### [Distributed](https://github.com/ertgl/distributed)
Make your systems distributed, replicated, scaled well, easily.
[![Hex Version](https://img.shields.io/hexpm/v/distributed.svg?style=flat-square)](https://hex.pm/packages/distributed) [![Docs](https://img.shields.io/badge/api-docs-orange.svg?style=flat-square)](https://hexdocs.pm/distributed) [![Hex downloads](https://img.shields.io/hexpm/dt/distributed.svg?style=flat-square)](https://hex.pm/packages/distributed) [![GitHub](https://img.shields.io/badge/vcs-GitHub-blue.svg?style=flat-square)](https://github.com/ertgl/distributed) [![MIT License](https://img.shields.io/hexpm/l/distributed.svg?style=flat-square)](LICENSE.txt)
---
### Tutorial
This is an example of a replicated `GenServer`.
```elixir
defmodule Storage.KV do
use GenServer
def start_link() do
GenServer.start_link(__MODULE__, [initial_state: %{}], name: __MODULE__.process_id())
end
def init(opts \\ []) do
{:ok, Keyword.get(opts, :initial_state, %{})}
end
def process_id() do
Storage.KV
end
def handle_cast({:set, key, value}, state) do
{:noreply, Map.put(state, key, value)}
end
def handle_call({:get, key, default}, _from, state) do
{:reply, Map.get(state, key, default), state}
end
def handle_call({:has, key}, _from, state) do
{:reply, Map.has_key?(state, key), state}
end
def handle_call({:pop, key, default}, _from, state) do
{value, new_state} = Map.pop(state, key, default)
{:reply, value, new_state}
end
def get(key, default \\ nil) do
Distributed.Scaler.GenServer.call(__MODULE__.process_id(), {:get, key, default})
end
def set(key, value) do
{_node_name, result} = Distributed.Replicator.GenServer.cast(__MODULE__.process_id(), {:set, key, value})
|> List.first()
result
end
def has?(key) do
Distributed.Scaler.GenServer.call(__MODULE__.process_id(), {:has, key})
end
def pop(key, default \\ nil) do
{_node_name, result} = Distributed.Replicator.GenServer.call(__MODULE__.process_id(), {:pop, key, default})
|> List.first()
result
end
end
```
You can see the example as a small project on [ertgl/storage](https://github.com/ertgl/storage) repository.
### Installation:
If [you have Hex](https://hex.pm), the package can be installed
by adding `:distributed` to your list of dependencies in `mix.exs`:
```elixir
def application do
[
extra_applications: [
:distributed,
],
]
end
def deps do
[
{:distributed, "~> 0.1.3"},
]
end
```