Class: Serf::Middleware::PolicyChecker

Inherits:
Object
  • Object
show all
Defined in:
lib/serf/middleware/policy_checker.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app, *args) ⇒ PolicyChecker

Returns a new instance of PolicyChecker.



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# File 'lib/serf/middleware/policy_checker.rb', line 10

def initialize(app, *args)
  opts = Optser.extract_options! args
  @app = app
  @policy_chain = opts.get :policy_chain, []
end

Instance Attribute Details

#app ⇒ Object (readonly)

Returns the value of attribute app.



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# File 'lib/serf/middleware/policy_checker.rb', line 7

def app
  @app
end

#policy_chain ⇒ Object (readonly)

Returns the value of attribute policy_chain.



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# File 'lib/serf/middleware/policy_checker.rb', line 8

def policy_chain
  @policy_chain
end

Instance Method Details

#call(parcel) ⇒ Object

Iterates the policy chain and does a check for each policy. Assumes that policies will raise errors on any policy failure.



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# File 'lib/serf/middleware/policy_checker.rb', line 19

def call(parcel)
  policy_chain.each do |policy|
    policy.check! parcel
  end
  app.call parcel
end