# Mark Huang <mlhuang@cs.princeton.edu>
# Copyright (C) 2006 The Trustees of Princeton University
#
-# $Id: NodeGroups.py,v 1.15 2006/10/25 14:29:13 mlhuang Exp $
+# $Id: NodeGroups.py,v 1.18 2006/11/09 03:07:42 mlhuang Exp $
#
from types import StringTypes
from PLC.Faults import *
from PLC.Parameter import Parameter
+from PLC.Filter import Filter
from PLC.Debug import profile
from PLC.Table import Row, Table
from PLC.Nodes import Node, Nodes
database.
"""
- def __init__(self, api, nodegroup_id_or_name_list = None):
- self.api = api
-
- sql = "SELECT %s FROM view_nodegroups" % \
- ", ".join(NodeGroup.fields)
-
- if nodegroup_id_or_name_list:
- # Separate the list into integers and strings
- nodegroup_ids = filter(lambda nodegroup_id: isinstance(nodegroup_id, (int, long)),
- nodegroup_id_or_name_list)
- names = filter(lambda name: isinstance(name, StringTypes),
- nodegroup_id_or_name_list)
- sql += " WHERE (False"
- if nodegroup_ids:
- sql += " OR nodegroup_id IN (%s)" % ", ".join(map(str, nodegroup_ids))
- if names:
- sql += " OR name IN (%s)" % ", ".join(api.db.quote(names))
- sql += ")"
-
- rows = self.api.db.selectall(sql)
-
- for row in rows:
- self[row['nodegroup_id']] = nodegroup = NodeGroup(api, row)
- for aggregate in ['node_ids', 'conf_file_ids']:
- if not nodegroup.has_key(aggregate) or nodegroup[aggregate] is None:
- nodegroup[aggregate] = []
- else:
- nodegroup[aggregate] = map(int, nodegroup[aggregate].split(','))
+ def __init__(self, api, nodegroup_filter = None, columns = None):
+ Table.__init__(self, api, NodeGroup, columns)
+
+ sql = "SELECT %s FROM view_nodegroups WHERE True" % \
+ ", ".join(self.columns)
+
+ if nodegroup_filter is not None:
+ if isinstance(nodegroup_filter, (list, tuple, set)):
+ # Separate the list into integers and strings
+ ints = filter(lambda x: isinstance(x, (int, long)), nodegroup_filter)
+ strs = filter(lambda x: isinstance(x, StringTypes), nodegroup_filter)
+ nodegroup_filter = Filter(NodeGroup.fields, {'nodegroup_id': ints, 'name': strs})
+ sql += " AND (%s)" % nodegroup_filter.sql(api, "OR")
+ elif isinstance(nodegroup_filter, dict):
+ nodegroup_filter = Filter(NodeGroup.fields, nodegroup_filter)
+ sql += " AND (%s)" % nodegroup_filter.sql(api, "AND")
+
+ self.selectall(sql)