Class: TimeScales::Frame::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/time_scales/frame/base.rb

Direct Known Subclasses

NullFrame, SchemeRelativeFrame

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Base

Returns a new instance of Base.



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# File 'lib/time_scales/frame/base.rb', line 36

def initialize(*args)
  _initialize args
end

Class Method Details

.&(time) ⇒ Object 



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# File 'lib/time_scales/frame/base.rb', line 22

def &(time)
  part_values = parts.map { |part|
    part & time
  }
  new( *part_values )
end

.outer_scope ⇒ Object 



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# File 'lib/time_scales/frame/base.rb', line 14

def outer_scope
  parts.first.scope
end

.parts ⇒ Object 



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# File 'lib/time_scales/frame/base.rb', line 7

def parts
  @parts ||=
    _parts.
    sort_by { |part| -part.scale }.
    freeze
end

.precision ⇒ Object 



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# File 'lib/time_scales/frame/base.rb', line 18

def precision
  parts.last.subdivision
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/time_scales/frame/base.rb', line 71

def ==(other)
  return true if eql?( other )
  return false unless other.respond_to?( :to_time_scales_frame )
  other = other.to_time_scales_frame
  other.outer_scope == outer_scope &&
    other.precision == precision &&
    other.begin_time_struct == begin_time_struct
end

#eql?(other) ⇒ Boolean

Symmetric, hash-key equality.

Returns:

  • (Boolean) 


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# File 'lib/time_scales/frame/base.rb', line 66

def eql?(other)
  self.class == other.class &&
    self._to_a == other._to_a
end

#hash ⇒ Object 



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# File 'lib/time_scales/frame/base.rb', line 80

def hash
  @hash ||= self.class.hash ^ _to_a.hash
end

#outer_scope ⇒ Object 



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# File 'lib/time_scales/frame/base.rb', line 57

def outer_scope
  self.class.outer_scope
end

#parts ⇒ Object 



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# File 'lib/time_scales/frame/base.rb', line 48

def parts
  @parts ||= Hash[
    self.class.parts.map { |part|
      [ part.symbol, send(part.symbol) ]
    }
  ]
  @parts.dup
end

#precision ⇒ Object 



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# File 'lib/time_scales/frame/base.rb', line 61

def precision
  self.class.precision
end

#to_a ⇒ Object 



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# File 'lib/time_scales/frame/base.rb', line 84

def to_a
  _to_a.dup
end

#to_time_scales_frame ⇒ Object 



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# File 'lib/time_scales/frame/base.rb', line 40

def to_time_scales_frame
  self
end

#type ⇒ Object 



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# File 'lib/time_scales/frame/base.rb', line 44

def type
  self.class
end