Not good but should added lock mecanism for config operations

src/main/java/xyz/alexcrea/cuanvil/api/ConflictAPI.java

@@ -44,7 +44,7 @@ public class ConflictAPI {
      * @return True if successful.
      */
     public static boolean addConflict(@NotNull ConflictBuilder builder, boolean overrideDeleted){
-        FileConfiguration config = ConfigHolder.CONFLICT_HOLDER.getConfig();
+        FileConfiguration config = ConfigHolder.CONFLICT_HOLDER.get();
 
         // Test if conflict can be added
         if(!overrideDeleted && ConfigHolder.CONFLICT_HOLDER.isDeleted(builder.getName())) return false;
@@ -86,10 +86,11 @@ public class ConflictAPI {
      * @return True if successful.
      */
     public static boolean writeConflict(@NotNull ConflictBuilder builder, boolean updatePlanned){
-        FileConfiguration config = ConfigHolder.CONFLICT_HOLDER.getConfig();
+        FileConfiguration config = ConfigHolder.CONFLICT_HOLDER.acquiredWrite();
 
         String name = builder.getName();
         if(name.contains(".")) {
+            ConfigHolder.CONFLICT_HOLDER.releaseWrite();
             CustomAnvil.instance.getLogger().warning("Conflict " + name +" contain \".\" in its name but should not. this conflict is ignored.");
             logConflictOrigin(builder);
             return false;
@@ -107,6 +108,7 @@ public class ConflictAPI {
         prepareSaveTask();
         if(updatePlanned) prepareUpdateTask();
 
+        ConfigHolder.CONFLICT_HOLDER.releaseWrite();
         return true;
     }
 

src/main/java/xyz/alexcrea/cuanvil/api/CustomAnvilRecipeApi.java

@@ -41,19 +41,27 @@ public class CustomAnvilRecipeApi {
      * @return True if successful.
      */
     public static boolean addRecipe(@NotNull AnvilRecipeBuilder builder, boolean overrideDeleted){
-        FileConfiguration config = ConfigHolder.CUSTOM_RECIPE_HOLDER.getConfig();
+        FileConfiguration config = ConfigHolder.CUSTOM_RECIPE_HOLDER.acquiredWrite();
         String name = builder.getName();
 
-        if(!overrideDeleted && ConfigHolder.CUSTOM_RECIPE_HOLDER.isDeleted(builder.getName())) return false;
+        if(!overrideDeleted && ConfigHolder.CUSTOM_RECIPE_HOLDER.isDeleted(builder.getName())) {
-        if(config.contains(builder.getName())) return false;
+            ConfigHolder.CUSTOM_RECIPE_HOLDER.releaseWrite();
+            return false;
+        }
+        if(config.contains(builder.getName())) {
+            ConfigHolder.CUSTOM_RECIPE_HOLDER.releaseWrite();
+            return false;
+        }
 
         if(builder.getName().contains(".")) {
+            ConfigHolder.CUSTOM_RECIPE_HOLDER.releaseWrite();
             CustomAnvil.instance.getLogger().warning("Custom anvil recipe " + name + " contain \".\" in its name but should not. this recipe is ignored.");
             return false;
         }
 
         AnvilCustomRecipe recipe = builder.build();
         if(recipe == null){
+            ConfigHolder.CUSTOM_RECIPE_HOLDER.releaseWrite();
             CustomAnvil.instance.getLogger().warning("Custom anvil recipe " + name + " could not be parsed.");
             if(builder.getLeftItem() == null){
                 CustomAnvil.instance.getLogger().warning("It look like left item of the recipe is null.");
@@ -66,6 +74,7 @@ public class CustomAnvilRecipeApi {
 
         // Add to registry
         ConfigHolder.CUSTOM_RECIPE_HOLDER.getRecipeManager().cleanAddNew(recipe);
+        ConfigHolder.CUSTOM_RECIPE_HOLDER.releaseWrite();
 
         // Save to file
         recipe.saveToFile(false, false);

src/main/java/xyz/alexcrea/cuanvil/api/EnchantmentApi.java

@@ -169,12 +169,13 @@ public class EnchantmentApi {
      * @return Return false if override is false and a configuration exist. true otherwise.
      */
     public static boolean writeDefaultConfig(CAEnchantment enchantment, boolean override){
-        FileConfiguration config = ConfigHolder.DEFAULT_CONFIG.getConfig();
+        FileConfiguration config = ConfigHolder.DEFAULT_CONFIG.acquiredWrite();
         if(!override && config.contains(enchantment.getName())) return false;
 
         writeDefaultConfig(config, enchantment);
 
         prepareSaveTask();
+        ConfigHolder.DEFAULT_CONFIG.releaseWrite();
         return true;
     }
 

src/main/java/xyz/alexcrea/cuanvil/api/MaterialGroupApi.java

@@ -114,7 +114,7 @@ public class MaterialGroupApi {
     }
 
     private static void writeKnownGroup(@NotNull String groupType, @NotNull AbstractMaterialGroup group){
-        FileConfiguration config = ConfigHolder.ITEM_GROUP_HOLDER.getConfig();
+        FileConfiguration config = ConfigHolder.ITEM_GROUP_HOLDER.acquiredWrite();
 
         String basePath = group.getName() + ".";
         Set<Material> materialSet = group.getNonGroupInheritedMaterials();
@@ -128,10 +128,11 @@ public class MaterialGroupApi {
             config.set(basePath + ItemGroupManager.GROUP_LIST_PATH, materialGroupSEtToStringList(groupSet));
         }
 
+        ConfigHolder.ITEM_GROUP_HOLDER.releaseWrite();
     }
 
     private static void writeUnknownGroup(@NotNull AbstractMaterialGroup group) {
-        FileConfiguration config = ConfigHolder.ITEM_GROUP_HOLDER.getConfig();
+        FileConfiguration config = ConfigHolder.ITEM_GROUP_HOLDER.acquiredWrite();
 
         String basePath = group.getName() + ".";
         EnumSet<Material> materials = group.getMaterials();
@@ -141,6 +142,7 @@ public class MaterialGroupApi {
             config.set(basePath + ItemGroupManager.MATERIAL_LIST_PATH, materialSetToStringList(materials));
         }
 
