boltun v0.0.4 → Overview → Boltun

Boltun

Provides macros to define a listener and its callbacks. See the example below

defmodule TestListener do
  use Boltun, otp_app: :my_app

  listen do
    channel "my_channel", :my_callback
    channel "my_channel", :my_other_callback
    channel "my_other_channel", :my_other_callback
  end

  def my_callback(channel, payload) do
    IO.puts channel
    IO.puts payload
  end
  ...
end

Summary↑

channel(channel, function, args \\ [])

Defines a callback for the given channel, function and optional arguments. The callback must be defined in the same module using this macro
channel(channel, module, function, args)

Defines a callback for the given channel, module, function and arguments
listen(list1)

Defines the listener and its callbacks. Multiple callbacks per channel are supported and they will be invoked in in the order in which they appear in this block

Macros

channel(channel, function, args \\ [])
(macro) # ↑

Defines a callback for the given channel, function and optional arguments. The callback must be defined in the same module using this macro.

channel(channel, module, function, args)
(macro) # ↑

Defines a callback for the given channel, module, function and arguments.

listen(list1)
(macro) # ↑

Defines the listener and its callbacks. Multiple callbacks per channel are supported and they will be invoked in in the order in which they appear in this block