comparison implementations/geerdes/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]>

 	       :accessor properties
 	       :initform 'nil)))
 
 (defclass geerdes-object (property-list-mixin) ())
 
-(defclass geerdes-identifier (composition-identifier geerdes-object) ())
-(defclass geerdes-identifier-cat-id (geerdes-identifier)
+(defclass geerdes-identifier (geerdes-object) ())
+
+(defclass geerdes-composition-identifier (composition-identifier
+					  geerdes-object) ())
+
+(defclass geerdes-identifier-cat-id (geerdes-composition-identifier)
   ((cat-id :initarg :cat-id
 	   :initform 'nil)))
-(defclass geerdes-identifier-file-id (geerdes-identifier)
+
+(defclass geerdes-identifier-file-id (geerdes-composition-identifier)
   ((file-id :initarg :file-id
-	    :initform 'nil)))
+	    :initform 'nil))
+  (:documentation "Define geerdes-file-id as composition-id."))
+
+(defclass geerdes-event-identifier (event-identifier
+				    geerdes-identifier)
+  ((event-id :initarg :event-id
+	     :reader event-id)))
 
 (defclass geerdes-composition (midi-composition geerdes-object)
   ((db-entry :initarg :db-entry
 	     :initform nil
 	     :accessor %db-entry)

 			  :accessor %i-o-i)
    (inter-onset-interval-mode :initarg :ioi-mode
 			      :initform 0
 			      :accessor %ioi-mode)))
 
-(defclass geerdes-pitched-event (midi-pitched-event geerdes-object)
-  ((id :initarg :id
-       :accessor %geerdes-pitched-event-id))
-  (:documentation "Only adds a database id to midi-pitched-event"))
+(defclass geerdes-event (geerdes-object) ()
+  (:documentation "Base class for geerdes events."))
 
-(defclass geerdes-percussive-event (midi-percussive-event geerdes-object)
-  ((id :initarg :id
-       :accessor %geerdes-percussive-event-id))
-  (:documentation "Only adds a database id to midi-percussive-event"))
+(defclass geerdes-pitched-event (midi-pitched-event geerdes-event)
+  ((identifier :initarg :identifier
+	       :reader identifier))
+  (:documentation "Only adds a database identifier to
+  midi-pitched-event"))
+
+(defclass geerdes-percussive-event (midi-percussive-event
+				    geerdes-event)
+  ((identifier :initarg :identifier
+	       :reader identifier))
+  (:documentation "Only adds a database identifier to
+  midi-percussive-event"))