+        ConfigHolder.ITEM_GROUP_HOLDER.releaseWrite();
     }
 
     public static List<String> materialSetToStringList(@NotNull Set<Material> materials){

src/main/java/xyz/alexcrea/cuanvil/api/UnitRepairApi.java

@@ -62,7 +62,7 @@ public class UnitRepairApi {
      * @return true if successful.
      */
     public static boolean addUnitRepair(@NotNull Material unit, @NotNull Material repairable, double value, boolean overrideDeleted){
-        FileConfiguration config = ConfigHolder.UNIT_REPAIR_HOLDER.getConfig();
+        FileConfiguration config = ConfigHolder.UNIT_REPAIR_HOLDER.get();
         String path = unit.name().toLowerCase() + "." + repairable.name().toLowerCase();
 
         if(!overrideDeleted && ConfigHolder.UNIT_REPAIR_HOLDER.isDeleted(path)) return false;
@@ -82,7 +82,7 @@ public class UnitRepairApi {
      * @return true if successful.
      */
     public static boolean setUnitRepair(@NotNull Material unit, @NotNull Material repairable, double value){
-        FileConfiguration config = ConfigHolder.UNIT_REPAIR_HOLDER.getConfig();
+        FileConfiguration config = ConfigHolder.UNIT_REPAIR_HOLDER.acquiredWrite();
 
         String repairableName = repairable.name().toLowerCase();
         String path = unit.name().toLowerCase() + "." + repairableName;
@@ -100,6 +100,7 @@ public class UnitRepairApi {
             repairConfigGui.updateValueForGeneric(unit, true);
         }
 
+        ConfigHolder.UNIT_REPAIR_HOLDER.releaseWrite();
         return true;
     }
 
@@ -115,7 +116,7 @@ public class UnitRepairApi {
         String unitName = unit.name();
         String repairableName = repairable.name();
 
-        FileConfiguration config = ConfigHolder.UNIT_REPAIR_HOLDER.getConfig();
+        FileConfiguration config = ConfigHolder.UNIT_REPAIR_HOLDER.acquiredWrite();
         config.set(unitName.toLowerCase() + repairableName.toUpperCase(), null);
         config.set(unitName.toUpperCase() + repairableName.toLowerCase(), null);
         config.set(unitName.toUpperCase() + repairableName.toUpperCase(), null);
@@ -138,6 +139,7 @@ public class UnitRepairApi {
 
         } else lastValue = true;
 
+        ConfigHolder.UNIT_REPAIR_HOLDER.releaseWrite();
 
         // We only need to "delete" as the lower case to be counted as deleted
         ConfigHolder.UNIT_REPAIR_HOLDER.delete(unitName.toLowerCase() + repairableName.toLowerCase());
@@ -184,7 +186,7 @@ public class UnitRepairApi {
     public static List<Triple<Material, Material, Double>> getUnitRepairs(){
         List<Triple<Material, Material, Double>> mutableList = new ArrayList<>();
 
-        FileConfiguration config = ConfigHolder.UNIT_REPAIR_HOLDER.getConfig();
+        FileConfiguration config = ConfigHolder.UNIT_REPAIR_HOLDER.get();
         for (String unitKey : config.getKeys(false)) {
             // Test if config section exist
             if(!config.isConfigurationSection(unitKey)) continue;

src/main/java/xyz/alexcrea/cuanvil/config/ConfigHolder.java

@@ -15,7 +15,7 @@ import java.io.IOException;
 import java.util.logging.Level;
 
 @SuppressWarnings("unused")
-public abstract class ConfigHolder {
+public abstract class ConfigHolder extends LockStoredObject<FileConfiguration> {
 
     // Available configuration:
     public static DefaultConfigHolder DEFAULT_CONFIG;
@@ -70,18 +70,29 @@ public abstract class ConfigHolder {
     // usefull part of the file
     private static final File BACKUP_FOLDER = new File(CustomAnvil.instance.getDataFolder(), "backup");
 
-    protected FileConfiguration configuration;
 
     protected ConfigHolder() {
-
+        super(null);
     }
 
     public abstract boolean reloadFromDisk(boolean hardFail);
 
-    public abstract void reload();
+    public final void reload(){
+        acquiredWrite();
+        reloadWriteLocked();
+        releaseWrite();
+    }
 
+    public abstract void reloadWriteLocked();
+
+    /**
+     *
+     * @deprecated use {@link #get()}
+     * @return the stored config
+     */
+    @Deprecated
     public FileConfiguration getConfig() {
-        return configuration;
+        return get();
     }
 
     // Config name and files
@@ -118,15 +129,19 @@ public abstract class ConfigHolder {
             CustomAnvil.instance.getLogger().severe("Could not save config: can't delete existing file.");
             return false;
         }
-        FileConfiguration config = getConfig();
+
+        long readStamp = this.lock.readLock();
+        FileConfiguration config = unsafeGet();
         try {
             config.save(base);
         } catch (IOException e) {
             e.printStackTrace();
             CustomAnvil.instance.getLogger().severe("Could not save config...");
+            this.lock.unlockRead(readStamp);
             return false;
         }
 
+        this.lock.unlockRead(readStamp);
         CustomAnvil.Companion.log(getConfigFileName()+" saved successfully");
         return true;
     }
@@ -173,14 +188,17 @@ public abstract class ConfigHolder {
 
         @Override
         public boolean reloadFromDisk(boolean hardFail) {
+            acquiredWrite();
             CustomAnvil.instance.saveDefaultConfig();
             CustomAnvil.instance.reloadConfig();
-            this.configuration = CustomAnvil.instance.getConfig();
+
+            setStored(CustomAnvil.instance.getConfig());
+            releaseWrite();
             return true;
         }
 
         @Override
-        public void reload() {
+        public void reloadWriteLocked() {
         }// Nothing to do
 
     }
@@ -203,10 +221,14 @@ public abstract class ConfigHolder {
         public boolean reloadFromDisk(boolean hardFail) {
             YamlConfiguration configuration = CustomAnvil.instance.reloadResource(
                     getConfigFileName() + getConfigFileExtension(), hardFail);
-            if (configuration == null) return false;
+            if (configuration == null) {
+                return false;
+            }
 
-            this.configuration = configuration;
+            acquiredWrite();
-            reload();
+            setStored(configuration);
+            reloadWriteLocked();
+            releaseWrite();
 
             return true;
         }
@@ -284,7 +306,7 @@ public abstract class ConfigHolder {
 
             // Add to the deleted config
             this.deletedListConfig.set(objectPath, true);
-            this.getConfig().set(objectPath, null);
+            this.unsafeGet().set(objectPath, null);
 
