-from types import StringTypes
-
from PLC.Faults import *
from PLC.Parameter import Parameter
+from PLC.Filter import Filter
from PLC.Table import Row, Table
from PLC.SliceAttributeTypes import SliceAttributeType, SliceAttributeTypes
'name': SliceAttributeType.fields['name'],
'description': SliceAttributeType.fields['description'],
'min_role_id': SliceAttributeType.fields['min_role_id'],
- # XXX Arbitrary max, make configurable
- 'value': Parameter(str, "Slice attribute value", max = 254),
+ 'value': Parameter(str, "Slice attribute value"),
}
- def __init__(self, api, fields = {}):
- Row.__init__(self, fields)
- self.api = api
-
- def delete(self, commit = True):
- """
- Delete existing slice attribute.
- """
-
- assert 'slice_attribute_id' in self
-
- # Clean up miscellaneous join tables
- for table in 'slice_attribute',:
- self.api.db.do("DELETE FROM %s" \
- " WHERE slice_attribute_id = %d" % \
- (table, self['slice_attribute_id']), self)
-
- if commit:
- self.api.db.commit()
-
-class SliceAttributes(dict):
+class SliceAttributes(Table):
"""
Representation of row(s) from the slice_attribute table in the
database.
"""
- def __init__(self, api, slice_attribute_id_list):
- self.api = api
+ def __init__(self, api, slice_attribute_filter = None, columns = None):
+ Table.__init__(self, api, SliceAttribute, columns)
- sql = "SELECT %s FROM view_slice_attributes" % \
- ", ".join(SliceAttribute.fields)
+ sql = "SELECT %s FROM view_slice_attributes WHERE True" % \
+ ", ".join(self.columns)
- if slice_attribute_id_list:
- sql += " WHERE slice_attribute_id IN (%s)" % ", ".join(map(str, slice_attribute_id_list))
+ if slice_attribute_filter is not None:
+ if isinstance(slice_attribute_filter, (list, tuple, set)):
+ slice_attribute_filter = Filter(SliceAttribute.fields, {'slice_attribute_id': slice_attribute_filter})
+ elif isinstance(slice_attribute_filter, dict):
+ slice_attribute_filter = Filter(SliceAttribute.fields, slice_attribute_filter)
+ sql += " AND (%s)" % slice_attribute_filter.sql(api)
- rows = self.api.db.selectall(sql)
-
- for row in rows:
- self[row['slice_attribute_id']] = SliceAttribute(api, row)
+ self.selectall(sql)