2 # Thierry Parmentelat - INRIA
4 from PLC.Faults import *
5 from PLC.Parameter import Parameter
6 from PLC.Filter import Filter
7 from PLC.Table import Row, Table
8 from PLC.Nodes import Node, Nodes
9 from PLC.TagTypes import TagType, TagTypes
13 Representation of a row in the node_tag.
14 To use, instantiate with a dict of values.
17 table_name = 'node_tag'
18 primary_key = 'node_tag_id'
20 'node_tag_id': Parameter(int, "Node tag identifier"),
21 'node_id': Node.fields['node_id'],
22 'hostname' : Node.fields['hostname'],
23 'tag_type_id': TagType.fields['tag_type_id'],
24 'value': Parameter(str, "Node tag value"),
25 'tagname': TagType.fields['tagname'],
26 'description': TagType.fields['description'],
27 'category': TagType.fields['category'],
30 class NodeTags(Table):
32 Representation of row(s) from the node_tag table in the
36 def __init__(self, api, node_tag_filter = None, columns = None):
37 Table.__init__(self, api, NodeTag, columns)
39 sql = "SELECT %s FROM view_node_tags WHERE True" % \
40 ", ".join(self.columns)
42 if node_tag_filter is not None:
43 if isinstance(node_tag_filter, (list, tuple, set, int, long)):
44 node_tag_filter = Filter(NodeTag.fields, {'node_tag_id': node_tag_filter})
45 elif isinstance(node_tag_filter, dict):
46 node_tag_filter = Filter(NodeTag.fields, node_tag_filter)
48 raise PLCInvalidArgument, "Wrong node tag filter %r"%node_tag_filter
49 sql += " AND (%s) %s" % node_tag_filter.sql(api)