             // Save the deleted config (may not be the most efficient, but I will handle it later)
             if(doSave){
@@ -337,12 +359,12 @@ public abstract class ConfigHolder {
         }
 
         @Override
-        public void reload() {
+        public void reloadWriteLocked() {
             // not the most efficient way for in game reload TODO optimise
             this.itemGroupsManager = new ItemGroupManager();
-            this.itemGroupsManager.prepareGroups(this.configuration);
+            this.itemGroupsManager.prepareGroups(getWhileWrite());
 
-            if (CONFLICT_HOLDER.getConfig() != null) {
+            if (CONFLICT_HOLDER.unsafeGet() != null) {
                 CONFLICT_HOLDER.reload();
             }
         }
@@ -365,10 +387,10 @@ public abstract class ConfigHolder {
 
         // We assume this is called after item group manager reload;,
         @Override
-        public void reload() {
+        public void reloadWriteLocked() {
             // not the most efficient way for in game reload TODO optimise
             this.conflictManager = new EnchantConflictManager();
-            this.conflictManager.prepareConflicts(this.configuration, ITEM_GROUP_HOLDER.getItemGroupsManager());
+            this.conflictManager.prepareConflicts(getWhileWrite(), ITEM_GROUP_HOLDER.getItemGroupsManager());
         }
 
     }
@@ -382,7 +404,7 @@ public abstract class ConfigHolder {
         }
 
         @Override
-        public void reload() {
+        public void reloadWriteLocked() {
         } // Do nothing
 
     }
@@ -402,9 +424,9 @@ public abstract class ConfigHolder {
         }
 
         @Override
-        public void reload() {
+        public void reloadWriteLocked() {
             this.recipeManager = new CustomAnvilRecipeManager();
-            this.recipeManager.prepareRecipes(this.configuration);
+            this.recipeManager.prepareRecipes(getWhileWrite());
         }
     }
 

src/main/java/xyz/alexcrea/cuanvil/config/LockStoredObject.java

@@ -0,0 +1,62 @@
+package xyz.alexcrea.cuanvil.config;
+
+import java.util.concurrent.locks.StampedLock;
+
+/**
+ * Bad implementation to acquire an object in a thread safe way
+ * Made for read heavy case
+ * @param <T> The type of object to store
+ */
+public class LockStoredObject<T> {
+
+    private T stored;
+    protected final StampedLock lock;
+
+    LockStoredObject(T toStore){
+        this.stored = toStore;
+        this.lock = new StampedLock();
+    }
+
+    public T get(){
+        long stamp = this.lock.tryOptimisticRead();
+        T stored = this.stored;
+        if (this.lock.validate(stamp))
+            return stored;
+
+        stamp = this.lock.readLock();
+        try {stored = this.stored;}
+        finally {this.lock.unlockRead(stamp);}
+        return stored;
+    }
+
+    private long writeStamp;
+    public final T acquiredWrite(){
+        writeStamp = lock.writeLock();
+        return stored;
+    }
+
+    public final void releaseWrite(){
+        lock.unlockWrite(this.writeStamp);
+    }
+
+    public void isWriteLocked(){
+        if(!lock.isWriteLocked()){
+            throw new IllegalStateException("Lock is not write locked");
+        }
+    }
+
+    public final void setStored(T toStore){
+        isWriteLocked();
+        this.stored = toStore;
+    }
+
+    public T getWhileWrite(){
+        isWriteLocked();
+        return stored;
+    }
+
+    public T unsafeGet(){
+        return stored;
+    }
+
+}

src/main/java/xyz/alexcrea/cuanvil/gui/config/global/EnchantConflictGui.java

@@ -54,10 +54,11 @@ public class EnchantConflictGui extends MappedGuiListConfigGui<EnchantConflictGr
         // save empty conflict in config
         String[] emptyStringArray = new String[0];
 
-        FileConfiguration config = ConfigHolder.CONFLICT_HOLDER.getConfig();
+        FileConfiguration config = ConfigHolder.CONFLICT_HOLDER.acquiredWrite();
         config.set(name + ".enchantments", emptyStringArray);
         config.set(name + ".notAffectedGroups", emptyStringArray);
         config.set(name + ".maxEnchantmentBeforeConflict", 0);
+        ConfigHolder.CONFLICT_HOLDER.releaseWrite();
 
         if (GuiSharedConstant.TEMPORARY_DO_SAVE_TO_DISK_EVERY_CHANGE) {
             ConfigHolder.CONFLICT_HOLDER.saveToDisk(GuiSharedConstant.TEMPORARY_DO_BACKUP_EVERY_SAVE);

src/main/java/xyz/alexcrea/cuanvil/gui/config/global/GroupConfigGui.java

@@ -87,8 +87,9 @@ public class GroupConfigGui extends MappedGuiListConfigGui<IncludeGroup, GroupCo
         ItemGroupManager manager = ConfigHolder.ITEM_GROUP_HOLDER.getItemGroupsManager();
         if(manager.getGroupMap().containsKey(name)) return null;
 
-        ConfigurationSection config = ConfigHolder.ITEM_GROUP_HOLDER.getConfig();
+        ConfigurationSection config = ConfigHolder.ITEM_GROUP_HOLDER.acquiredWrite();
         config.set(name+"."+ItemGroupManager.GROUP_TYPE_PATH, GroupType.INCLUDE.getGroupID());
+        ConfigHolder.CONFLICT_HOLDER.releaseWrite();
 
         return (IncludeGroup) manager.createGroup(config, name);
     }

src/main/java/xyz/alexcrea/cuanvil/gui/config/global/UnitRepairConfigGui.java

@@ -49,7 +49,7 @@ public class UnitRepairConfigGui extends MappedGuiListConfigGui<Material, UnitRe
 
     @Override
     protected ItemStack createItemForGeneric(Material material) {
-        ConfigurationSection materialSection = ConfigHolder.UNIT_REPAIR_HOLDER.getConfig().getConfigurationSection(material.name().toLowerCase());
+        ConfigurationSection materialSection = ConfigHolder.UNIT_REPAIR_HOLDER.get().getConfigurationSection(material.name().toLowerCase());
         String materialName = CasedStringUtil.snakeToUpperSpacedCase(material.name().toLowerCase());
 
         if(material.isAir()){
@@ -77,7 +77,7 @@ public class UnitRepairConfigGui extends MappedGuiListConfigGui<Material, UnitRe
     protected Collection<Material> getEveryDisplayableInstanceOfGeneric() {
         ArrayList<Material> materials = new ArrayList<>();
 
