Class: RediSet::Quality

Inherits:
Object
  • Object
show all
Defined in:
lib/redi_set/quality.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(attribute:, name:) ⇒ Quality

Returns a new instance of Quality.



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# File 'lib/redi_set/quality.rb', line 25

def initialize(attribute:, name:)
  @attribute = attribute
  @name = name
end

Instance Attribute Details

#attribute ⇒ Object (readonly)

Returns the value of attribute attribute.



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# File 'lib/redi_set/quality.rb', line 3

def attribute
  @attribute
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/redi_set/quality.rb', line 3

def name
  @name
end

Class Method Details

.collect_from_details(details) ⇒ Object

parse a layered hash like “attribute_name => { quality_name => possessed? }” into a pair of Arrays of quality objects, one full of qualities they should possess, the other full of qualities they should not possess.



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# File 'lib/redi_set/quality.rb', line 8

def self.collect_from_details(details)
  qheld = []
  qlacked = []
  details.each_pair do |attribute_name, attribute_details|
    attribute = Attribute.new(name: attribute_name)
    attribute_details.each_pair do |quality_name, is_held|
      quality = Quality.new(attribute: attribute, name: quality_name)
      if is_held
        qheld << quality
      else
        qlacked << quality
      end
    end
  end
  [qheld, qlacked]
end

Instance Method Details

#key ⇒ Object 



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# File 'lib/redi_set/quality.rb', line 30

def key
  @_key ||= "#{RediSet.prefix}.attr:#{attribute.name}:#{name}"
end

#set_all!(redis, ids) ⇒ Object 



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# File 'lib/redi_set/quality.rb', line 34

def set_all!(redis, ids)
  redis.multi do
    redis.del(key)
    redis.sadd(key, ids)
  end
end