2 # Functions for interacting with the network_types table in the database
4 # Mark Huang <mlhuang@cs.princeton.edu>
5 # Copyright (C) 2006 The Trustees of Princeton University
11 from PLC.Faults import *
12 from PLC.Parameter import Parameter
13 from PLC.Table import Row, Table
15 class NetworkType(Row):
17 Representation of a row in the network_types table. To use,
18 instantiate with a dict of values.
21 table_name = 'network_types'
23 join_tables = ['interfaces']
25 'type': Parameter(str, "Network type", max = 20),
28 def validate_type(self, name):
29 # Make sure name is not blank
31 raise PLCInvalidArgument, "Network type must be specified"
33 # Make sure network type does not alredy exist
34 conflicts = NetworkTypes(self.api, [name])
36 raise PLCInvalidArgument, "Network type name already in use"
40 class NetworkTypes(Table):
42 Representation of the network_types table in the database.
45 def __init__(self, api, types = None):
46 Table.__init__(self, api, NetworkType)
48 sql = "SELECT %s FROM network_types" % \
49 ", ".join(NetworkType.fields)
52 sql += " WHERE type IN (%s)" % ", ".join(map(api.db.quote, types))