# Mark Huang <mlhuang@cs.princeton.edu>
# Copyright (C) 2006 The Trustees of Princeton University
#
-# $Id$
-# $URL$
-#
+
from types import StringTypes
from PLC.Faults import *
from PLC.Parameter import Parameter
-from PLC.Table import Row, Table
-from PLC.Filter import Filter
+from PLC.Storage.AlchemyObj import AlchemyObj
-class PCUType(Row):
+class PCUType(AlchemyObj):
"""
Representation of a row in the pcu_types table. To use,
instantiate with a dict of values.
"""
- table_name = 'pcu_types'
- primary_key = 'pcu_type_id'
+ tablename = 'pcu_types'
join_tables = ['pcu_protocol_type']
fields = {
- 'pcu_type_id': Parameter(int, "PCU Type Identifier"),
- 'model': Parameter(str, "PCU model", max = 254),
- 'name': Parameter(str, "PCU full name", max = 254),
- 'pcu_protocol_type_ids': Parameter([int], "PCU Protocol Type Identifiers"),
- 'pcu_protocol_types': Parameter([dict], "PCU Protocol Type List")
+ 'pcu_type_id': Parameter(int, "PCU Type Identifier", primary_key=True),
+ 'model': Parameter(str, "PCU model", max = 254),
+ 'name': Parameter(str, "PCU full name", max = 254),
+ 'pcu_protocol_type_ids': Parameter([int], "PCU Protocol Type Identifiers", joined=True),
+ 'pcu_protocol_types': Parameter([dict], "PCU Protocol Type List", joined=True)
}
def validate_model(self, model):
- # Make sure name is not blank
+ # Make sure name is not blank
if not len(model):
raise PLCInvalidArgument, "Model must be specified"
-
- # Make sure boot state does not alredy exist
- conflicts = PCUTypes(self.api, [model])
+
+ # Make sure boot state does not alredy exist
+ conflicts = PCUTypes(self.api, model)
for pcu_type in conflicts:
- if 'pcu_type_id' not in self or self['pcu_type_id'] != pcu_type['pcu_type_id']:
- raise PLCInvalidArgument, "Model already in use"
+ if 'pcu_type_id' not in self or self['pcu_type_id'] != pcu_type['pcu_type_id']:
+ raise PLCInvalidArgument, "Model already in use"
- return model
+ return model
-class PCUTypes(Table):
+class PCUTypes(list):
"""
Representation of the pcu_types table in the database.
"""
def __init__(self, api, pcu_type_filter = None, columns = None):
- # Remove pcu_protocol_types from query since its not really a field
- # in the db. We will add it later
- if columns == None:
- columns = PCUType.fields.keys()
- if 'pcu_protocol_types' in columns:
- removed_fields = ['pcu_protocol_types']
- columns.remove('pcu_protocol_types')
- else:
- removed_fields = []
-
- Table.__init__(self, api, PCUType, columns)
+ # Remove pcu_protocol_types from query since its not really a field
+ # in the db. We will add it later
+ if not pcu_type_filter:
+ pcu_types = PCUType().select()
+ elif isinstance(pcu_type_filter, (list, tuple, set)):
+ # Separate the list into integers and strings
+ ints = filter(lambda x: isinstance(x, (int, long)), pcu_type_filter)
+ strs = filter(lambda x: isinstance(x, StringTypes), pcu_type_filter)
+ pcu_types = PCUType().select(filter = {'pcu_type_id': ints, 'model': strs})
+ elif isinstance(pcu_type_filter, dict):
+ pcu_types = PCUType().select(filter = pcu_type_filter)
+ elif isinstance (pcu_type_filter, StringTypes):
+ pcu_types = PCUType().select(filter = {'model': pcu_type_filter})
+ elif isinstance (pcu_type_filter, int):
+ pcu_types = PCUType().select(filter = {'pcu_type_id': pcu_filter})
+ else:
+ raise PLCInvalidArgument, "Wrong pcu_type filter %r"%pcu_type_filter
- sql = "SELECT %s FROM view_pcu_types WHERE True" % \
- ", ".join(self.columns)
- if pcu_type_filter is not None:
- if isinstance(pcu_type_filter, (list, tuple, set)):
- # Separate the list into integers and strings
- ints = filter(lambda x: isinstance(x, (int, long)), pcu_type_filter)
- strs = filter(lambda x: isinstance(x, StringTypes), pcu_type_filter)
- pcu_type_filter = Filter(PCUType.fields, {'pcu_type_id': ints, 'model': strs})
- sql += " AND (%s) %s" % pcu_type_filter.sql(api, "OR")
- elif isinstance(pcu_type_filter, dict):
- pcu_type_filter = Filter(PCUType.fields, pcu_type_filter)
- sql += " AND (%s) %s" % pcu_type_filter.sql(api, "AND")
- elif isinstance (pcu_type_filter, StringTypes):
- pcu_type_filter = Filter(PCUType.fields, {'model':[pcu_type_filter]})
- sql += " AND (%s) %s" % pcu_type_filter.sql(api, "AND")
- elif isinstance (pcu_type_filter, int):
- pcu_type_filter = Filter(PCUType.fields, {'pcu_type_id':[pcu_type_filter]})
- sql += " AND (%s) %s" % pcu_type_filter.sql(api, "AND")
- else:
- raise PLCInvalidArgument, "Wrong pcu_type filter %r"%pcu_type_filter
-
-
- self.selectall(sql)
-
- # return a list of protocol type objects for each port type
+ self.extend(pcu_types)
+
+ # return a list of protocol type objects for each port type
if 'pcu_protocol_types' in removed_fields:
- from PLC.PCUProtocolTypes import PCUProtocolTypes
+ from PLC.PCUProtocolTypes import PCUProtocolTypes
protocol_type_ids = set()
for pcu_type in self:
protocol_type_ids.update(pcu_type['pcu_protocol_type_ids'])
protocol_return_fields = ['pcu_protocol_type_id', 'port', 'protocol', 'supported']
all_protocol_types = PCUProtocolTypes(self.api, list(protocol_type_ids), \
- protocol_return_fields).dict('pcu_protocol_type_id')
+ protocol_return_fields).dict('pcu_protocol_type_id')
for pcu_type in self:
pcu_type['pcu_protocol_types'] = []