Module: CircuitBreaker::ClassMethods

Defined in:
lib/circuit_breaker.rb

Instance Method Summary collapse

Instance Method Details

#circuit_handler {|@circuit_handler| ... } ⇒ Object

Returns circuit_handler. Yields the instance back when passed a block.

Yields:



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# File 'lib/circuit_breaker.rb', line 90

def circuit_handler(&block)
  @circuit_handler ||= circuit_handler_class.new

  yield @circuit_handler if block_given?

  return @circuit_handler
end

#circuit_handler_class(klass = nil) ⇒ Object

Allows you to define a custom circuit_handler instead of CircuitBreaker::CircuitHandler



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# File 'lib/circuit_breaker.rb', line 101

def circuit_handler_class(klass = nil)
  @circuit_handler_class ||= (klass || CircuitBreaker::CircuitHandler)
end

#circuit_method(*methods) ⇒ Object

Takes a splat of method names, and wraps them with the circuit_handler.



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# File 'lib/circuit_breaker.rb', line 75

def circuit_method(*methods)
  circuit_handler = self.circuit_handler

  methods.each do |meth|
    m = instance_method meth
    undef_method(meth) if method_defined?(meth)
    define_method meth do |*args|
      circuit_handler.handle self.circuit_state, m.bind(self), *args
    end
  end
end