sql_catalog: Use isIndexable from SQLCatalog

product/ZSQLCatalog/SQLCatalog.py

@@ -1258,7 +1258,7 @@ class Catalog(Folder,
       Similar problems may happen with relations and acquisition of uid values (ex. order_uid)
       with the risk of graph loops
     """
-    if not self.getPortalObject().isIndexable():
+    if not self.isIndexable():
       return None
 
     with global_reserved_uid_lock:
@@ -1430,7 +1430,7 @@ class Catalog(Folder,
       LOG('ZSLQCatalog.SQLCatalog:catalogObjectList', WARNING,
           'idxs is ignored in this function and is only provided to be compatible with CMFCatalogAware.reindexObject.')
 
-    if not self.getPortalObject().isIndexable():
+    if not self.isIndexable():
       return
 
     # Reminder about optimization: It might be possible to issue just one
@@ -1684,7 +1684,7 @@ class Catalog(Folder,
     """
     Set the path as deleted
     """
-    if not self.getPortalObject().isIndexable():
+    if not self.isIndexable():
       return None
 
     if uid is None and path is not None:
@@ -1717,7 +1717,7 @@ class Catalog(Folder,
     XXX Add filter of methods
 
     """
-    if not self.getPortalObject().isIndexable():
+    if not self.isIndexable():
       return None
 
     if uid is None and path is not None: