def __call__(self, td):
"""Return matching ServerDescriptions from a TopologyDescription."""
writable_servers = writable_server_selector(td)
if writable_servers:
return writable_servers
else:
return secondary_with_tags_server_selector(self.tag_sets, td)
def __call__(self, td):
"""Return matching ServerDescriptions from a TopologyDescription."""
writable_servers = writable_server_selector(td)
if writable_servers:
return writable_servers
else:
return secondary_with_tags_server_selector(self.tag_sets, td)
def __call__(self, server_descriptions):
"""Return matching ServerDescriptions from a list."""
writable_servers = writable_server_selector(server_descriptions)
if writable_servers:
return writable_servers
else:
return secondary_with_tags_server_selector(self.tag_sets,
server_descriptions)
def get_primary(self):
"""Return primary's address or None."""
# Implemented here in Topology instead of MongoClient, so it can lock.
with self._lock:
topology_type = self._description.topology_type
if topology_type != TOPOLOGY_TYPE.ReplicaSetWithPrimary:
return None
return writable_server_selector(self._new_selection())[0].address
def get_primary(self):
"""Return primary's address or None."""
# Implemented here in Topology instead of MongoClient, so it can lock.
with self._lock:
topology_type = self._description.topology_type
if topology_type != TOPOLOGY_TYPE.ReplicaSetWithPrimary:
return None
return writable_server_selector(self._new_selection())[0].address
def __call__(self, server_descriptions):
"""Return matching ServerDescriptions from a list."""
writable_servers = writable_server_selector(server_descriptions)
if writable_servers:
return writable_servers
else:
return secondary_with_tags_server_selector(
self.tag_sets,
server_descriptions)
def get_direct_or_primary(self):
"""Return the address of a connected primary or standalone, or None.
Raise InvalidOperation for Sharded topologies.
"""
# Implemented here in Topology instead of MongoClient, so it can lock.
with self._lock:
topology_type = self._description.topology_type
if topology_type == TOPOLOGY_TYPE.Sharded:
raise InvalidOperation()
if topology_type not in (TOPOLOGY_TYPE.ReplicaSetWithPrimary,
TOPOLOGY_TYPE.Single):
return None
descriptions = writable_server_selector(
self._description.known_servers)
return descriptions[0].address if descriptions else None
def get_direct_or_primary(self):
"""Return the address of a connected primary or standalone, or None.
Raise InvalidOperation for Sharded topologies.
"""
# Implemented here in Topology instead of MongoClient, so it can lock.
with self._lock:
topology_type = self._description.topology_type
if topology_type == TOPOLOGY_TYPE.Sharded:
raise InvalidOperation()
if topology_type not in (TOPOLOGY_TYPE.ReplicaSetWithPrimary,
TOPOLOGY_TYPE.Single):
return None
descriptions = writable_server_selector(
self._description.known_servers)
return descriptions[0].address if descriptions else None
def __call__(self, server_descriptions):
"""Return matching ServerDescriptions from a list."""
return writable_server_selector(server_descriptions)
def __call__(self, server_descriptions):
"""Return matching ServerDescriptions from a list."""
return writable_server_selector(server_descriptions)
def __call__(self, td):
"""Return matching ServerDescriptions from a TopologyDescription."""
return writable_server_selector(td)
def __call__(self, td):
"""Return matching ServerDescriptions from a TopologyDescription."""
return writable_server_selector(td)
