Class: Arrow::Slicer::InCondition

Inherits:
Condition
  • Object
show all
Defined in:
lib/arrow/slicer.rb

Instance Method Summary collapse

Methods inherited from Condition

#&, #^, #|

Constructor Details

#initialize(column, values) ⇒ InCondition

Returns a new instance of InCondition.



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# File 'lib/arrow/slicer.rb', line 365

def initialize(column, values)
  @column = column
  @values = values
end

Instance Method Details

#!@ ⇒ Object 



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# File 'lib/arrow/slicer.rb', line 370

def !@
  NotInCondition.new(@column, @values)
end

#evaluate ⇒ Object 



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# File 'lib/arrow/slicer.rb', line 374

def evaluate
  values_index = {}
  @values.each do |value|
    values_index[value] = true
  end
  raw_array = @column.collect do |value|
    if value.nil?
      nil
    else
      values_index.key?(value)
    end
  end
  BooleanArray.new(raw_array)
end