2 # Thierry Parmentelat - INRIA
6 from types import StringTypes
8 from PLC.Faults import *
9 from PLC.Parameter import Parameter
10 from PLC.Filter import Filter
11 from PLC.Table import Row, Table
12 from PLC.Roles import Role, Roles
14 class NodeTagType (Row):
17 Representation of a row in the node_tag_types table.
20 table_name = 'node_tag_types'
21 primary_key = 'node_tag_type_id'
22 join_tables = ['node_tag']
24 'node_tag_type_id': Parameter(int, "Node tag type identifier"),
25 'name': Parameter(str, "Node tag type name", max = 100),
26 'description': Parameter(str, "Node tag type description", max = 254),
27 'category' : Parameter (str, "Node tag category", max=64),
28 'min_role_id': Parameter(int, "Minimum (least powerful) role that can set or change this attribute"),
33 foreign_fields = ['category','description','min_role_id']
36 def validate_name(self, name):
38 raise PLCInvalidArgument, "node tag type name must be set"
40 conflicts = NodeTagTypes(self.api, [name])
41 for tag_type in conflicts:
42 if 'node_tag_type_id' not in self or \
43 self['node_tag_type_id'] != tag_type['node_tag_type_id']:
44 raise PLCInvalidArgument, "node tag type name already in use"
48 def validate_min_role_id(self, role_id):
49 roles = [row['role_id'] for row in Roles(self.api)]
50 if role_id not in roles:
51 raise PLCInvalidArgument, "Invalid role"
55 class NodeTagTypes(Table):
57 Representation of row(s) from the node_tag_types table
61 def __init__(self, api, node_tag_type_filter = None, columns = None):
62 Table.__init__(self, api, NodeTagType, columns)
64 sql = "SELECT %s FROM node_tag_types WHERE True" % \
65 ", ".join(self.columns)
67 if node_tag_type_filter is not None:
68 if isinstance(node_tag_type_filter, (list, tuple, set)):
69 # Separate the list into integers and strings
70 ints = filter(lambda x: isinstance(x, (int, long)), node_tag_type_filter)
71 strs = filter(lambda x: isinstance(x, StringTypes), node_tag_type_filter)
72 node_tag_type_filter = Filter(NodeTagType.fields, {'node_tag_type_id': ints, 'name': strs})
73 sql += " AND (%s) %s" % node_tag_type_filter.sql(api, "OR")
74 elif isinstance(node_tag_type_filter, dict):
75 node_tag_type_filter = Filter(NodeTagType.fields, node_tag_type_filter)
76 sql += " AND (%s) %s" % node_tag_type_filter.sql(api, "AND")
77 elif isinstance (node_tag_type_filter, StringTypes):
78 node_tag_type_filter = Filter(NodeTagType.fields, {'name':[node_tag_type_filter]})
79 sql += " AND (%s) %s" % node_tag_type_filter.sql(api, "AND")
81 raise PLCInvalidArgument, "Wrong node tag type filter %r"%node_tag_type_filter