Fix that id should be long like it is in db.

src/main/java/ru/simsonic/rscPermissions/API/GenericRow.java

@@ -4,7 +4,7 @@ import java.sql.Timestamp;
 
 public abstract class GenericRow
 {
-	public           int        id;
+	public           long       id;
 	public transient String     splittedId;
 	public           String     entity;
 	public           EntityType entityType;

src/main/java/ru/simsonic/rscPermissions/API/RowEntity.java

@@ -20,7 +20,7 @@ public final class RowEntity extends GenericRow implements Cloneable, Comparable
 			if(compareByPlayerType != 0)
 				return 0 - compareByPlayerType;
 		}
-		final int compareById = Integer.compare(id, other.id);
+		final int compareById = Long.compare(id, other.id);
 		if(compareById != 0)
 			return compareById;
 		return entity.compareTo(other.entity);

src/main/java/ru/simsonic/rscPermissions/API/RowInheritance.java

@@ -48,6 +48,6 @@ public final class RowInheritance extends ConditionalRow implements Cloneable, C
 			if(compareBySplittedId != 0)
 				return compareBySplittedId;
 		}
-		return Integer.compare(id, other.id);
+		return Long.compare(id, other.id);
 	}
 }

src/main/java/ru/simsonic/rscPermissions/API/RowPermission.java

@@ -22,6 +22,6 @@ public final class RowPermission extends ConditionalRow implements Cloneable, Co
 			if(compareBySplittedId != 0)
 				return compareBySplittedId;
 		}
-		return Integer.compare(id, other.id);
+		return Long.compare(id, other.id);
 	}
 }

src/main/java/ru/simsonic/rscPermissions/Bukkit/Commands/CommandEntity.java

@@ -398,7 +398,7 @@ public class CommandEntity
 		final ArrayList<String> answer = new ArrayList<>();
 		final RowInheritance row = new RowInheritance();
 		row.entity    = entity.entity;
-		row.childType = entity.entityType;
+		row.entityType = entity.entityType;
 		row.parent    = parent;
 		rscp.connection.addInheritance(row);
 		throw new CommandAnswerException("{_LG}All is ok? I don't ready to check it myself.");
@@ -436,7 +436,7 @@ public class CommandEntity
 			if(whatToRemove.equalsIgnoreCase(row.parent))
 				possibleTargets.add(row);
 		}
-		if(possibleTargets.size() == 0)
+		if(possibleTargets.isEmpty())
 			throw new CommandAnswerException("{_LR}Sorry, I don't understand what I have to remove from DB.");
 		if(possibleTargets.size() > 1)
 			throw new CommandAnswerException("{_LR}There are several possibilities what to remove. Please use unique white id.");

src/main/java/ru/simsonic/rscPermissions/Engine/Backends/BackendDatabase.java

@@ -47,7 +47,7 @@ public class BackendDatabase extends ConnectionMySQL
 			while(rs.next())
 			{
 				RowEntity row  = new RowEntity();
-				row.id         = rs.getInt("id");
+				row.id         = rs.getLong("id");
 				row.entity     = rs.getString("entity");
 				row.entityType = EntityType.byValue(rs.getInt("entity_type"));
 				row.prefix     = rs.getString("prefix");
@@ -70,7 +70,7 @@ public class BackendDatabase extends ConnectionMySQL
 			while(rs.next())
 			{
 				RowPermission row     = new RowPermission();
-				row.id                = rs.getInt("id");
+				row.id                = rs.getLong("id");
 				row.entity            = rs.getString("entity");
 				row.entityType        = EntityType.byValue(rs.getInt("entity_type"));
 				row.permission        = rs.getString("permission");
@@ -95,10 +95,10 @@ public class BackendDatabase extends ConnectionMySQL
 			while(rs.next())
 			{
 				RowInheritance row    = new RowInheritance();
-				row.id                = rs.getInt("id");
+				row.id                = rs.getLong("id");
 				row.entity            = rs.getString("entity");
 				row.parent            = rs.getString("parent");
-				row.childType         = EntityType.byValue(rs.getInt("inheritance_type"));
+				row.entityType        = EntityType.byValue(rs.getInt("inheritance_type"));
 				row.priority          = rs.getInt("inheritance_priority");
 				row.destinationSource = rs.getString("destination");
 				row.expirience        = rs.getInt("expirience");

src/main/java/ru/simsonic/rscPermissions/Engine/Backends/DatabaseEditor.java

@@ -60,25 +60,25 @@ public class DatabaseEditor extends BackendDatabase
 	public void addPermission(RowPermission row)
 	{
 		super.insertPermissions(
-			(row.id != 0 ? (long)row.id : null),
+			row.id          != 0    ? row.id                     : null,
 			row.entity,
 			row.entityType,
 			row.permission,
 			row.value,
-			row.destination.toString(),
-			(row.expirience != 0 ? row.expirience : null),
+			row.destination != null ? row.destination.toString() : null,
+			row.expirience  != 0    ? row.expirience             : null,
 			/* FIX LIFETIME */ null);
 	}
 	public void addInheritance(RowInheritance row)
 	{
 		super.insertInheritance(
-			(row.id != 0 ? (long)row.id : null),
+			row.id          != 0    ? row.id                     : null,
 			row.entity,
 			row.parent,
-			row.childType,
-			row.priority,
-			row.destination.toString(),
-			(row.expirience != 0 ? row.expirience : null),
+			row.entityType,
+			row.priority    != 0    ? row.priority               : null,
+			row.destination != null ? row.destination.toString() : null,
+			row.expirience  != 0    ? row.expirience             : null,
 			/* FIX LIFETIME */ null);
 	}
 	private DatabaseContents prepareChanges()

src/main/java/ru/simsonic/rscPermissions/Engine/InternalStorage.java

@@ -56,7 +56,7 @@ class InternalStorage
 		for(RowInheritance row : contents.inheritance)
 		{
 			names_g.add(row.parent);
-			if(row.childType == EntityType.GROUP)
+			if(row.entityType == EntityType.GROUP)
 				names_g.add(row.entity);
 			else
 				names_u.add(row.entity);
@@ -121,7 +121,7 @@ class InternalStorage
 		final ArrayList<RowInheritance> inheritance_g2g = new ArrayList<>();
 		final ArrayList<RowInheritance> inheritance_g2u = new ArrayList<>();
 		for(RowInheritance row : rows)
-			if(row.childType == EntityType.GROUP)
+			if(row.entityType == EntityType.GROUP)
 			{
 				row.entityChild  = entities_g.get(row.entity.toLowerCase());
 				row.entityParent = entities_g.get(row.parent.toLowerCase());
@@ -151,7 +151,7 @@ class InternalStorage
 			Collections.sort(inheritances);
 			entry.getValue().inheritance = inheritances.toArray(new RowInheritance[inheritances.size()]);
 		}
-		defaultInheritance.childType = EntityType.PLAYER;
+		defaultInheritance.entityType = EntityType.PLAYER;
 		defaultInheritance.entityParent = entities_g.get(defaultInheritance.parent.toLowerCase());
 	}
 	public synchronized RowEntity findUserEntity(String entity)