Class: Scout::MetricCalculation

Inherits:
Object
  • Object
show all
Defined in:
lib/scout_api/metric_calculation.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(owner, function) ⇒ MetricCalculation

:nodoc:



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# File 'lib/scout_api/metric_calculation.rb', line 5

def initialize(owner,function) #:nodoc:
  @owner = owner
  @function = function
  @options = {}
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args) ⇒ Object (private) 



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# File 'lib/scout_api/metric_calculation.rb', line 47

def method_missing(method, *args)
  if load_target
    unless @target.respond_to?(method)
      message = "undefined method `#{method.to_s}' for \"#{@target}\":#{@target.class.to_s}"
      raise NoMethodError, message
    end

    if block_given?
      @target.send(method, *args)  { |*block_args| yield(*block_args) }
    else
      @target.send(method, *args)
    end
  end
end

Instance Attribute Details

#metric_name ⇒ Object

Returns the value of attribute metric_name.



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# File 'lib/scout_api/metric_calculation.rb', line 3

def metric_name
  @metric_name
end

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/scout_api/metric_calculation.rb', line 3

def options
  @options
end

Instance Method Details

#find_target ⇒ Object

:nodoc:



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# File 'lib/scout_api/metric_calculation.rb', line 30

def find_target #:nodoc:
  options.merge!(owner_key_value)
  Scout::Metric.calculate(
    @function,metric_name,options
  )
end

#load_target ⇒ Object

:nodoc:



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# File 'lib/scout_api/metric_calculation.rb', line 26

def load_target #:nodoc:
  @target = find_target
end

#to_array ⇒ Object Also known as: to_a 



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# File 'lib/scout_api/metric_calculation.rb', line 18

def to_array 
  options.merge!(owner_key_value)
  Scout::Metric.to_array(
    @function,metric_name,options
  )
end

#to_sparkline(opts = {}) ⇒ Object 



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# File 'lib/scout_api/metric_calculation.rb', line 11

def to_sparkline(opts = {})
  options.merge!(opts).merge!(owner_key_value)
  Scout::Metric.to_sparkline(
    @function,metric_name,options
  )
end