-        for (String matName : ConfigHolder.UNIT_REPAIR_HOLDER.getConfig().getKeys(false)) {
+        for (String matName : ConfigHolder.UNIT_REPAIR_HOLDER.get().getKeys(false)) {
             Material mat = Material.getMaterial(matName.toUpperCase());
             if(mat != null){
                 materials.add(mat);

src/main/java/xyz/alexcrea/cuanvil/gui/config/list/UnitRepairElementListGui.java

@@ -83,7 +83,9 @@ public class UnitRepairElementListGui extends SettingGuiListConfigGui<String, Do
                         String materialName = type.name().toLowerCase();
 
                         // Add new material
-                        ConfigHolder.UNIT_REPAIR_HOLDER.getConfig().set(parentMaterial.name().toLowerCase() + "." + materialName,0.25);
+                        ConfigHolder.UNIT_REPAIR_HOLDER.acquiredWrite()
+                                .set(parentMaterial.name().toLowerCase() + "." + materialName,0.25);
+                        ConfigHolder.UNIT_REPAIR_HOLDER.releaseWrite();
 
                         if (GuiSharedConstant.TEMPORARY_DO_SAVE_TO_DISK_EVERY_CHANGE) {
                             ConfigHolder.UNIT_REPAIR_HOLDER.saveToDisk(GuiSharedConstant.TEMPORARY_DO_BACKUP_EVERY_SAVE);
@@ -143,7 +145,8 @@ public class UnitRepairElementListGui extends SettingGuiListConfigGui<String, Do
             return keys;
         }
 
-        ConfigurationSection materialSection = ConfigHolder.UNIT_REPAIR_HOLDER.getConfig().getConfigurationSection(parentMaterial.name().toLowerCase());
+        ConfigurationSection materialSection = ConfigHolder.UNIT_REPAIR_HOLDER.get()
+                .getConfigurationSection(parentMaterial.name().toLowerCase());
         if(materialSection == null){
             return keys;
         }

src/main/java/xyz/alexcrea/cuanvil/gui/config/list/elements/EnchantConflictSubSettingGui.java

@@ -147,7 +147,8 @@ public class EnchantConflictSubSettingGui extends MappedToListSubSettingGui impl
     @Override
     public void updateGuiValues() {
         // update value from config to conflict
-        int minBeforeBlock = ConfigHolder.CONFLICT_HOLDER.getConfig().getInt(this.enchantConflict.toString()+'.'+EnchantConflictManager.ENCH_MAX_PATH, 0);
+        int minBeforeBlock = ConfigHolder.CONFLICT_HOLDER.get()
+                .getInt(this.enchantConflict.toString()+'.'+EnchantConflictManager.ENCH_MAX_PATH, 0);
         this.enchantConflict.setMinBeforeBlock(minBeforeBlock);
 
         // Parent should call updateLocal with this call
@@ -260,7 +261,9 @@ public class EnchantConflictSubSettingGui extends MappedToListSubSettingGui impl
         for (CAEnchantment enchantment : enchantments) {
             enchantKeys[index++] = enchantment.getKey().toString();
         }
-        ConfigHolder.CONFLICT_HOLDER.getConfig().set(enchantConflict + ".enchantments", enchantKeys);
+
+        ConfigHolder.CONFLICT_HOLDER.acquiredWrite().set(enchantConflict + ".enchantments", enchantKeys);
+        ConfigHolder.CONFLICT_HOLDER.releaseWrite();
 
         try {
             updateGuiValues();
@@ -304,7 +307,9 @@ public class EnchantConflictSubSettingGui extends MappedToListSubSettingGui impl
         for (AbstractMaterialGroup group : groups) {
             groupsNames[index++] = group.getName();
         }
-        ConfigHolder.CONFLICT_HOLDER.getConfig().set(this.enchantConflict + ".notAffectedGroups", groupsNames);
+
+        ConfigHolder.CONFLICT_HOLDER.acquiredWrite().set(this.enchantConflict + ".notAffectedGroups", groupsNames);
+        ConfigHolder.CONFLICT_HOLDER.releaseWrite();
 
         try {
             updateGuiValues();

src/main/java/xyz/alexcrea/cuanvil/gui/config/list/elements/GroupConfigSubSettingGui.java

@@ -286,7 +286,8 @@ public class GroupConfigSubSettingGui extends MappedToListSubSettingGui implemen
             groupNames[index++] = otherGroup.getName();
         }
 
-        ConfigHolder.ITEM_GROUP_HOLDER.getConfig().set(group.getName()+"."+ItemGroupManager.GROUP_LIST_PATH, groupNames);
+        ConfigHolder.ITEM_GROUP_HOLDER.acquiredWrite().set(group.getName()+"."+ItemGroupManager.GROUP_LIST_PATH, groupNames);
+        ConfigHolder.ITEM_GROUP_HOLDER.releaseWrite();
 
         // Try to update referencing group. kind of expensive operation in some case.
         updateDirectReferencingGroups(group);
@@ -330,7 +331,8 @@ public class GroupConfigSubSettingGui extends MappedToListSubSettingGui implemen
             groupNames[index++] = otherGroup.name().toLowerCase();
         }
 
-        ConfigHolder.ITEM_GROUP_HOLDER.getConfig().set(this.group.getName()+"."+ItemGroupManager.MATERIAL_LIST_PATH, groupNames);
+        ConfigHolder.ITEM_GROUP_HOLDER.acquiredWrite().set(this.group.getName()+"."+ItemGroupManager.MATERIAL_LIST_PATH, groupNames);
+        ConfigHolder.ITEM_GROUP_HOLDER.releaseWrite();
 
         // update referencing groups
         updateDirectReferencingGroups(this.group);

src/main/java/xyz/alexcrea/cuanvil/gui/config/settings/BoolSettingsGui.java

@@ -148,7 +148,8 @@ public class BoolSettingsGui extends AbstractSettingGui {
 
     @Override
     public boolean onSave() {
-        holder.config.getConfig().set(holder.configPath, now);
+        holder.config.acquiredWrite().set(holder.configPath, now);
+        holder.config.releaseWrite();
 
         if (GuiSharedConstant.TEMPORARY_DO_SAVE_TO_DISK_EVERY_CHANGE) {
             return holder.config.saveToDisk(GuiSharedConstant.TEMPORARY_DO_BACKUP_EVERY_SAVE);
@@ -208,7 +209,7 @@ public class BoolSettingsGui extends AbstractSettingGui {
          * @return The configured value for the associated setting.
          */
         public boolean getConfiguredValue() {
-            return this.config.getConfig().getBoolean(this.configPath, this.defaultVal);
+            return this.config.get().getBoolean(this.configPath, this.defaultVal);
         }
 
