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partisan

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Partisan is a scalable and flexible, TCP-based membership system and distribution layer for the BEAM.

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partisan src partisan_membership_strategy.erl
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src/partisan_membership_strategy.erl 

%% -------------------------------------------------------------------

%%

%% Copyright (c) 2018 Christopher S. Meiklejohn.  All Rights Reserved.

%%

%% This file is provided to you under the Apache License,

%% Version 2.0 (the "License"); you may not use this file

%% except in compliance with the License.  You may obtain

%% a copy of the License at

%%

%%   http://www.apache.org/licenses/LICENSE-2.0

%%

%% Unless required by applicable law or agreed to in writing,

%% software distributed under the License is distributed on an

%% "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

%% KIND, either express or implied.  See the License for the

%% specific language governing permissions and limitations

%% under the License.

%%

%% -------------------------------------------------------------------



-module(partisan_membership_strategy).



-author("Christopher S. Meiklejohn <christopher.meiklejohn@gmail.com>").



-include("partisan.hrl").



-type state() :: term().

-type outgoing_message() :: {node(), message()}.

-type outgoing_messages() :: [outgoing_message()].

-type membership_list() :: [node_spec()].



-callback init(actor()) -> {ok, membership_list(), state()}.



-callback join(state(), node_spec(), state()) ->

    {ok, membership_list(), outgoing_messages(), state()}.



-callback leave(state(), node_spec()) ->

    {ok, membership_list(), outgoing_messages(), state()}.



-callback prune(state(), [node_spec()]) ->

    {ok, membership_list(), state()}.



-callback periodic(state()) ->

    {ok, membership_list(), outgoing_messages(), state()}.



-callback handle_message(state(), message()) ->

    {ok, membership_list(), outgoing_messages(), state()}.