Class: Shades::AggEvent

Inherits:
Object
  • Object
show all
Defined in:
lib/shades/cube.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(query, event) ⇒ AggEvent

Returns a new instance of AggEvent.



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# File 'lib/shades/cube.rb', line 175

def initialize(query, event)
  @query = query
  @key = event.key
  @dvalues = {}
  @dlist = []
  event.dimensions.each do |k|
    @dvalues[k] = event.dimension(k)
    @dlist.push(k)
  end
  @rollup_info_by_measure = {}
  @stats_by_measure = {}
  @mlist = []
  @query.rollup_list.each do |r|
    @mlist.push(r.outbound_measure)
    outbound_measure = r.outbound_measure
    @rollup_info_by_measure[outbound_measure] = r
    initial_value = r.get_value(event)
    stat = r.stat.call
    stat.add(initial_value)
    @stats_by_measure[outbound_measure] = stat
  end
  @metadata = Metadata.new(@dlist, @mlist)
end

Instance Attribute Details

#metadata ⇒ Object

Returns the value of attribute metadata.



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# File 'lib/shades/cube.rb', line 173

def metadata
  @metadata
end

Instance Method Details

#add(event) ⇒ Object 



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# File 'lib/shades/cube.rb', line 223

def add(event)
  measures.each do |k|
    value = @rollup_info_by_measure[k].get_value(event)
    @stats_by_measure[k].add(value)
  end
end

#dimension(d) ⇒ Object 



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# File 'lib/shades/cube.rb', line 207

def dimension(d)
  @dvalues[d]
end

#dimension_map ⇒ Object 



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# File 'lib/shades/cube.rb', line 237

def dimension_map
  @dvalues
end

#dimensions ⇒ Object 



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# File 'lib/shades/cube.rb', line 203

def dimensions
  @dlist
end

#key ⇒ Object 



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# File 'lib/shades/cube.rb', line 199

def key
  @key
end

#line ⇒ Object 



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# File 'lib/shades/cube.rb', line 230

def line
  f = []
  f << dimensions.map { |k| '%s' % dimension(k) }
  f << measures.map   { |k| '%.5f' % measure(k) }
  f.join("\t")
end

#measure(m) ⇒ Object 



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# File 'lib/shades/cube.rb', line 211

def measure(m)
  if @stats_by_measure.has_key?(m)
    @stats_by_measure[m].get_value
  else
    0.0
  end
end

#measure_map ⇒ Object 



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# File 'lib/shades/cube.rb', line 241

def measure_map
  mm = {}
  measures.each do |k, v|
    mm[k] = measure(k)
  end
  mm
end

#measures ⇒ Object 



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# File 'lib/shades/cube.rb', line 219

def measures
  @mlist
end

#to_map ⇒ Object 



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# File 'lib/shades/cube.rb', line 249

def to_map
  {
    :dimensions => @dvalues,
    :measures => measure_map
  }
end