         @Override

src/main/java/xyz/alexcrea/cuanvil/gui/config/settings/DoubleSettingGui.java

@@ -319,10 +319,12 @@ public class DoubleSettingGui extends AbstractSettingGui {
             if(this.holder.config instanceof ConfigHolder.DeletableResource deletableResource){
                 deletableResource.delete(this.holder.configPath);
             }else{
-                this.holder.config.getConfig().set(this.holder.configPath, null);
+                this.holder.config.acquiredWrite().set(this.holder.configPath, null);
+                holder.config.releaseWrite();
             }
         }else{
-            this.holder.config.getConfig().set(this.holder.configPath, now.doubleValue());
+            this.holder.config.acquiredWrite().set(this.holder.configPath, now.doubleValue());
+            holder.config.releaseWrite();
         }
 
         if (GuiSharedConstant.TEMPORARY_DO_SAVE_TO_DISK_EVERY_CHANGE) {
@@ -432,7 +434,7 @@ public class DoubleSettingGui extends AbstractSettingGui {
          * @return The configured value for the associated setting.
          */
         public BigDecimal getConfiguredValue() {
-            ConfigurationSection section = this.config.getConfig();
+            ConfigurationSection section = this.config.get();
             if(section.isDouble(this.configPath)){
                 return BigDecimal.valueOf(section.getDouble(this.configPath)).setScale(2, RoundingMode.HALF_UP);
             }

src/main/java/xyz/alexcrea/cuanvil/gui/config/settings/EnchantCostSettingsGui.java

@@ -7,6 +7,7 @@ import com.github.stefvanschie.inventoryframework.pane.util.Pattern;
 import io.delilaheve.CustomAnvil;
 import io.delilaheve.util.ConfigOptions;
 import org.bukkit.Material;
+import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.event.inventory.InventoryClickEvent;
 import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
@@ -225,8 +226,10 @@ public class EnchantCostSettingsGui extends IntSettingsGui {
 
     @Override
     public boolean onSave() {
-        holder.config.getConfig().set(holder.configPath + ITEM_PATH, now);
+        FileConfiguration config = holder.config.acquiredWrite();
-        holder.config.getConfig().set(holder.configPath + BOOK_PATH, nowBook);
+        config.set(holder.configPath + ITEM_PATH, now);
+        config.set(holder.configPath + BOOK_PATH, nowBook);
+        holder.config.releaseWrite();
 
         if (GuiSharedConstant.TEMPORARY_DO_SAVE_TO_DISK_EVERY_CHANGE) {
             return holder.config.saveToDisk(GuiSharedConstant.TEMPORARY_DO_BACKUP_EVERY_SAVE);

src/main/java/xyz/alexcrea/cuanvil/gui/config/settings/EnumSettingGui.java

@@ -118,7 +118,8 @@ public class EnumSettingGui<T extends Enum<T> & EnumSettingGui.ConfigurableEnum>
 
     @Override
     public boolean onSave() {
-        holder.config.getConfig().set(holder.configPath, this.now.configName());
+        holder.config.acquiredWrite().set(holder.configPath, this.now.configName());
+        holder.config.releaseWrite();
 
         if (GuiSharedConstant.TEMPORARY_DO_SAVE_TO_DISK_EVERY_CHANGE) {
             return holder.config.saveToDisk(GuiSharedConstant.TEMPORARY_DO_BACKUP_EVERY_SAVE);

src/main/java/xyz/alexcrea/cuanvil/gui/config/settings/IntSettingsGui.java

@@ -262,7 +262,8 @@ public class IntSettingsGui extends AbstractSettingGui {
 
     @Override
     public boolean onSave() {
-        holder.config.getConfig().set(holder.configPath, now);
+        holder.config.acquiredWrite().set(holder.configPath, now);
+        holder.config.releaseWrite();
 
         if (GuiSharedConstant.TEMPORARY_DO_SAVE_TO_DISK_EVERY_CHANGE) {
             return holder.config.saveToDisk(GuiSharedConstant.TEMPORARY_DO_BACKUP_EVERY_SAVE);
@@ -340,7 +341,7 @@ public class IntSettingsGui extends AbstractSettingGui {
          * @return The configured value for the associated setting.
          */
         public int getConfiguredValue() {
-            return this.config.getConfig().getInt(this.configPath, this.defaultVal);
+            return this.config.get().getInt(this.configPath, this.defaultVal);
         }
 
         @Override

src/main/java/xyz/alexcrea/cuanvil/gui/config/settings/ItemSettingGui.java

@@ -146,7 +146,8 @@ public class ItemSettingGui extends AbstractSettingGui {
 
     @Override
     public boolean onSave() {
-        holder.config.getConfig().set(holder.configPath, this.now);
+        holder.config.acquiredWrite().set(holder.configPath, this.now);
+        holder.config.releaseWrite();
 
         if (GuiSharedConstant.TEMPORARY_DO_SAVE_TO_DISK_EVERY_CHANGE) {
             return holder.config.saveToDisk(GuiSharedConstant.TEMPORARY_DO_BACKUP_EVERY_SAVE);
@@ -211,7 +212,7 @@ public class ItemSettingGui extends AbstractSettingGui {
          * @return The configured value for the associated setting.
          */
         public ItemStack getConfiguredValue() {
-            return this.config.getConfig().getItemStack(this.configPath, this.defaultVal);
+            return this.config.get().getItemStack(this.configPath, this.defaultVal);
         }
 
         @NotNull

src/main/java/xyz/alexcrea/cuanvil/update/PluginSetDefault.java

@@ -10,7 +10,7 @@ import xyz.alexcrea.cuanvil.config.WorkPenaltyType;
 public class PluginSetDefault {
 
     public static void reAddMissingDefault(){
-        FileConfiguration config = ConfigHolder.DEFAULT_CONFIG.getConfig();
+        FileConfiguration config = ConfigHolder.DEFAULT_CONFIG.acquiredWrite();
 
         int nbSet = 0;
 
