Method: Furnish::Provisioner::API#hash

Defined in:
lib/furnish/provisioners/api.rb

#hash ⇒ Object

Computes something suitable for storing in hash tables, also used for equality (see #==).

Accomplishes this by collecting all instance variables in an array, converting strings to a common encoding if necessary. Then, appends the class and Marshals the contents of the array.



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# File 'lib/furnish/provisioners/api.rb', line 432

def hash
  Marshal.dump(
    instance_variables.sort.map do |x|
      y = instance_variable_get(x)
      y.kind_of?(String) ?
        y.encode("UTF-8", :invalid => :replace, :replace => "?".chr) :
        y
    end +
    [self.class]
  ).bytes.inject(0) { |x,y| x += y.ord }
end