;;;; in Text, HTML, and XML formats. This includes hyperlinking
;;;; capability and sub-objects.
;;;;
-;;;; $Id: mop.lisp,v 1.11 2002/12/13 08:25:45 kevin Exp $
+;;;; $Id: mop.lisp,v 1.12 2002/12/13 22:00:05 kevin Exp $
;;;;
;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
;;;;
"List of fields that contain a list of subobjects objects.")
(hyperlinks :type list :initform nil :accessor hyperlinks
:documentation "List of fields that have hyperlinks")
+ (direct-rules :type list :initform nil :accessor direct-rules
+ :documentation "List of rules to fire on slot changes.")
(class-id :type integer :initform nil
:accessor class-id
:documentation "Unique ID for the class")
:description (slot-value dsd 'description)
:user-name (slot-value dsd 'user-name)
:index (slot-value dsd 'index)
+ :value-constraint (slot-value dsd 'value-constraint)
+ :null-allowed (slot-value dsd 'null-allowed)
ia))))
(defun ho-type-to-lisp-type (ho-type)
(defun hyperobject-class-fields (obj)
(class-slots (class-of obj)))
+;;; Slot accessor and class rules
+
+(defun fire-class-rules (cl obj)
+ "Fire all class rules. Called after a slot is modified."
+ (dolist (rule (direct-rules cl))
+ (cmsg "firing rule: ~a" rule)))
+
+
+(defmethod (setf slot-value-using-class)
+ :around (new-value (cl hyperobject-class) obj
+ (slot standard-effective-slot-definition))
+ (cmsg-c :verbose "Setf slot value: class: ~s, obj: ~s, slot: ~s, value: ~s" cl (class-of obj) slot new-value)
+ (let ((func (esd-value-constraint slot)))
+ (cond
+ ((and func (not (funcall func new-value obj)))
+ (warn "Rejected change to value of slot ~a of object ~a"
+ (slot-definition-name slot) obj)
+ (slot-value obj (slot-definition-name slot)))
+ (t
+ (call-next-method)
+ (fire-class-rules cl obj)
+ new-value))))
+
+(defmethod slot-value-using-class :around ((cl hyperobject-class) obj
+ (slot standard-effective-slot-definition))
+ (let ((value (call-next-method)))
+ (cmsg-c :verbose "slot value: class: ~s, obj: ~s, slot: ~s" cl (class-of obj) slot)
+ value))
;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Apr 2000
;;;;
-;;;; $Id: package.lisp,v 1.19 2002/12/13 07:33:54 kevin Exp $
+;;;; $Id: package.lisp,v 1.20 2002/12/13 22:00:05 kevin Exp $
;;;;
;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
;;;; *************************************************************************
`(mop::class-slots mop::slot-definition-name mop:finalize-inheritance
mop::standard-direct-slot-definition mop::standard-effective-slot-definition
mop:direct-slot-definition-class mop:compute-effective-slot-definition
- excl::compute-effective-slot-definition-initargs)
+ excl::compute-effective-slot-definition-initargs
+ mop:slot-value-using-class)
#+lispworks
`(clos:class-slots clos::slot-definition-name clos:finalize-inheritance
clos::standard-direct-slot-definition clos::standard-effective-slot-definition
clos:direct-slot-definition-class clos:compute-effective-slot-definition
- clos::compute-effective-slot-definition-initargs)
+ clos::compute-effective-slot-definition-initargs
+ clos:slot-value-using-class)
#+sbcl
`(sb-pcl:class-of sb-pcl:class-name sb-pcl:class-slots sb-pcl:find-class
sb-pcl::standard-class
sb-pcl::standard-direct-slot-definition
sb-pcl::standard-effective-slot-definition sb-pcl::validate-superclass
sb-pcl:direct-slot-definition-class sb-pcl:compute-effective-slot-definition
- sb-pcl::compute-effective-slot-definition-initargs)
+ sb-pcl::compute-effective-slot-definition-initargs
+ sb-pcl::slot-value-using-class)
#+cmu
`(pcl:class-of pcl:class-name pcl:class-slots pcl:find-class pcl::standard-class
pcl::slot-definition-name pcl:finalize-inheritance
pcl::standard-direct-slot-definition pcl::standard-effective-slot-definition
pcl::validate-superclass pcl:direct-slot-definition-class
pcl:compute-effective-slot-definition
- pcl::compute-effective-slot-definition-initargs)
+ pcl::compute-effective-slot-definition-initargs
+ pcl::slot-value-using-class)
#+scl
`(clos:class-slots clos::standard-class
clos::slot-definition-name clos:finalize-inheritance
clos::standard-direct-slot-definition clos::standard-effective-slot-definition
clos::validate-superclass clos:direct-slot-definition-class
clos:compute-effective-slot-definition
- clos::compute-effective-slot-definition-initargs)
+ clos::compute-effective-slot-definition-initargs
+ clos::slot-value-using-class)
:hyperobject))