Class: DataMapper::Query::Sort

Inherits:
Object
  • Object
show all
Defined in:
lib/dm-core/query/sort.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#value ⇒ Object (readonly)

TODO: document



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# File 'lib/dm-core/query/sort.rb', line 8

def value
  @value
end

Instance Method Details

#<=>(other) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

TODO: document



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# File 'lib/dm-core/query/sort.rb', line 18

def <=>(other)
  other_value = other.value

  cmp = case
    when @value.nil? && other_value.nil?
      0
    when @value.nil?
      1
    when other_value.nil?
      -1
    else
      @value <=> other_value
  end

  @ascending ? cmp : cmp * -1
end

#direction ⇒ Object

TODO: document



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# File 'lib/dm-core/query/sort.rb', line 12

def direction
  @ascending ? :ascending : :descending
end