extends InventoryAdaptor
 {
 
-	private AdaptorIInventory remover;
+	private final AdaptorIInventory remover;
 
-	private ISpecialInventory i;
-	private ForgeDirection d;
+	private final ISpecialInventory i;
+	private final ForgeDirection d;
 
 	public AdaptorISpecialInventory(ISpecialInventory s, ForgeDirection dd) {
 		i = s;

src/main/java/appeng/util/inv/AdaptorList.java

@@ -12,7 +12,7 @@ import appeng.util.iterators.StackToSlotIterator;
 public class AdaptorList extends InventoryAdaptor
 {
 
-	private List<ItemStack> i;
+	private final List<ItemStack> i;
 
 	public AdaptorList(List<ItemStack> s) {
 		i = s;

src/main/java/appeng/util/inv/AdaptorPlayerHand.java

@@ -15,7 +15,7 @@ import appeng.util.iterators.NullIterator;
 public class AdaptorPlayerHand extends InventoryAdaptor
 {
 
-	private EntityPlayer p;
+	private final EntityPlayer p;
 
 	public AdaptorPlayerHand(EntityPlayer _p) {
 		p = _p;

src/main/java/appeng/util/inv/IMEAdaptor.java

@@ -18,8 +18,8 @@ import com.google.common.collect.ImmutableList;
 public class IMEAdaptor extends InventoryAdaptor
 {
 
-	IMEInventory<IAEItemStack> target;
-	BaseActionSource src;
+	final IMEInventory<IAEItemStack> target;
+	final BaseActionSource src;
 	int maxSlots = 0;
 
 	public IMEAdaptor(IMEInventory<IAEItemStack> input, BaseActionSource src) {

src/main/java/appeng/util/inv/IMEAdaptorIterator.java

@@ -8,8 +8,8 @@ import appeng.api.storage.data.IItemList;
 public class IMEAdaptorIterator implements Iterator<ItemSlot>
 {
 
-	Iterator<IAEItemStack> stack;
-	ItemSlot slot = new ItemSlot();
+	final Iterator<IAEItemStack> stack;
+	final ItemSlot slot = new ItemSlot();
 	int offset = 0;
 	boolean hasNext;
 

src/main/java/appeng/util/inv/IMEInventoryDestination.java

@@ -9,7 +9,7 @@ import appeng.util.item.AEItemStack;
 public class IMEInventoryDestination implements IInventoryDestination
 {
 
-	IMEInventory<IAEItemStack> me;
+	final IMEInventory<IAEItemStack> me;
 
 	public IMEInventoryDestination(IMEInventory<IAEItemStack> o) {
 		me = o;

src/main/java/appeng/util/inv/WrapperInvSlot.java

@@ -97,7 +97,7 @@ public class WrapperInvSlot
 		}
 	}
 
-	private IInventory inv;
+	private final IInventory inv;
 
 	public WrapperInvSlot(IInventory inv) {
 		this.inv = inv;

src/main/java/appeng/util/inv/WrapperInventoryRange.java

@@ -7,7 +7,7 @@ import net.minecraft.item.ItemStack;
 public class WrapperInventoryRange implements IInventory
 {
 
-	private IInventory src;
+	private final IInventory src;
 	int[] slots;
 	protected boolean ignoreValidItems = false;
 

src/main/java/appeng/util/inv/WrapperMCISidedInventory.java

@@ -8,8 +8,8 @@ import net.minecraftforge.common.util.ForgeDirection;
 public class WrapperMCISidedInventory extends WrapperInventoryRange implements IInventory, IInventoryWrapper
 {
 
-	private ForgeDirection dir;
-	ISidedInventory side;
+	private final ForgeDirection dir;
+	final ISidedInventory side;
 
 	public WrapperMCISidedInventory(ISidedInventory a, ForgeDirection d) {
 		super( a, a.getAccessibleSlotsFromSide( d.ordinal() ), false );

src/main/java/appeng/util/inv/WrapperTEPipe.java

@@ -9,8 +9,8 @@ import net.minecraftforge.common.util.ForgeDirection;
 public class WrapperTEPipe implements IInventory
 {
 
-	TileEntity ad;
-	ForgeDirection dir;
+	final TileEntity ad;
+	final ForgeDirection dir;
 
 	public WrapperTEPipe(TileEntity te, ForgeDirection d) {
 		ad = te;