X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Flambda-delta%2Fbasic_rg%2FbrgEnvironment.ml;h=121da88da4d54e955fa480e68aa88ea31048704c;hb=85521efd364ec494e4cc024bbf87182a312e1b7b;hp=f1561516d1cb47f31abe87e8127913610b0b9d27;hpb=c45c77de154323feaf5bf6aee98c86b95361b9ae;p=helm.git

diff --git a/helm/software/lambda-delta/basic_rg/brgEnvironment.ml b/helm/software/lambda-delta/basic_rg/brgEnvironment.ml
index f1561516d..121da88da 100644
--- a/helm/software/lambda-delta/basic_rg/brgEnvironment.ml
+++ b/helm/software/lambda-delta/basic_rg/brgEnvironment.ml
@@ -11,20 +11,25 @@
 
 module U = NUri
 module H = U.UriHash
+module Y = Entity
 module B = Brg
 
-exception ObjectNotFound of string Lazy.t
-
 let hsize = 7000 
 let env = H.create hsize
 
 (* Internal functions *******************************************************)
 
+let get_age = 
+   let age = ref 0 in
+   fun () -> incr age; !age
+
 (* Interface functions ******************************************************)
 
-let set_obj f obj uri =
-   H.add env uri obj; f obj uri
-   
-let get_obj f uri =
-   try f (H.find env uri) uri
-   with Not_found -> raise (ObjectNotFound (lazy (U.string_of_uri uri)))
+(* decps *)
+let set_entity (a, uri, b) =
+   let age = get_age () in
+   let entity = (Y.Apix age :: a), uri, b in
+   H.add env uri entity; entity
+
+let get_entity uri =
+   try H.find env uri with Not_found -> [], uri, Y.Void