Subiendo api v2

deps/phoenix_pubsub/lib/phoenix/pubsub/adapter.ex

@@ -0,0 +1,46 @@
+defmodule Phoenix.PubSub.Adapter do
+  @moduledoc """
+  Specification to implement a custom PubSub adapter.
+  """
+
+  @type adapter_name :: atom
+
+  @doc """
+  Returns the node name as an atom or a binary.
+  """
+  @callback node_name(adapter_name) :: Phoenix.PubSub.node_name()
+
+  @doc """
+  Returns a child specification that mounts the processes
+  required for the adapter.
+
+  `child_spec` will receive all options given `Phoenix.PubSub`.
+  Note, however, that the `:name` under options is the name
+  of the complete PubSub system. The reserved key space to
+  be used by the adapter is under the `:adapter_name` key.
+  """
+  @callback child_spec(keyword) :: Supervisor.child_spec()
+
+  @doc """
+  Broadcasts the given topic, message, and dispatcher to
+  all nodes in the cluster (except the current node itself).
+  """
+  @callback broadcast(
+              adapter_name,
+              topic :: Phoenix.PubSub.topic(),
+              message :: Phoenix.PubSub.message(),
+              dispatcher :: Phoenix.PubSub.dispatcher()
+            ) :: :ok | {:error, term}
+
+  @doc """
+  Broadcasts the given topic, message, and dispatcher to
+  given node in the cluster (it may point to itself).
+  """
+  @callback direct_broadcast(
+              adapter_name,
+              node_name :: Phoenix.PubSub.node_name(),
+              topic :: Phoenix.PubSub.topic(),
+              message :: Phoenix.PubSub.message(),
+              dispatcher :: Phoenix.PubSub.dispatcher()
+            ) :: :ok | {:error, term}
+end