@param ref: The schema reference being queried. @type ref: qref
(self, ref=None)
| 32 | """ |
| 33 | |
| 34 | def __init__(self, ref=None): |
| 35 | """ |
| 36 | @param ref: The schema reference being queried. |
| 37 | @type ref: qref |
| 38 | """ |
| 39 | Object.__init__(self) |
| 40 | self.id = objid(self) |
| 41 | self.ref = ref |
| 42 | self.history = [] |
| 43 | self.resolved = False |
| 44 | if not isqref(self.ref): |
| 45 | raise Exception('%s, must be qref' % tostr(self.ref)) |
| 46 | |
| 47 | def execute(self, schema): |
| 48 | """ |