@@ -29,6 +29,8 @@ public class PluginSetDefault {
         nbSet+= trySetDefault(config, ConfigOptions.WORK_PENALTY_TYPE, WorkPenaltyType.DEFAULT.configName());
         nbSet+= trySetDefault(config, ConfigOptions.DEFAULT_LIMIT_PATH, ConfigOptions.DEFAULT_ENCHANT_LIMIT);
 
+        ConfigHolder.DEFAULT_CONFIG.releaseWrite();
+
         if(nbSet > 0){
             CustomAnvil.instance.getLogger().info("Adding " + nbSet + " absent default config values.");
             ConfigHolder.DEFAULT_CONFIG.saveToDisk(true);

src/main/java/xyz/alexcrea/cuanvil/update/Update_1_21.java

@@ -14,7 +14,7 @@ public class Update_1_21 {
 
     public static void handleUpdate(){
         // Assume if version path is not null then it's 1.21
-        String oldVersion = ConfigHolder.DEFAULT_CONFIG.getConfig().getString(UpdateUtils.MINECRAFT_VERSION_PATH);
+        String oldVersion = ConfigHolder.DEFAULT_CONFIG.get().getString(UpdateUtils.MINECRAFT_VERSION_PATH);
         if(oldVersion != null){
             Version version = Version.fromString(oldVersion);
 
@@ -33,10 +33,10 @@ public class Update_1_21 {
     private static void doUpdate() {
         CustomAnvil.instance.getLogger().info("Updating config to support 1.21 ...");
 
-        FileConfiguration baseConfig = ConfigHolder.DEFAULT_CONFIG.getConfig();
+        FileConfiguration baseConfig = ConfigHolder.DEFAULT_CONFIG.acquiredWrite();
-        FileConfiguration groupConfig = ConfigHolder.ITEM_GROUP_HOLDER.getConfig();
+        FileConfiguration groupConfig = ConfigHolder.ITEM_GROUP_HOLDER.acquiredWrite();
-        FileConfiguration conflictConfig = ConfigHolder.CONFLICT_HOLDER.getConfig();
+        FileConfiguration conflictConfig = ConfigHolder.CONFLICT_HOLDER.acquiredWrite();
-        FileConfiguration unitConfig = ConfigHolder.UNIT_REPAIR_HOLDER.getConfig();
+        FileConfiguration unitConfig = ConfigHolder.UNIT_REPAIR_HOLDER.acquiredWrite();
 
         // Add mace to groups
         groupConfig.set("mace.type", "include");
@@ -84,10 +84,17 @@ public class Update_1_21 {
         // Set version string as 1.21
         baseConfig.set(UpdateUtils.MINECRAFT_VERSION_PATH, "1.21");
 
-        // Save
+        // Release write and save
+        ConfigHolder.DEFAULT_CONFIG.releaseWrite();
         ConfigHolder.DEFAULT_CONFIG.saveToDisk(true);
+
+        ConfigHolder.ITEM_GROUP_HOLDER.releaseWrite();
         ConfigHolder.ITEM_GROUP_HOLDER.saveToDisk(true);
+
+        ConfigHolder.CONFLICT_HOLDER.releaseWrite();
         ConfigHolder.CONFLICT_HOLDER.saveToDisk(true);
+
+        ConfigHolder.UNIT_REPAIR_HOLDER.releaseWrite();
         ConfigHolder.UNIT_REPAIR_HOLDER.saveToDisk(true);
 
         // imply reload of CONFLICT_HOLDER

src/main/java/xyz/alexcrea/cuanvil/update/plugin/PUpdate_1_6_2.java

@@ -14,7 +14,7 @@ public class PUpdate_1_6_2 {
     private static final String[] toUpdate = new String[] {"restriction_density", "restriction_breach", "restriction_wind_burst"};
 
     public static void handleUpdate(@Nonnull Set<ConfigHolder> toSave) {
-        FileConfiguration config = ConfigHolder.CONFLICT_HOLDER.getConfig();
+        FileConfiguration config = ConfigHolder.CONFLICT_HOLDER.acquiredWrite();
 
         boolean conflictUpdated = false;
         for (String restriction : toUpdate) {
@@ -34,6 +34,7 @@ public class PUpdate_1_6_2 {
                 conflictUpdated = true;
             }
         }
+        ConfigHolder.CONFLICT_HOLDER.releaseWrite();
 
         if(conflictUpdated){
             toSave.add(ConfigHolder.CONFLICT_HOLDER);
@@ -43,13 +44,14 @@ public class PUpdate_1_6_2 {
         }
 
         // Then we add the unit repair
-        config = ConfigHolder.UNIT_REPAIR_HOLDER.getConfig();
+        config = ConfigHolder.UNIT_REPAIR_HOLDER.acquiredWrite();
         String unitRepairPath = "breeze_rod.mace";
         if(!config.isConfigurationSection(unitRepairPath)){
             config.set(unitRepairPath, 0.25);
 
             toSave.add(ConfigHolder.UNIT_REPAIR_HOLDER);
         }
+        ConfigHolder.UNIT_REPAIR_HOLDER.releaseWrite();
 
     }
 

src/main/java/xyz/alexcrea/cuanvil/update/plugin/PluginUpdates.java

@@ -13,7 +13,7 @@ public class PluginUpdates {
     private static final String CONFIG_VERSION_PATH = "configVersion";
 
     public static void handlePluginUpdate(){
-        String versionString = ConfigHolder.DEFAULT_CONFIG.getConfig().getString(CONFIG_VERSION_PATH);
+        String versionString = ConfigHolder.DEFAULT_CONFIG.get().getString(CONFIG_VERSION_PATH);
         Version current = versionString == null ? new Version(0) : Version.fromString(versionString);
 
         Set<ConfigHolder> toSave = new HashSet<>();
@@ -28,7 +28,9 @@ public class PluginUpdates {
 
     private static void finishConfiguration(@Nonnull String newVersion, @Nonnull Set<ConfigHolder> toSave) {
         CustomAnvil.instance.getLogger().info("Configuration file updated to " + newVersion);
-        ConfigHolder.DEFAULT_CONFIG.getConfig().set(CONFIG_VERSION_PATH, newVersion);
+
+        ConfigHolder.DEFAULT_CONFIG.acquiredWrite().set(CONFIG_VERSION_PATH, newVersion);
+        ConfigHolder.DEFAULT_CONFIG.releaseWrite();
 
         toSave.add(ConfigHolder.DEFAULT_CONFIG);
         for (ConfigHolder configHolder : toSave) {

src/main/kotlin/io/delilaheve/util/ConfigOptions.kt

@@ -125,8 +125,7 @@ object ConfigOptions {
     val doCapCost: Boolean
         get() {
             return ConfigHolder.DEFAULT_CONFIG
-                .config
+                .get().getBoolean(CAP_ANVIL_COST, DEFAULT_CAP_ANVIL_COST)
-                .getBoolean(CAP_ANVIL_COST, DEFAULT_CAP_ANVIL_COST)
         }
 
