class IDRegistry::RegistryMiddleware::SpawnRegistry

A registry task that spawns a registry scoped to this request.

You must provide a locked registry configuration to use as a template. The spawned registry will use the given configuration. You must also provide a key, which will be used to store the spawned registry in the Rack environment so that your application can access it.

Public Class Methods

new(template_, envkey_) click to toggle source

Create a new ClearRegistry task. You must provide a locked template configuration and a key into the Rack environment.

# File lib/idregistry/middleware.rb, line 102
def initialize(template_, envkey_)
  @template = template_
  @envkey = envkey_
  @registry = nil
end

Public Instance Methods

post(env_) click to toggle source

The post method for this task clears the spawned registry.

# File lib/idregistry/middleware.rb, line 114
def post(env_)
  if @registry
    @registry.clear
    @registry = nil
    env_.delete(@envkey)
  end
end

pre(env_) click to toggle source

The pre method for this task creates a new registry.

# File lib/idregistry/middleware.rb, line 109
def pre(env_)
  @registry = env_[@envkey] = @template.spawn_registry
end