Class: AnyCable::MiddlewareChain

Inherits:

Object

• Object
• AnyCable::MiddlewareChain

Defined in:

lib/anycable/middleware_chain.rb

Overview

Middleware chain is used to build the list of gRPC server interceptors.

Each interceptor should be a subsclass of AnyCable::Middleware and implement ‘#call` method.

Instance Method Summary

• #freeze ⇒ Object
• #initialize ⇒ MiddlewareChain constructor

  A new instance of MiddlewareChain.

• #to_a ⇒ Object
• #use(middleware) ⇒ Object

Constructor Details

#initialize ⇒ MiddlewareChain

Returns a new instance of MiddlewareChain.

# File 'lib/anycable/middleware_chain.rb', line 13

def initialize
  @registry = []
  @mu = Monitor.new
end

Instance Method Details

#freeze ⇒ Object

# File 'lib/anycable/middleware_chain.rb', line 24

def freeze
  registry.freeze
  super
end

#to_a ⇒ Object

# File 'lib/anycable/middleware_chain.rb', line 29

def to_a
  registry
end

#use(middleware) ⇒ Object

# File 'lib/anycable/middleware_chain.rb', line 18

def use(middleware)
  check_frozen!
  middleware = build_middleware(middleware)
  sync { registry << middleware }
end