1) Remove mAddGTRecipesToIC2Machines (stolen from @Glease)

2) Batch (most) recipe map removals and additions (significant speedup)
3) Modernize old java constructs --> java8 (in the files touched)

1 files changed, 16 insertions, 12 deletions

diff --git a/src/main/java/gregtech/api/util/GT_OreDictUnificator.java b/src/main/java/gregtech/api/util/GT_OreDictUnificator.java
index 188af9cfaa..f3eb77bc40 100644
--- a/src/main/java/gregtech/api/util/GT_OreDictUnificator.java
+++ b/src/main/java/gregtech/api/util/GT_OreDictUnificator.java
@@ -31,10 +31,10 @@ import static gregtech.api.enums.GT_Values.*;
  * P.S. It is intended to be named "Unificator" and not "Unifier", because that sounds more awesome.
  */
 public class GT_OreDictUnificator {
-    private static final /*ConcurrentHash*/Map<String, ItemStack> sName2StackMap = new /*ConcurrentHash*/HashMap<String, ItemStack>();
-    private static final /*ConcurrentHash*/Map<GT_ItemStack, ItemData> sItemStack2DataMap = new /*ConcurrentHash*/HashMap<GT_ItemStack, ItemData>();
-    private static final /*ConcurrentHash*/Map<GT_ItemStack, List<ItemStack>> sUnificationTable = new /*ConcurrentHash*/HashMap<GT_ItemStack, List<ItemStack>>();
-    private static final GT_HashSet<GT_ItemStack> sNoUnificationList = new GT_HashSet<GT_ItemStack>();
+    private static final Map<String, ItemStack> sName2StackMap = new HashMap<>();
+    private static final Map<GT_ItemStack, ItemData> sItemStack2DataMap = new HashMap<>();
+    private static final Map<GT_ItemStack, List<ItemStack>> sUnificationTable = new HashMap<>();
+    private static final GT_HashSet<GT_ItemStack> sNoUnificationList = new GT_HashSet<>();
     public static volatile int VERSION = 509;
     private static int isRegisteringOre = 0, isAddingOre = 0;
     private static boolean mRunThroughTheList = true;
@@ -158,6 +158,12 @@ public class GT_OreDictUnificator {
 
     /** Doesn't copy the returned stack or set quantity. Be careful and do not mutate it;
      * intended only to optimize comparisons */
+    public static ItemStack get_nocopy(ItemStack aStack) {
+        return get_nocopy(true, aStack);
+    }
+    
+    /** Doesn't copy the returned stack or set quantity. Be careful and do not mutate it;
+     * intended only to optimize comparisons */
     static ItemStack get_nocopy(boolean aUseBlackList, ItemStack aStack) {
         if (GT_Utility.isStackInvalid(aStack)) return null;
         ItemData tPrefixMaterial = getAssociation(aStack);
@@ -217,10 +223,8 @@ public class GT_OreDictUnificator {
             		ItemStack tStack1 = get(false, tStack0);
             		if (!GT_Utility.areStacksEqual(tStack0, tStack1)) {
             			GT_ItemStack tGTStack1 = new GT_ItemStack(tStack1);
-            			List<ItemStack> list = sUnificationTable.get(tGTStack1);
-            			if (list == null)
-            			    sUnificationTable.put(tGTStack1, list = new ArrayList<ItemStack>());
-            			if (!list.contains(tStack0))
+                        List<ItemStack> list = sUnificationTable.computeIfAbsent(tGTStack1, k -> new ArrayList<>());
+                        if (!list.contains(tStack0))
             			    list.add(tStack0);
             		}
             	}
@@ -233,7 +237,7 @@ public class GT_OreDictUnificator {
     	    aStacks = (ItemStack[]) obj;
     	else if (obj instanceof List) aStacks = (ItemStack[])
                 ((List)obj).toArray(new ItemStack[0]);
-    	List<ItemStack> rList = new ArrayList<ItemStack>();
+    	List<ItemStack> rList = new ArrayList<>();
     	for (ItemStack aStack : aStacks) {
     		rList.add(aStack);
     		List<ItemStack> tList = sUnificationTable.get(new GT_ItemStack(aStack));
@@ -340,8 +344,8 @@ public class GT_OreDictUnificator {
 
         ArrayList<ItemStack> tList = getOres(tName);
 
-        for (int i = 0; i < tList.size(); i++)
-            if (GT_Utility.areStacksEqual(tList.get(i), aStack, true))
+        for (ItemStack itemStack : tList)
+            if (GT_Utility.areStacksEqual(itemStack, aStack, true))
                 return false;
 
         isRegisteringOre++;
@@ -463,7 +467,7 @@ public class GT_OreDictUnificator {
      */
     public static ArrayList<ItemStack> getOres(Object aOreName) {
         String aName = aOreName == null ? E : aOreName.toString();
-        ArrayList<ItemStack> rList = new ArrayList<ItemStack>();
+        ArrayList<ItemStack> rList = new ArrayList<>();
         if (GT_Utility.isStringValid(aName)) rList.addAll(OreDictionary.getOres(aName));
         return rList;
     }