X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Flambda-delta%2Fbasic_ag%2FbagEnvironment.ml;h=04681cfeee6cb7cb0934797782774490722b71fe;hb=689118326fbe47231865b26c66ae89144459be6a;hp=f145661723be6b4664d4d841a82d38dd216c3a81;hpb=36270146f49052f621553b0b45afe23813ed7e64;p=helm.git

diff --git a/helm/software/lambda-delta/basic_ag/bagEnvironment.ml b/helm/software/lambda-delta/basic_ag/bagEnvironment.ml
index f14566172..04681cfee 100644
--- a/helm/software/lambda-delta/basic_ag/bagEnvironment.ml
+++ b/helm/software/lambda-delta/basic_ag/bagEnvironment.ml
@@ -12,24 +12,28 @@
 module U = NUri
 module L = Log
 module H = U.UriHash
+module Y = Entity
 module B = Bag
 
 exception ObjectNotFound of B.message
 
 let hsize = 7000 
 let env = H.create hsize
-let entry = ref 1
 
 (* Internal functions *******************************************************)
 
+let get_age = 
+   let age = ref 0 in
+   fun () -> incr age; !age
+
 let error uri = raise (ObjectNotFound (L.items1 (U.string_of_uri uri)))
 
 (* Interface functions ******************************************************)
 
-let set_obj f obj =
-   let _, uri, b = obj in
-   let obj = !entry, uri, b in
-   incr entry; H.add env uri obj; f obj
+let set_entity f (a, uri, b) =
+   let age = get_age () in
+   let entry = (Y.Apix age :: a), uri, b in
+   H.add env uri entry; f entry
 
-let get_obj f uri =
+let get_entity f uri =
    try f (H.find env uri) with Not_found -> error uri