- "You got another thing comin'" -- Judas Priest

- Add get_request() method to (Dynamic)SubRequest.
- Implement most of ConcreteHistory. It is a fairly complex class,
with some real evilness in it. It should be thouroughly documented 
ASAP.


git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@699 3ecf2c5c-341e-0410-92b4-d18e462d057c

src/backend/concrete_environment.hh

@@ -47,9 +47,6 @@ namespace sgpem
   {
 
   public:
-		typedef  std::vector<Process*>               Processes;
-		typedef  std::map<resource_key_t, Resource*> Resources;
-
     /// \brief Standard constructor.
     /// Builds an empty environment.
     ConcreteEnvironment();
@@ -69,7 +66,7 @@ namespace sgpem
     /// always safe.
     ///
     /// \return a constant set of snapshots of processes
-    virtual const ConstProcesses
+    virtual const Processes&
 			get_processes() const;
 
 
@@ -101,7 +98,7 @@ namespace sgpem
     ///
     /// \return a indexed constant set of snapshot of resources.
     /// \see DynamicSybrequest::get_resource()
-    virtual const ConstResources
+    virtual const Resources&
 			get_resources() const;
 
 
@@ -126,7 +123,7 @@ namespace sgpem
     ///
     /// \param resource The resource the requests are for
     /// \return The current ready requests queue.
-    virtual const ConstRequests
+    virtual const Requests
 			get_request_queue(resource_key_t resource_key) const;