class Index(object):
def __init__(self, dbcon, collection, iname):
self.dbcon = dbcon
self.collection = collection
self.queries = IndexQueries(self.dbcon, collection.name(), iname)
self.iname = iname
self.__init_table()
def name(self):
return self.iname
def find(self, value):
value_json = json.dumps(value)
uuids = self.queries.find_index(value_json)
results = FindResult(self.collection, uuids)
return results
def findone(self, value):
value_json = json.dumps(value)
uuids = self.queries.find_index(value_json)
if len(uuids) == 0:
return None
uuid = uuids[0]
return self.collection.load(uuid)
def link(self, value, uuid):
value_json = json.dumps(value)
self.queries.update_index(uuid, value_json)
def unlink(self, uuid):
self.queries.delete_index(uuid)
def __init_table(self):
# create table if necessary
if not self.queries.table_exists():
self.queries.create_table()
def __init__(self, dbcon, collection, iname):
self.dbcon = dbcon
self.collection = collection
self.queries = IndexQueries(self.dbcon, collection.name(), iname)
self.iname = iname
self.__init_table()
