diff --git a/src/generation/files.anubis b/src/generation/files.anubis
index 8bc4b1b..9656d27 100644
--- a/src/generation/files.anubis
+++ b/src/generation/files.anubis
@@ -6,6 +6,7 @@
  * © David RENÉ 
  */
 
+read system/parameter/inifile.anubis
 read densaku_lib/types/densaku.anubis
 read densaku_lib/ds_generator.anubis
 read tools/basis.anubis
@@ -20,7 +21,32 @@ public define Maybe(One)
     List(DS_Message)  messages,
     String            destination_dir
   )=
+  //before processing the generation we check if we need to do it, by checking the SHA1 generated with the 
+  //previous generation. If SHA1 is same, this means the database is exactly same and we have nothing to do.
+  //This behaviour prevent to generate same database during automatic generation on compilation time.
+  
+  //process. We serialize the types and messages model and make SHA1 of the result. This result is stored in file densaku.ini
+  //in root of destination_dir
+  with current_types_SHA1    = to_ascii(sha1(serialize(types))),
+  with current_messages_SHA1 = to_ascii(sha1(serialize(messages))),
+  
+  println("\nDensaku Generator");
+  println("Destination dir: "+destination_dir);
+  with ini = loadIniFile(destination_dir+"/densaku.ini"),
+  
+  with types_SHA1    = readString(ini, "TYPES",    "SHA1", "N/A"),
+  with messages_SHA1 = readString(ini, "MESSAGES", "SHA1", "N/A"),  
+  
+  println("Saved Types SHA1   = "+types_SHA1);
+  println("Current Types SHA1 = "+current_types_SHA1);
+  
+  println("Saved Messages SHA1   = "+messages_SHA1);  
+  println("Current Messages SHA1 = "+messages_SHA1);  
 
+  
+  if types_SHA1 = current_types_SHA1 then
+    success(println("Types and messages already generated, nothing to do"))
+  else 
   if check_types(types) is 
   {
     failure           then failure,
@@ -31,7 +57,9 @@ public define Maybe(One)
 
       println("Generating messages collection");
       make_all_messages(messages, destination_dir);
-      
+        writeString(ini, "TYPES",    "SHA1", current_types_SHA1);
+        writeString(ini, "MESSAGES", "SHA1", current_messages_SHA1);        
+        writeIniInfo(ini);      
       success(unique)
   }.
 
--
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