     /**
@@ -135,8 +134,7 @@ object ConfigOptions {
     val maxAnvilCost: Int
         get() {
             return ConfigHolder.DEFAULT_CONFIG
-                .config
+                .get().getInt(MAX_ANVIL_COST, DEFAULT_MAX_ANVIL_COST)
-                .getInt(MAX_ANVIL_COST, DEFAULT_MAX_ANVIL_COST)
                 .takeIf { it in MAX_ANVIL_COST_RANGE }
                 ?: DEFAULT_MAX_ANVIL_COST
         }
@@ -147,8 +145,7 @@ object ConfigOptions {
     val doRemoveCostLimit: Boolean
         get() {
             return ConfigHolder.DEFAULT_CONFIG
-                .config
+                .get().getBoolean(REMOVE_ANVIL_COST_LIMIT, DEFAULT_REMOVE_ANVIL_COST_LIMIT)
-                .getBoolean(REMOVE_ANVIL_COST_LIMIT, DEFAULT_REMOVE_ANVIL_COST_LIMIT)
         }
 
     /**
@@ -157,8 +154,7 @@ object ConfigOptions {
     val doReplaceTooExpensive: Boolean
         get() {
             return ConfigHolder.DEFAULT_CONFIG
-                .config
+                .get().getBoolean(REPLACE_TOO_EXPENSIVE, DEFAULT_REPLACE_TOO_EXPENSIVE)
-                .getBoolean(REPLACE_TOO_EXPENSIVE, DEFAULT_REPLACE_TOO_EXPENSIVE)
         }
 
     /**
@@ -167,8 +163,7 @@ object ConfigOptions {
     val itemRepairCost: Int
         get() {
             return ConfigHolder.DEFAULT_CONFIG
-                .config
+                .get().getInt(ITEM_REPAIR_COST, DEFAULT_ITEM_REPAIR_COST)
-                .getInt(ITEM_REPAIR_COST, DEFAULT_ITEM_REPAIR_COST)
                 .takeIf { it in REPAIR_COST_RANGE }
                 ?: DEFAULT_ITEM_REPAIR_COST
         }
@@ -179,8 +174,7 @@ object ConfigOptions {
     val unitRepairCost: Int
         get() {
             return ConfigHolder.DEFAULT_CONFIG
-                .config
+                .get().getInt(UNIT_REPAIR_COST, DEFAULT_UNIT_REPAIR_COST)
-                .getInt(UNIT_REPAIR_COST, DEFAULT_UNIT_REPAIR_COST)
                 .takeIf { it in REPAIR_COST_RANGE }
                 ?: DEFAULT_UNIT_REPAIR_COST
         }
@@ -191,8 +185,7 @@ object ConfigOptions {
     val itemRenameCost: Int
         get() {
             return ConfigHolder.DEFAULT_CONFIG
-                .config
+                .get().getInt(ITEM_RENAME_COST, DEFAULT_ITEM_RENAME_COST)
-                .getInt(ITEM_RENAME_COST, DEFAULT_ITEM_RENAME_COST)
                 .takeIf { it in ITEM_RENAME_COST_RANGE }
                 ?: DEFAULT_ITEM_RENAME_COST
         }
@@ -203,8 +196,7 @@ object ConfigOptions {
     val sacrificeIllegalCost: Int
         get() {
             return ConfigHolder.DEFAULT_CONFIG
-                .config
+                .get().getInt(SACRIFICE_ILLEGAL_COST, DEFAULT_SACRIFICE_ILLEGAL_COST)
-                .getInt(SACRIFICE_ILLEGAL_COST, DEFAULT_SACRIFICE_ILLEGAL_COST)
                 .takeIf { it in SACRIFICE_ILLEGAL_COST_RANGE }
                 ?: DEFAULT_SACRIFICE_ILLEGAL_COST
         }
@@ -215,8 +207,7 @@ object ConfigOptions {
     val allowColorCode: Boolean
         get() {
             return ConfigHolder.DEFAULT_CONFIG
-                .config
+                .get().getBoolean(ALLOW_COLOR_CODE, DEFAULT_ALLOW_COLOR_CODE)
-                .getBoolean(ALLOW_COLOR_CODE, DEFAULT_ALLOW_COLOR_CODE)
         }
 
     /**
@@ -225,8 +216,7 @@ object ConfigOptions {
     val allowHexadecimalColor: Boolean
         get() {
             return ConfigHolder.DEFAULT_CONFIG
-                .config
+                .get().getBoolean(ALLOW_HEXADECIMAL_COLOR, DEFAULT_ALLOW_HEXADECIMAL_COLOR)
-                .getBoolean(ALLOW_HEXADECIMAL_COLOR, DEFAULT_ALLOW_HEXADECIMAL_COLOR)
         }
 
     /**
@@ -240,8 +230,7 @@ object ConfigOptions {
     val permissionNeededForColor: Boolean
         get() {
             return ConfigHolder.DEFAULT_CONFIG
-                .config
+                .get().getBoolean(PERMISSION_NEEDED_FOR_COLOR, DEFAULT_PERMISSION_NEEDED_FOR_COLOR)
-                .getBoolean(PERMISSION_NEEDED_FOR_COLOR, DEFAULT_PERMISSION_NEEDED_FOR_COLOR)
         }
 
     /**
@@ -250,8 +239,7 @@ object ConfigOptions {
     val useOfColorCost: Int
         get() {
             return ConfigHolder.DEFAULT_CONFIG
-                .config
+                .get().getInt(USE_OF_COLOR_COST, DEFAULT_USE_OF_COLOR_COST)
-                .getInt(USE_OF_COLOR_COST, DEFAULT_USE_OF_COLOR_COST)
                 .takeIf { it in USE_OF_COLOR_COST_RANGE }
                 ?: DEFAULT_USE_OF_COLOR_COST
         }
@@ -263,8 +251,7 @@ object ConfigOptions {
         get() {
             return WorkPenaltyType.fromString(
                 ConfigHolder.DEFAULT_CONFIG
-                .config
+                .get().getString(WORK_PENALTY_TYPE));
-                .getString(WORK_PENALTY_TYPE));
         }
 
