# Tony Mack <tmack@cs.princeton.edu>
# Copyright (C) 2006 The Trustees of Princeton University
#
-# $Id: EventObjects.py,v 1.2 2007/05/07 20:07:42 tmack Exp $
-#
from PLC.Faults import *
from PLC.Parameter import Parameter
class EventObject(Row):
"""
- Representation of a row in the event_object table.
+ Representation of a row in the event_object table.
"""
-
+
table_name = 'event_object'
primary_key = 'event_id'
fields = {
'person_id': Parameter(int, "Identifier of person responsible for event, if any"),
'node_id': Parameter(int, "Identifier of node responsible for event, if any"),
'fault_code': Parameter(int, "Event fault code"),
- 'call_name': Parameter(str, "Call responsible for this event"),
- 'call': Parameter(str, "Call responsible for this event, including paramters"),
- 'message': Parameter(str, "High level description of this event"),
+ 'call_name': Parameter(str, "Call responsible for this event"),
+ 'call': Parameter(str, "Call responsible for this event, including paramters"),
+ 'message': Parameter(str, "High level description of this event"),
'runtime': Parameter(float, "Runtime of event"),
'time': Parameter(int, "Date and time that the event took place, in seconds since UNIX epoch", ro = True),
'object_id': Parameter(int, "ID of objects affected by this event"),
- 'object_type': Parameter(str, "What type of object is this event affecting")
- }
+ 'object_type': Parameter(str, "What type of object is this event affecting")
+ }
class EventObjects(Table):
"""
- Representation of row(s) from the event_object table in the database.
+ Representation of row(s) from the event_object table in the database.
"""
def __init__(self, api, event_filter = None, columns = None):
Table.__init__(self, api, EventObject, columns)
-
- all_fields = EventObject.fields.keys()
- if not columns:
- columns = all_fields
- else:
- columns = filter(lambda column: column in all_fields, columns)
-
- # Since we are querying a table (not a view) ensure that timestamps
- # are converted to ints in the db before being returned
- timestamps = ['time']
- for col in columns:
- if col in timestamps:
- index = columns.index(col)
- columns[index] = "CAST(date_part('epoch', events.time) AS bigint) AS time"
- elif col in [EventObject.primary_key]:
- index = columns.index(col)
- columns[index] = EventObject.table_name+"."+EventObject.primary_key
-
- sql = "SELECT %s FROM event_object, events WHERE True" % \
- ", ".join(columns)
-
- if event_filter is not None:
- if isinstance(event_filter, (list, tuple, set)):
+
+ sql = "SELECT %s FROM view_event_objects WHERE True" % \
+ ", ".join(self.columns)
+
+ if event_filter is not None:
+ if isinstance(event_filter, (list, tuple, set, int)):
event_filter = Filter(EventObject.fields, {'event_id': event_filter})
+ sql += " AND (%s) %s" % event_filter.sql(api, "OR")
elif isinstance(event_filter, dict):
event_filter = Filter(EventObject.fields, event_filter)
- sql += " AND (%s) " % event_filter.sql(api)
- sql += " AND events.event_id = event_object.event_id "
- sql += " ORDER BY %s" % EventObject.table_name+"."+EventObject.primary_key
-
- self.selectall(sql)
+ sql += " AND (%s) %s" % event_filter.sql(api, "AND")
+ else:
+ raise PLCInvalidArgument("Wrong event object filter %r"%event_filter)
+
+ self.selectall(sql)