Class: BBServer::ExecutionStack

Inherits:
Object
  • Object
show all
Defined in:
lib/bbserver/execution_stack.rb

Instance Method Summary collapse

Constructor Details

#initialize(handler_class, middlewares) ⇒ ExecutionStack

Returns a new instance of ExecutionStack.



5
6
7
8
 
# File 'lib/bbserver/execution_stack.rb', line 5

def initialize(handler_class, middlewares)
  @handler_class = handler_class
  @middlewares = middlewares
end

Instance Method Details

#execute(context) ⇒ Object 



10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
# File 'lib/bbserver/execution_stack.rb', line 10

def execute(context)
  chain = @middlewares.dup
  
  process = proc do |ctx|
    if chain.empty?
      handler = @handler_class.new(ctx)
      handler.handle
    else
      middleware = chain.shift
      middleware.call(ctx, process)
    end
  end
  
  process.call(context)
end