     /**
@@ -273,8 +260,7 @@ object ConfigOptions {
     private val defaultEnchantLimit: Int
         get() {
             return ConfigHolder.DEFAULT_CONFIG
-                .config
+                .get().getInt(DEFAULT_LIMIT_PATH, DEFAULT_ENCHANT_LIMIT)
-                .getInt(DEFAULT_LIMIT_PATH, DEFAULT_ENCHANT_LIMIT)
         }
 
     /**
@@ -283,8 +269,7 @@ object ConfigOptions {
     val debugLog: Boolean
         get() {
             return ConfigHolder.DEFAULT_CONFIG
-                .config
+                .get().getBoolean(DEBUG_LOGGING, DEFAULT_DEBUG_LOG)
-                .getBoolean(DEBUG_LOGGING, DEFAULT_DEBUG_LOG)
         }
 
     /**
@@ -293,8 +278,7 @@ object ConfigOptions {
     val verboseDebugLog: Boolean
         get() {
             return ConfigHolder.DEFAULT_CONFIG
-                .config
+                .get().getBoolean(VERBOSE_DEBUG_LOGGING, DEFAULT_VERBOSE_DEBUG_LOG)
-                .getBoolean(VERBOSE_DEBUG_LOGGING, DEFAULT_VERBOSE_DEBUG_LOG)
         }
 
     /**

src/main/kotlin/xyz/alexcrea/cuanvil/dependency/DependencyManager.kt

@@ -37,7 +37,7 @@ object DependencyManager {
         } else BukkitScheduler()
 
         // Packet Manager
-        val forceProtocolib = ConfigHolder.DEFAULT_CONFIG.config.getBoolean("force_protocolib", false)
+        val forceProtocolib = ConfigHolder.DEFAULT_CONFIG.get().getBoolean("force_protocolib", false)
         packetManager = PacketManagerSelector.selectPacketManager(forceProtocolib)
         externGuiTester = GuiTesterSelector.selectGuiTester
 

src/main/kotlin/xyz/alexcrea/cuanvil/recipe/AnvilCustomRecipe.kt

@@ -62,7 +62,7 @@ class AnvilCustomRecipe(
         }
 
         fun getFromConfig(name: String): AnvilCustomRecipe? {
-            return getFromConfig(name, ConfigHolder.CUSTOM_RECIPE_HOLDER.config.getConfigurationSection(name))
+            return getFromConfig(name, ConfigHolder.CUSTOM_RECIPE_HOLDER.unsafeGet().getConfigurationSection(name))
         }
     }
 
@@ -75,7 +75,7 @@ class AnvilCustomRecipe(
     }
 
     fun saveToFile(writeFile: Boolean, doBackup: Boolean){
-        val fileConfig = ConfigHolder.CUSTOM_RECIPE_HOLDER.config
+        val fileConfig = ConfigHolder.CUSTOM_RECIPE_HOLDER.acquiredWrite()
 
         fileConfig["$name.$EXACT_COUNT_CONFIG"] = exactCount
         //fileConfig.set("$name.$EXACT_LEFT_CONFIG", exactLeft)
@@ -86,7 +86,7 @@ class AnvilCustomRecipe(
         fileConfig["$name.$LEFT_ITEM_CONFIG"] = leftItem
         fileConfig["$name.$RIGHT_ITEM_CONFIG"] = rightItem
         fileConfig["$name.$RESULT_ITEM_CONFIG"] = resultItem
-
+        ConfigHolder.CUSTOM_RECIPE_HOLDER.releaseWrite()
 
         if (writeFile) {
             ConfigHolder.CUSTOM_RECIPE_HOLDER.saveToDisk(doBackup)
@@ -99,28 +99,28 @@ class AnvilCustomRecipe(
     }
 
     fun updateFromFile(){
-        this.exactCount = ConfigHolder.CUSTOM_RECIPE_HOLDER.config.getBoolean(
+        this.exactCount = ConfigHolder.CUSTOM_RECIPE_HOLDER.get().getBoolean(
             "$name.$EXACT_COUNT_CONFIG",
             DEFAULT_EXACT_COUNT_CONFIG
         )
 
-        this.xpCostPerCraft = ConfigHolder.CUSTOM_RECIPE_HOLDER.config.getInt(
+        this.xpCostPerCraft = ConfigHolder.CUSTOM_RECIPE_HOLDER.get().getInt(
             "$name.$XP_COST_CONFIG",
             DEFAULT_XP_COST_CONFIG
         )
 
         // Update items
-        val leftItem = ConfigHolder.CUSTOM_RECIPE_HOLDER.config.getItemStack(
+        val leftItem = ConfigHolder.CUSTOM_RECIPE_HOLDER.get().getItemStack(
             "$name.$LEFT_ITEM_CONFIG",
             DEFAULT_LEFT_ITEM_CONFIG
         )
 
-        this.rightItem = ConfigHolder.CUSTOM_RECIPE_HOLDER.config.getItemStack(
+        this.rightItem = ConfigHolder.CUSTOM_RECIPE_HOLDER.get().getItemStack(
             "$name.$RIGHT_ITEM_CONFIG",
             DEFAULT_RIGHT_ITEM_CONFIG
         )
 
-        this.resultItem = ConfigHolder.CUSTOM_RECIPE_HOLDER.config.getItemStack(
+        this.resultItem = ConfigHolder.CUSTOM_RECIPE_HOLDER.get().getItemStack(
             "$name.$RESULT_ITEM_CONFIG",
             DEFAULT_RESULT_ITEM_CONFIG
         )

src/main/kotlin/xyz/alexcrea/cuanvil/util/UnitRepairUtil.kt

@@ -20,7 +20,7 @@ object UnitRepairUtil {
         other: ItemStack?
     ): Double? {
         if (other == null) return null
-        val config = ConfigHolder.UNIT_REPAIR_HOLDER.config
+        val config = ConfigHolder.UNIT_REPAIR_HOLDER.get()
         // Get configuration section if exist
         val otherName = other.type.name.lowercase()
         var section = config.getConfigurationSection(otherName)