comparison base/classes.lisp @ 217:d8f650e3796e

Rationalise base and geerdes classes, constructors and methods.

Ignore-this: d9d4d88566a6d110844d91d4c70513cd

Towards a more standardised interface. Some of these changes (generalised
constructors and reader functions) are necessary for amuse-database-admin
functionality and some other CHARM-like things.

darcs-hash:20090716154406-16a00-8a9b4fb1fc1f5ba75af66a1bbd87e1bb68e02493.gz

committer: Jamie Forth <[e-mail]>

 
 ;; types of information-specifiers
 
 (defclass identifier (amuse-object) ()
   (:documentation "DEPRECATED: Base class to allow specification of
-  composition to get. Must be subclassed."))
+  composition to get. Must be subclassed.")) ; FIXME: Why deprecated?
 
 (defclass constituent-identifier (identifier) ()
-  (:documentation "Base class to allow specifiction of constituents"))
+  (:documentation "Base class to allow specification of
+  constituents"))
+
 (defclass composition-identifier (constituent-identifier) ()
-  (:documentation "Base class to allow-specification of constituents"))
+  (:documentation "Base class to allow specification of
+  compositions constituents"))
+
+(defclass event-identifier (identifier) ()
+  (:documentation "Base class to allow specification of events."))
 
 (defclass moment (amuse-object) ()
   (:documentation "Object indicating a point in time"))
 (defclass period (amuse-object) ()
   (:documentation "Object indicating a region of time"))