1 from types import StringTypes
3 from PLC.Faults import *
4 from PLC.Parameter import Parameter
5 from PLC.Filter import Filter
6 from PLC.Table import Row, Table
7 from PLC.Roles import Role, Roles
9 class SliceAttributeType(Row):
11 Representation of a row in the slice_attribute_types table. To
12 use, instantiate with a dict of values.
15 table_name = 'slice_attribute_types'
16 primary_key = 'attribute_type_id'
17 join_tables = ['slice_attribute']
19 'attribute_type_id': Parameter(int, "Slice attribute type identifier"),
20 'name': Parameter(str, "Slice attribute type name", max = 100),
21 'description': Parameter(str, "Slice attribute type description", max = 254),
22 'min_role_id': Parameter(int, "Minimum (least powerful) role that can set or change this attribute"),
23 'peer_id': Parameter(int, "Peer at which this node is managed", nullok = True),
28 foreign_fields = ['description','min_role_id']
31 def validate_name(self, name):
33 raise PLCInvalidArgument, "Slice attribute type name must be set"
35 conflicts = SliceAttributeTypes(self.api, [name])
36 for attribute in conflicts:
37 if 'attribute_type_id' not in self or \
38 self['attribute_type_id'] != attribute['attribute_type_id']:
39 raise PLCInvalidArgument, "Slice attribute type name already in use"
43 def validate_min_role_id(self, role_id):
44 roles = [row['role_id'] for row in Roles(self.api)]
45 if role_id not in roles:
46 raise PLCInvalidArgument, "Invalid role"
50 class SliceAttributeTypes(Table):
52 Representation of row(s) from the slice_attribute_types table in the
56 def __init__(self, api, attribute_type_filter = None, columns = None):
57 Table.__init__(self, api, SliceAttributeType, columns)
59 sql = "SELECT %s FROM slice_attribute_types WHERE True" % \
60 ", ".join(self.columns)
62 if attribute_type_filter is not None:
63 if isinstance(attribute_type_filter, (list, tuple, set)):
64 # Separate the list into integers and strings
65 ints = filter(lambda x: isinstance(x, (int, long)), attribute_type_filter)
66 strs = filter(lambda x: isinstance(x, StringTypes), attribute_type_filter)
67 attribute_type_filter = Filter(SliceAttributeType.fields, {'attribute_type_id': ints, 'name': strs})
68 sql += " AND (%s)" % attribute_type_filter.sql(api, "OR")
69 elif isinstance(attribute_type_filter, dict):
70 attribute_type_filter = Filter(SliceAttributeType.fields, attribute_type_filter)
71 sql += " AND (%s)" % attribute_type_filter.sql(api, "AND")