- def __init__(self, api, slice_id_or_name_list = None):
- self.api = api
-
- sql = "SELECT %s FROM view_slices WHERE is_deleted IS False" % \
- ", ".join(Slice.fields)
-
- if slice_id_or_name_list:
- # Separate the list into integers and strings
- slice_ids = filter(lambda slice_id: isinstance(slice_id, (int, long)),
- slice_id_or_name_list)
- names = filter(lambda name: isinstance(name, StringTypes),
- slice_id_or_name_list)
- sql += " AND (False"
- if slice_ids:
- sql += " OR slice_id IN (%s)" % ", ".join(map(str, slice_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['slice_id']] = slice = Slice(api, row)
- for aggregate in 'node_ids', 'person_ids', 'slice_attribute_ids':
- if not slice.has_key(aggregate) or slice[aggregate] is None:
- slice[aggregate] = []
- else:
- slice[aggregate] = map(int, slice[aggregate].split(','))
+ def __init__(self, api, slice_filter = None, columns = None, expires = int(time.time())):
+ Table.__init__(self, api, Slice, columns)
+
+ # the view that we're selecting upon: start with view_slices
+ view = "view_slices"
+ # as many left joins as requested tags
+ for tagname in self.tag_columns:
+ view= "%s left join %s using (%s)"%(view,Slice.tagvalue_view_name(tagname),
+ Slice.primary_key)
+
+ sql = "SELECT %s FROM %s WHERE is_deleted IS False" % \
+ (", ".join(self.columns.keys()+self.tag_columns.keys()),view)
+
+ if expires is not None:
+ if expires >= 0:
+ sql += " AND expires > %d" % expires
+ else:
+ expires = -expires
+ sql += " AND expires < %d" % expires
+
+ if slice_filter is not None:
+ if isinstance(slice_filter, (list, tuple, set)):
+ # Separate the list into integers and strings
+ ints = filter(lambda x: isinstance(x, (int, long)), slice_filter)
+ strs = filter(lambda x: isinstance(x, StringTypes), slice_filter)
+ slice_filter = Filter(Slice.fields, {'slice_id': ints, 'name': strs})
+ sql += " AND (%s) %s" % slice_filter.sql(api, "OR")
+ elif isinstance(slice_filter, dict):
+ allowed_fields=dict(Slice.fields.items()+Slice.tags.items())
+ slice_filter = Filter(allowed_fields, slice_filter)
+ sql += " AND (%s) %s" % slice_filter.sql(api, "AND")
+ elif isinstance (slice_filter, StringTypes):
+ slice_filter = Filter(Slice.fields, {'name':slice_filter})
+ sql += " AND (%s) %s" % slice_filter.sql(api, "AND")
+ elif isinstance (slice_filter, (int, long)):
+ slice_filter = Filter(Slice.fields, {'slice_id':slice_filter})
+ sql += " AND (%s) %s" % slice_filter.sql(api, "AND")
+ else:
+ raise PLCInvalidArgument, "Wrong slice filter %r"%slice_filter
+
+ self.selectall(sql)