Class: DmmUtil::Measurement

Inherits:
Object
  • Object
show all
Defined in:
lib/dmm_util/measurement.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(attrs) ⇒ Measurement

Returns a new instance of Measurement.



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# File 'lib/dmm_util/measurement.rb', line 8

def initialize(attrs)
  @raw = attrs
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(meth, *args) ⇒ Object 



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# File 'lib/dmm_util/measurement.rb', line 54

def method_missing(meth, *args)
  if raw[:readings].has_key?(meth.to_s.upcase)
     Reading.new(raw[:readings][meth.to_s.upcase])
  else
    super
  end
end

Instance Attribute Details

#raw ⇒ Object (readonly)

Returns the value of attribute raw.



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# File 'lib/dmm_util/measurement.rb', line 6

def raw
  @raw
end

Instance Method Details

#name ⇒ Object 



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# File 'lib/dmm_util/measurement.rb', line 12

def name
  raw[:name] || raise("Not a named measurement")
end

#prim_function ⇒ Object 



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# File 'lib/dmm_util/measurement.rb', line 20

def prim_function
  raw[:prim_function]
end

#reading_names ⇒ Object 



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# File 'lib/dmm_util/measurement.rb', line 24

def reading_names
  raw[:readings].keys.map{|r| r.downcase.to_sym}
end

#to_s ⇒ Object 



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# File 'lib/dmm_util/measurement.rb', line 28

def to_s
  order = [:primary, :maximum, :average, :minimum, :rel_reference, 
           :secondary,
           :db_ref, :temp_offset,
           :live, :rel_live]
  existing = reading_names
  res = []
  
  existing.delete(:live) if existing.include?(:live) && self.live == self.primary
  
  (order - [:primary]).each do |name|
    next unless existing.include?(name)
    res << "#{name}: #{self.send(name).to_s}"
  end
  
  (existing - order).each do |name|
    res << "#{name}: #{self.send(name).to_s}"
  end
  
  if res.empty?
    primary.to_s
  else
    "#{primary.to_s} (#{res.join(", ")})"
  end
end

#ts ⇒ Object 



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# File 'lib/dmm_util/measurement.rb', line 16

def ts 
  raw[:ts] || self.primary.ts
end