;;;;
;;;; $Id$
;;;;
-;;;; This file is Copyright (c) 2000-2003 by Kevin M. Rosenberg
+;;;; This file is Copyright (c) 2000-2006 by Kevin M. Rosenberg
;;;; *************************************************************************
-
+
(in-package #:hyperobject)
;; Main class
;;; The remainder of these fields are calculated one time
;;; in finalize-inheritence.
-
+
(subobjects :initform nil :accessor subobjects
:documentation
"List of fields that contain a list of subobjects objects.")
+ (compute-cached-values :initform nil :accessor compute-cached-values
+ :documentation
+ "List of fields that contain a list of compute-cached-value objects.")
(hyperlinks :type list :initform nil :accessor hyperlinks
:documentation "List of fields that have hyperlinks")
(direct-rules :type list :initform nil :initarg :direct-rules
(direct-views :type list :initform nil :initarg :direct-views
:accessor direct-views
:documentation "List of views")
- (class-id :type integer :initform nil
+ (class-id :type integer :initform (+ (* 1000000 (get-universal-time)) (random 1000000))
:accessor class-id
:documentation "Unique ID for the class")
(default-view :initform nil :initarg :default-view :accessor default-view
:documentation "The default view for a class")
(documementation :initform nil :initarg :documentation
:documentation "Documentation string for hyperclass.")
-
+
;; SQL commands
(create-table-cmd :initform nil :reader create-table-cmd)
(create-indices-cmds :initform nil :reader create-index-cmds)
(defclass subobject ()
((name-class :type symbol :initarg :name-class :reader name-class)
(name-slot :type symbol :initarg :name-slot :reader name-slot)
- (subobj-class :type symbol :initarg :subobj-class :reader subobj-class)
+ (lazy-class :type symbol :initarg :lazy-class :reader lazy-class)
+ (lookup :type (or function symbol) :initarg :lookup :reader lookup)
+ (lookup-keys :type list :initarg :lookup-keys :reader lookup-keys))
+ (:documentation "subobject information")
+ (:default-initargs :name-class nil :name-slot nil :lazy-class nil
+ :lookup nil :lookup-keys nil))
+
+(defclass compute-cached-value ()
+ ((name-class :type symbol :initarg :name-class :reader name-class)
+ (name-slot :type symbol :initarg :name-slot :reader name-slot)
+ (lazy-class :type symbol :initarg :lazy-class
+ :reader lazy-class)
(lookup :type (or function symbol) :initarg :lookup :reader lookup)
(lookup-keys :type list :initarg :lookup-keys :reader lookup-keys))
(:documentation "subobject information")
- (:default-initargs :name-class nil :name-slot nil :subobj-class nil
+ (:default-initargs :name-class nil :name-slot nil :lazy-class nil
:lookup nil :lookup-keys nil))
(defmethod validate-superclass ((class hyperobject-class) (superclass standard-class))
t)
+
+(declaim (inline delistify))
+(defun delistify (list)
+ "Some MOPs, like openmcl 0.14.2, cons attribute values in a list."
+ (if (listp list)
+ (car list)
+ list))
+
+(defun remove-keyword-arg (arglist akey)
+ (let ((mylist arglist)
+ (newlist ()))
+ (labels ((pop-arg (alist)
+ (let ((arg (pop alist))
+ (val (pop alist)))
+ (unless (equal arg akey)
+ (setf newlist (append (list arg val) newlist)))
+ (when alist (pop-arg alist)))))
+ (pop-arg mylist))
+ newlist))
+
+(defun remove-keyword-args (arglist akeys)
+ (let ((mylist arglist)
+ (newlist ()))
+ (labels ((pop-arg (alist)
+ (let ((arg (pop alist))
+ (val (pop alist)))
+ (unless (find arg akeys)
+ (setf newlist (append (list arg val) newlist)))
+ (when alist (pop-arg alist)))))
+ (pop-arg mylist))
+ newlist))
+
+
+(defmethod shared-initialize :around ((class hyperobject-class) slot-names
+ &rest initargs
+ &key direct-superclasses
+ user-name sql-name name description
+ &allow-other-keys)
+ ;(format t "ii ~S ~S ~S ~S ~S~%" initargs base-table direct-superclasses user-name sql-name)
+ (let ((root-class (find-class 'hyperobject nil))
+ (vmc 'hyperobject-class)
+ user-name-plural user-name-str sql-name-str)
+ ;; when does CLSQL pass :qualifier to initialize instance?
