Class: Canopus::DisplayMap::Summary

Inherits:
Struct
  • Object
show all
Defined in:
lib/canopus/display_map/summary.rb

Constant Summary collapse

ZERO = 
new(0, 0, 0)

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source_rows, display_rows, pending_rows) ⇒ Summary

Returns a new instance of Summary.



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# File 'lib/canopus/display_map/summary.rb', line 4

def initialize(source_rows, display_rows, pending_rows)
  super
  freeze
end

Instance Attribute Details

#display_rows ⇒ Object

Returns the value of attribute display_rows

Returns:

  • (Object) —

    the current value of display_rows



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# File 'lib/canopus/display_map/summary.rb', line 3

def display_rows
  @display_rows
end

#pending_rows ⇒ Object

Returns the value of attribute pending_rows

Returns:

  • (Object) —

    the current value of pending_rows



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# File 'lib/canopus/display_map/summary.rb', line 3

def pending_rows
  @pending_rows
end

#source_rows ⇒ Object

Returns the value of attribute source_rows

Returns:

  • (Object) —

    the current value of source_rows



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# File 'lib/canopus/display_map/summary.rb', line 3

def source_rows
  @source_rows
end

Class Method Details

.zero ⇒ Object 



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# File 'lib/canopus/display_map/summary.rb', line 9

def self.zero = ZERO

Instance Method Details

#+(other) ⇒ Object 



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# File 'lib/canopus/display_map/summary.rb', line 10

def +(other)
  return other if source_rows.zero?
  return self if other.source_rows.zero?
  Canopus::DisplayMap::Summary.new(source_rows + other.source_rows, display_rows + other.display_rows, pending_rows + other.pending_rows)
end

#project_combined(dimension, other) ⇒ Object 



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# File 'lib/canopus/display_map/summary.rb', line 15

def project_combined(dimension, other)
  case dimension
  when :source_rows then source_rows + other.source_rows
  when :display_rows then display_rows + other.display_rows
  when :pending_rows then pending_rows + other.pending_rows
  else raise ArgumentError, "unknown display summary dimension: #{dimension}"
  end
end