ClientManager#

class ClientManager[source]#

Bases: ABC

Abstract base class for managing Flower clients.

Methods

all()

Return all available clients.

num_available()

Return the number of available clients.

register(client)

Register Flower ClientProxy instance.

sample(num_clients[, min_num_clients, criterion])

Sample a number of Flower ClientProxy instances.

unregister(client)

Unregister Flower ClientProxy instance.

wait_for(num_clients, timeout)

Wait until at least num_clients are available.
abstract all() → Dict[str, ClientProxy][source]#

Return all available clients.

abstract num_available() → int[source]#

Return the number of available clients.

Returns:

num_available – The number of currently available clients.

Return type:

int

abstract register(client: ClientProxy) → bool[source]#

Register Flower ClientProxy instance.

Parameters:

client (flwr.server.client_proxy.ClientProxy) –

Returns:

success – Indicating if registration was successful. False if ClientProxy is already registered or can not be registered for any reason.

Return type:

bool

abstract sample(num_clients: int, min_num_clients: int | None = None, criterion: Criterion | None = None) → List[ClientProxy][source]#

Sample a number of Flower ClientProxy instances.

abstract unregister(client: ClientProxy) → None[source]#

Unregister Flower ClientProxy instance.

This method is idempotent.

Parameters:

client (flwr.server.client_proxy.ClientProxy) –

abstract wait_for(num_clients: int, timeout: int) → bool[source]#

Wait until at least num_clients are available.