X-Git-Url: http://git.kpe.io/?p=clsql.git;a=blobdiff_plain;f=sql%2Fmetaclasses.lisp;h=1c9a6c5b34583fe882886bdb6c65b7ce70f665cd;hp=1fde1eef9f2319b7045396d3d113b0f51bf1a17a;hb=142fb42d3502f82883f7a49c9b0587bfc3de57b1;hpb=39e2802cd264ddacb3ca59b3b2c5c38f202149de

diff --git a/sql/metaclasses.lisp b/sql/metaclasses.lisp
index 1fde1ee..1c9a6c5 100644
--- a/sql/metaclasses.lisp
+++ b/sql/metaclasses.lisp
@@ -542,9 +542,7 @@ implementations."
 (defun slotdef-for-slot-with-class (slot class)
   (typecase slot
     (standard-slot-definition slot)
-    (symbol
-     (find-if #'(lambda (d) (eql slot (slot-definition-name d)))
-              (class-slots class)))))
+    (symbol (find-slot-by-name class slot))))
 
 #+ignore
 (eval-when (:compile-toplevel :load-toplevel :execute)
@@ -578,18 +576,40 @@ implementations."
        cls))
 
 (defun slots-for-possibly-normalized-class (class)
+  "Get the slots for this class, if normalized this is only the direct slots
+   otherwiese its all the slots"
   (if (normalizedp class)
       (ordered-class-direct-slots class)
       (ordered-class-slots class)))
 
+
 (defun key-slot-p (slot-def)
   "takes a slot def and returns whether or not it is a key"
   (eql :key (view-class-slot-db-kind slot-def)))
 
 (defun join-slot-p (slot-def)
-  "takes a slot def and returns whether or not it is a key"
+  "takes a slot def and returns whether or not it is a join slot"
   (eql :join (view-class-slot-db-kind slot-def)))
 
+(defun join-slot-info-value (slot-def key)
+  "Get the join-slot db-info value associated with a key"
+  (when (join-slot-p slot-def)
+    (let ((dbi (view-class-slot-db-info slot-def)))
+      (when dbi (gethash key dbi)))))
+
+(defun join-slot-retrieval-method (slot-def)
+  "if this is a join slot return the retrieval param in the db-info"
+  (join-slot-info-value slot-def :retrieval))
+
+(defun join-slot-class-name (slot-def)
+  "get the join class name for a given join slot"
+  (join-slot-info-value slot-def :join-class))
+
+(defun join-slot-class (slot-def)
+  "Get the join class for a given join slot"
+  (let ((c (join-slot-class-name slot-def)))
+    (when c (find-class c))))
+
 (defun key-or-base-slot-p (slot-def)
   "takes a slot def and returns whether or not it is a key"
   (member (view-class-slot-db-kind slot-def) '(:key :base)))