Replaced notion of session uuid by session id which is more generic (could be a uuid, or something else).

Use STRING_TABLE for the implementation of session data container.
Added a few missing comments.

library/server/wsf/session/wsf_cookie_session.e

@@ -60,7 +60,8 @@ feature {NONE} -- Initialization
 
 feature -- Cookie
 
-	apply_to (h: HTTP_HEADER_BUILDER; a_request: WSF_REQUEST; a_path: detachable READABLE_STRING_8)
+	apply_to (h: HTTP_HEADER_MODIFIER; a_request: WSF_REQUEST; a_path: detachable READABLE_STRING_8)
+			-- <Precursor>
 		local
 			dt: detachable DATE_TIME
 			l_domain: detachable READABLE_STRING_8
@@ -79,13 +80,18 @@ feature -- Cookie
 					create dt.make_now_utc
 					dt.day_add (40)
 				end
-				h.put_cookie_with_expiration_date (cookie_name, uuid, dt, a_path, l_domain, False, True)
+				h.put_cookie_with_expiration_date (cookie_name, id, dt, a_path, l_domain, False, True)
 			end
 		end
 
 	cookie_name: READABLE_STRING_8
 
-feature -- Access		
+feature -- Access	
+
+	id: READABLE_STRING_8
+		do
+			Result := uuid
+		end
 
 	uuid: READABLE_STRING_8
 
@@ -135,8 +141,8 @@ feature {NONE} -- Storage
 
 	load
 		do
-			if manager.session_exists (uuid) then
-				if attached manager.session_data (uuid) as d then
+			if manager.session_exists (id) then
+				if attached manager.session_data (id) as d then
 					data := d
 					set_expiration (data.expiration)
 				else

library/server/wsf/session/wsf_fs_session_manager.e

@@ -68,7 +68,7 @@ feature -- Persistence
 					delete_session (a_session)
 				else
 					ensure_session_folder_exists
-					create f.make_with_path (file_name (a_session.uuid))
+					create f.make_with_path (file_name (a_session.id))
 					if not f.exists or else f.is_writable then
 						f.create_read_write
 						a_session.data.set_expiration (a_session.expiration)
@@ -91,7 +91,7 @@ feature -- Persistence
 			rescued: BOOLEAN
 		do
 			if not rescued then
-				create f.make_with_path (file_name (a_session.uuid))
+				create f.make_with_path (file_name (a_session.id))
 				if f.exists then
 					f.delete
 				end

library/server/wsf/session/wsf_session.e

@@ -7,26 +7,43 @@ note
 deferred class
 	WSF_SESSION
 
-feature -- Access		
+feature -- Access
+
+	id: READABLE_STRING_8
+			-- Session identifier.
+		deferred
+		end
 
 	uuid: READABLE_STRING_8
+		obsolete
+			"Use `id' which is more general [2014-03]"
 		deferred
 		end
 
 	data: WSF_SESSION_DATA
+			-- Data associated with current session.
 		deferred
 		end
 
 	expiration: detachable DATE_TIME
+			-- Expiration date for current session, if any.
 		deferred
 		end
 
 	expired: BOOLEAN
+			-- Is current session expired now?
+		do
+			Result := expired_at (create {DATE_TIME}.make_now_utc)
+		end
+
+	expired_at (dt: DATE_TIME): BOOLEAN
+			-- Is current session expired at date and time `dt'?
 		do
 			if attached expiration as e then
-				Result := e < (create {DATE_TIME}.make_now_utc)
+				Result := e < (dt)
 			end
 		end
+
 feature -- status
 
 	is_pending: BOOLEAN
@@ -36,27 +53,32 @@ feature -- status
 		end
 
 	is_destroyed: BOOLEAN
+			-- Is current session in destroyed state?
 		deferred
 		end
 
 feature -- Entries
 
-	table: TABLE_ITERABLE [detachable ANY, READABLE_STRING_32]
+	table: TABLE_ITERABLE [detachable ANY, READABLE_STRING_GENERAL]
+			-- Table of session data indexed by key
 		do
 			Result := data
 		end
 
-	item (k: READABLE_STRING_GENERAL): detachable ANY
+	item alias "[]" (k: READABLE_STRING_GENERAL): detachable ANY assign remember
+			-- Session value associated with key `k'.
 		do
 			Result := data.item (table_key (k))
 		end
 
 	remember (v: detachable ANY; k: READABLE_STRING_GENERAL)
+			-- Remember value `v' in association with key `k'.
 		do
 			data.force (v, table_key (k))
 		end
 
 	forget (k: READABLE_STRING_GENERAL)
+			-- Forget about value associated with key `k'.
 		do
 			data.remove (table_key (k))
 		end
@@ -71,14 +93,16 @@ feature {NONE} -- Implementation
 feature -- Control
 
 	destroy
+			-- Destroy current session.
 		deferred
 		end
 
 	commit
+			-- Commit current session, including data associated.
 		deferred
 		end
 
-	apply_to (h: HTTP_HEADER_BUILDER; req: WSF_REQUEST; a_path: detachable READABLE_STRING_8)
+	apply_to (h: HTTP_HEADER_MODIFIER; req: WSF_REQUEST; a_path: detachable READABLE_STRING_8)
 			-- Apply current session to header `h' for request `req' and optional path `a_path'.
 			-- note: either use `apply_to' or `apply', not both.
 		deferred

library/server/wsf/session/wsf_session_data.e

@@ -8,7 +8,13 @@ class
 	WSF_SESSION_DATA
 
 inherit
-	HASH_TABLE [detachable ANY, READABLE_STRING_32]
+	STRING_TABLE [detachable ANY]
+		rename
+			make as old_make,
+			make_caseless as make
+		redefine
+			empty_duplicate
+		end
 
 create
 	make
@@ -24,4 +30,22 @@ feature -- Element change
 			expiration := dt
 		end
 
+feature {NONE} -- Duplication
+
+	empty_duplicate (n: INTEGER): like Current
+			-- Create an empty copy of Current that can accommodate `n' items
+		do
+			create Result.make (n)
+		end
+
+note
+	copyright: "2011-2014, Jocelyn Fiat, Javier Velilla, Olivier Ligot, Colin Adams, Eiffel Software and others"
+	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
+	source: "[
+			Eiffel Software
+			5949 Hollister Ave., Goleta, CA 93117 USA
+			Telephone 805-685-1006, Fax 805-685-6869
+			Website http://www.eiffel.com
+			Customer support http://support.eiffel.com
+		]"
 end