+ (setq user-name-str
+ (if user-name
+ (delistify user-name)
+ (and name (format nil "~:(~A~)" name))))
+
+ (setq sql-name-str
+ (if sql-name
+ (delistify sql-name)
+ (and name (lisp-name-to-sql-name name))))
+
+ (if sql-name
+ (delistify sql-name)
+ (and name (lisp-name-to-sql-name name)))
+
+ (setq description (delistify description))
+
+ (setq user-name-plural
+ (if (and (consp user-name) (second user-name))
+ (second user-name)
+ (and user-name-str (format nil "~A~P" user-name-str 2))))
+
+ (flet ((do-call-next-method (direct-superclasses)
+ (let ((fn-args (list class slot-names :direct-superclasses direct-superclasses))
+ (rm-args '(:direct-superclasses)))
+ (when user-name-str
+ (setq fn-args (nconc fn-args (list :user-name user-name-str)))
+ (push :user-name rm-args))
+ (when user-name-plural
+ (setq fn-args (nconc fn-args (list :user-name-plural user-name-plural)))
+ (push :user-name-plural rm-args))
+ (when sql-name-str
+ (setq fn-args (nconc fn-args (list :sql-name sql-name-str)))
+ (push :sql-name rm-args))
+ (when description
+ (setq fn-args (nconc fn-args (list :description description)))
+ (push :description rm-args))
+ (setq fn-args (nconc fn-args (remove-keyword-args initargs rm-args)))
+ (apply #'call-next-method fn-args))))
+ (if root-class
+ (if (some #'(lambda (super) (typep super vmc))
+ direct-superclasses)
+ (do-call-next-method direct-superclasses)
+ (do-call-next-method direct-superclasses #+nil (append (list root-class)
+ direct-superclasses)))
+ (do-call-next-method direct-superclasses)))))
+
+
(defmethod finalize-inheritance :after ((cl hyperobject-class))
- ;; Work-around needed for OpenMCL
- #+ignore
- (unless (find-class (class-name cl))
- (setf (find-class (class-name cl)) cl))
-
- (init-hyperobject-class cl)
- )
+ "Initialize a hyperobject class. Calculates all class slots"
+ (finalize-subobjects cl)
+ (finalize-compute-cached cl))
(eval-when (:compile-toplevel :load-toplevel :execute)
(when (>= (length (generic-function-lambda-list
'compute-effective-slot-definition)))
3)
(pushnew :ho-normal-cesd cl:*features*))
-
+
(when (>= (length (generic-function-lambda-list
(ensure-generic-function
'direct-slot-definition-class)))
3)
(pushnew :ho-normal-dsdc cl:*features*))
-
+
(when (>= (length (generic-function-lambda-list
(ensure-generic-function
'effective-slot-definition-class)))
3)
(pushnew :ho-normal-esdc cl:*features*)))
-;; Slot definitions
(defmethod direct-slot-definition-class ((cl hyperobject-class)
#+ho-normal-dsdc &rest iargs)
+ (declare (ignore iargs))
(find-class 'hyperobject-dsd))
-(defmethod effective-slot-definition-class ((cl hyperobject-class)
+(defmethod effective-slot-definition-class ((cl hyperobject-class)
#+ho-normal-esdc &rest iargs)
+ (declare (ignore iargs))
(find-class 'hyperobject-esd))
-
;;; Slot definitions
(eval-when (:compile-toplevel :load-toplevel :execute)
#-lispworks
(declare (ignore slot-name))
)
-
+
(dolist (option *class-options*)
(eval `(process-class-option ,option)))
(dolist (option *slot-options*)
(t
t)))
+
(defmethod compute-effective-slot-definition :around ((cl hyperobject-class)
#+ho-normal-cesd name
dsds)
esd)))
(defun compute-hyperobject-esd (esd dsds)
- (let* ((dsd (car dsds))
- (value-type (canonicalize-value-type (slot-value dsd 'value-type))))
- (multiple-value-bind (sql-type sql-length)
- (value-type-to-sql-type value-type)
+ (let* ((dsd (car dsds)))
+ (multiple-value-bind (sql-type sql-length)
+ (value-type-to-sql-type (dsd-value-type dsd))
(setf (esd-sql-type esd) sql-type)
(setf (esd-sql-length esd) sql-length))
- (setf (slot-value esd 'type) (value-type-to-lisp-type value-type))
- (setf (esd-value-type esd) value-type)
(setf (esd-user-name esd)
(aif (dsd-user-name dsd)
- it
+ it
(string-downcase (symbol-name (slot-definition-name dsd)))))
(setf (esd-sql-name esd)
(aif (dsd-sql-name dsd)
(aif (dsd-sql-name dsd)
it
(lisp-name-to-sql-name (slot-definition-name dsd))))
- (dolist (name '(print-formatter subobject hyperlink hyperlink-parameters
+ (dolist (name '(value-type print-formatter subobject hyperlink
+ hyperlink-parameters unbound-lookup
description value-constraint indexed null-allowed
unique short-description void-text read-only-groups
hidden-groups unit disable-predicate view-type
- list-of-values stored))
+ list-of-values compute-cached-value stored))
(setf (slot-value esd name) (slot-value dsd name)))
esd))
;; The reader is a function and the reader-keys are slot names. The slot is lazily set to
;; the result of applying the function to the slot-values of those slots, and that value
;; is also returned.
