Class: Circuitbox

Inherits:
Object
  • Object
show all
Defined in:
lib/circuitbox.rb,
lib/circuitbox/railtie.rb,
lib/circuitbox/version.rb,
lib/circuitbox/notifier.rb,
lib/circuitbox/errors/error.rb,
lib/circuitbox/circuit_breaker.rb,
lib/circuitbox/faraday_middleware.rb,
lib/circuitbox/errors/open_circuit_error.rb,
lib/circuitbox/errors/service_failure_error.rb

Defined Under Namespace

Classes: CircuitBreaker, Error, FaradayMiddleware, Notifier, OpenCircuitError, Railtie, ServiceFailureError

Constant Summary collapse

VERSION = 
'0.9.0'

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Circuitbox

Returns a new instance of Circuitbox.



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# File 'lib/circuitbox.rb', line 24

def initialize
  self.instance_eval(&@@configure) if @@configure
end

Instance Attribute Details

#circuit_store ⇒ Object

Returns the value of attribute circuit_store.



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# File 'lib/circuitbox.rb', line 17

def circuit_store
  @circuit_store
end

#circuits ⇒ Object

Returns the value of attribute circuits.



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# File 'lib/circuitbox.rb', line 17

def circuits
  @circuits
end

#stat_store ⇒ Object

Returns the value of attribute stat_store.



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# File 'lib/circuitbox.rb', line 17

def stat_store
  @stat_store
end

Class Method Details

.[](service_identifier, options = {}) ⇒ Object 



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# File 'lib/circuitbox.rb', line 53

def self.[](service_identifier, options = {})
  self.circuit(service_identifier, options)
end

.circuit(service_identifier, options = {}) ⇒ Object 



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# File 'lib/circuitbox.rb', line 57

def self.circuit(service_identifier, options = {})
  service_name = self.parameter_to_service_name(service_identifier)

  self.instance.circuits ||= Hash.new
  self.instance.circuits[service_name] ||= CircuitBreaker.new(service_name, options)

  if block_given?
    self.instance.circuits[service_name].run { yield }
  else
    self.instance.circuits[service_name]
  end
end

.circuit_store ⇒ Object 



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# File 'lib/circuitbox.rb', line 37

def self.circuit_store
  self.instance.circuit_store ||= ActiveSupport::Cache::MemoryStore.new
end

.circuit_store=(store) ⇒ Object 



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# File 'lib/circuitbox.rb', line 41

def self.circuit_store=(store)
  self.instance.circuit_store = store
end

.configure(&block) ⇒ Object 



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# File 'lib/circuitbox.rb', line 28

def self.configure(&block)
  @@configure = block if block
end

.instance ⇒ Object 



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# File 'lib/circuitbox.rb', line 20

def self.instance
  @@instance ||= new
end

.parameter_to_service_name(param) ⇒ Object 



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# File 'lib/circuitbox.rb', line 70

def self.parameter_to_service_name(param)
  uri = URI(param.to_s)
  uri.host.present? ? uri.host : param.to_s
end

.reset ⇒ Object 



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# File 'lib/circuitbox.rb', line 32

def self.reset
  @@instance = nil
  @@configure = nil
end

.stat_store ⇒ Object 



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# File 'lib/circuitbox.rb', line 45

def self.stat_store
  self.instance.stat_store
end

.stat_store=(store) ⇒ Object 



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# File 'lib/circuitbox.rb', line 49

def self.stat_store=(store)
  self.instance.stat_store = store
end