-(defun ensure-lazy-reader (cl class-name slot-name subobj-class reader
+(defun ensure-lazy-reader (cl class-name slot-name lazy-class reader
&rest reader-keys)
+ (declare (ignore class-name))
(setf (getf (gethash cl *lazy-readers*) slot-name)
- (aif subobj-class
+ (aif lazy-class
it
(list* reader (copy-list reader-keys)))))
nil))
+(defun store-lazily-computed-objects (cl slot esd-accessor obj-class)
+ (setf (slot-value cl slot)
+ (let ((objs '()))
+ (dolist (slot (class-slots cl))
+ (let-when
+ (def (funcall esd-accessor slot))
+ (let ((obj (make-instance obj-class
+ :name-class (class-name cl)
+ :name-slot (slot-definition-name slot)
+ :lazy-class (when (atom def)
+ def)
+ :lookup (when (listp def)
+ (car def))
+ :lookup-keys (when (listp def)
+ (cdr def)))))
+ (unless (eq (lookup obj) t)
+ (apply #'ensure-lazy-reader
+ cl
+ (name-class obj) (name-slot obj)
+ (lazy-class obj)
+ (lookup obj) (lookup-keys obj))
+ (push obj objs)))))
+ ;; sbcl/cmu reverse class-slots compared to the defclass form
+ ;; so re-reverse on cmu/sbcl
+ #+(or cmu sbcl) objs
+ #-(or cmu sbcl) (nreverse objs)
+ )))
+
(defun finalize-subobjects (cl)
- "Process class subobjects slot"
- (setf (subobjects cl)
- (let ((subobjects '()))
- (dolist (slot (class-slots cl))
- (let-when
- (subobj-def (esd-subobject slot))
- (let ((subobject
- (make-instance 'subobject
- :name-class (class-name cl)
- :name-slot (slot-definition-name slot)
- :subobj-class (when (atom subobj-def)
- subobj-def)
- :lookup (when (listp subobj-def)
- (car subobj-def))
- :lookup-keys (when (listp subobj-def)
- (cdr subobj-def)))))
- (unless (eq (lookup subobject) t)
- (apply #'ensure-lazy-reader
- cl
- (name-class subobject) (name-slot subobject)
- (subobj-class subobject)
- (lookup subobject) (lookup-keys subobject))
- (push subobject subobjects)))))
- ;; sbcl/cmu reverse class-slots compared to the defclass form
- ;; so re-reverse on cmu/sbcl
- #+(or cmu sbcl) subobjects
- #-(or cmu sbcl) (nreverse subobjects)
- )))
-
-(defun finalize-class-slots (cl)
- "Make sure all class slots have an expected value"
- (unless (user-name cl)
- (setf (user-name cl) (format nil "~:(~A~)" (class-name cl))))
-
- (setf (user-name-plural cl)
- (if (and (consp (user-name cl)) (cadr (user-name cl)))
- (cadr (user-name cl))
- (format nil "~A~P" (if (consp (user-name cl))
- (car (user-name cl))
- (user-name cl))
- 2)))
-
- (dolist (name '(user-name description version guid sql-name))
- (awhen (slot-value cl name)
- (setf (slot-value cl name)
- (if (listp it)
- (car it)
- it))))
-
- (unless (sql-name cl)
- (setf (sql-name cl) (lisp-name-to-sql-name (class-name cl))))
- )
+ (store-lazily-computed-objects cl 'subobjects 'esd-subobject 'subobject))
+
+(defun finalize-compute-cached (cl)
+ (store-lazily-computed-objects cl 'compute-cached-values
+ 'esd-compute-cached-value 'compute-cached-value))
+
(defun finalize-documentation (cl)
"Calculate class documentation slot"
(defun init-hyperobject-class (cl)
"Initialize a hyperobject class. Calculates all class slots"
- (finalize-subobjects cl)
(finalize-views cl)
(finalize-hyperlinks cl)
(finalize-sql cl)
(finalize-rules cl)
- (finalize-class-slots cl)
(finalize-documentation cl))
+
+
;;;; *************************************************************************
;;;; Metaclass Slot Accessors
;;;; *************************************************************************
projects / hyperobject.git / blobdiff