Class: Qfill::Result
Instance Attribute Summary collapse
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#current_list_ratio_index ⇒ Object
Returns the value of attribute current_list_ratio_index.
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#fill_count ⇒ Object
Returns the value of attribute fill_count.
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#fill_tracker ⇒ Object
Returns the value of attribute fill_tracker.
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#filter ⇒ Object
Returns the value of attribute filter.
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#list_ratios ⇒ Object
Returns the value of attribute list_ratios.
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#max ⇒ Object
Returns the value of attribute max.
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#ratio ⇒ Object
Returns the value of attribute ratio.
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#validate ⇒ Object
Returns the value of attribute validate.
Attributes inherited from List
Class Method Summary collapse
Instance Method Summary collapse
- #add!(object) ⇒ Object
- #allow?(object, list_name) ⇒ Boolean
- #bump_fill_tracker!(list_name) ⇒ Object
- #current_list_ratio ⇒ Object
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#initialize(options = {}) ⇒ Result
constructor
A new instance of Result.
- #is_full? ⇒ Boolean
- #list_ratio_as_array ⇒ Object
- #list_ratio_full?(list_name, max_from_list) ⇒ Boolean
- #print(list_name) ⇒ Object
- #push(objects, list_name) ⇒ Object
- #reset! ⇒ Object
- #set_next_as_current! ⇒ Object
- #to_s ⇒ Object
- #use_validation? ⇒ Boolean
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#valid?(list_name) ⇒ Boolean
Does the queue being pushed into match one of the list_ratios.
- #validate!(list_name) ⇒ Object
Constructor Details
#initialize(options = {}) ⇒ Result
Returns a new instance of Result.
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# File 'lib/qfill/result.rb', line 22 def initialize( = {}) super() @list_ratios = [:list_ratios] || {} with_ratio = self.list_ratio_as_array.map {|tuple| tuple[1]}.compact ratio_leftover = (1 - with_ratio.inject(0, :+)) if ratio_leftover < 0 raise ArgumentError, "#{self.class}: invalid list_ratios for queue '#{self.name}'. List Ratios (#{with_ratio.join(' + ')}) must not total more than 1" end @ratio = [:ratio] @max = 0 @fill_tracker = {} @fill_count = 0 @current_list_ratio_index = 0 # Used by :sample strategy @validate = self.use_validation? end |
Instance Attribute Details
#current_list_ratio_index ⇒ Object
Returns the value of attribute current_list_ratio_index.
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# File 'lib/qfill/result.rb', line 10 def current_list_ratio_index @current_list_ratio_index end |
#fill_count ⇒ Object
Returns the value of attribute fill_count.
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# File 'lib/qfill/result.rb', line 10 def fill_count @fill_count end |
#fill_tracker ⇒ Object
Returns the value of attribute fill_tracker.
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# File 'lib/qfill/result.rb', line 10 def fill_tracker @fill_tracker end |
#filter ⇒ Object
Returns the value of attribute filter.
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# File 'lib/qfill/result.rb', line 10 def filter @filter end |
#list_ratios ⇒ Object
Returns the value of attribute list_ratios.
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# File 'lib/qfill/result.rb', line 10 def list_ratios @list_ratios end |
#max ⇒ Object
Returns the value of attribute max.
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# File 'lib/qfill/result.rb', line 10 def max @max end |
#ratio ⇒ Object
Returns the value of attribute ratio.
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# File 'lib/qfill/result.rb', line 10 def ratio @ratio end |
#validate ⇒ Object
Returns the value of attribute validate.
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# File 'lib/qfill/result.rb', line 10 def validate @validate end |
Class Method Details
.get_limit_from_max_and_ratio(all_list_max, ratio) ⇒ Object
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# File 'lib/qfill/result.rb', line 12 def self.get_limit_from_max_and_ratio(all_list_max, ratio) limit = (all_list_max * ratio).round(0) # If we rounded down to zero we have to keep at least one. # This is because with small origin sets all ratios might round down to 0. if limit == 0 limit += 1 end limit end |
Instance Method Details
#add!(object) ⇒ Object
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# File 'lib/qfill/result.rb', line 60 def add!(object) self.elements << object end |
#allow?(object, list_name) ⇒ Boolean
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# File 'lib/qfill/result.rb', line 64 def allow?(object, list_name) !self.filter.respond_to?(:call) || # If there is a filter, then it must return true to proceed self.filter.run(object, list_name) end |
#bump_fill_tracker!(list_name) ⇒ Object
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# File 'lib/qfill/result.rb', line 70 def bump_fill_tracker!(list_name) self.fill_tracker[list_name] ||= 0 self.fill_tracker[list_name] += 1 self.fill_count += 1 end |
#current_list_ratio ⇒ Object
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# File 'lib/qfill/result.rb', line 94 def current_list_ratio self.list_ratio_as_array[self.current_list_ratio_index] end |
#is_full? ⇒ Boolean
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# File 'lib/qfill/result.rb', line 112 def is_full? self.fill_count >= self.max end |
#list_ratio_as_array ⇒ Object
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# File 'lib/qfill/result.rb', line 89 def list_ratio_as_array # [["high",0.4],["medium",0.4],["low",0.2]] @list_ratio_as_array ||= self.list_ratios.to_a end |
#list_ratio_full?(list_name, max_from_list) ⇒ Boolean
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# File 'lib/qfill/result.rb', line 38 def list_ratio_full?(list_name, max_from_list) self.fill_tracker[list_name] >= max_from_list end |
#print(list_name) ⇒ Object
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# File 'lib/qfill/result.rb', line 56 def print(list_name) puts "Added to #{list_name}.\nResult List #{self.name} now has #{self.elements.length} total objects.\nSources:\n #{self.fill_tracker.inspect} " end |
#push(objects, list_name) ⇒ Object
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# File 'lib/qfill/result.rb', line 42 def push(objects, list_name) self.validate!(list_name) added = 0 objects.each do |object| if self.allow?(object, list_name) self.bump_fill_tracker!(list_name) self.add!(object) added += 1 #self.print(list_name) end end return added end |
#reset! ⇒ Object
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# File 'lib/qfill/result.rb', line 108 def reset! self.current_list_ratio_index = 0 end |
#set_next_as_current! ⇒ Object
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# File 'lib/qfill/result.rb', line 98 def set_next_as_current! next_index = self.current_list_ratio_index + 1 if (next_index) == self.list_ratio_as_array.length # If we have iterated through all the list_ratios, then we reset self.reset! else self.current_list_ratio_index = next_index end end |
#to_s ⇒ Object
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# File 'lib/qfill/result.rb', line 116 def to_s "Qfill::Result: ratio: #{self.ratio}, list_ratios: #{self.list_ratios}, fill_tracker: #{self.fill_tracker}, fill_count: #{self.fill_count}, filter: #{!!self.filter ? 'Yes' : 'No'}, current_list_ratio_index: #{self.current_list_ratio_index}, max: #{self.max}" end |
#use_validation? ⇒ Boolean
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# File 'lib/qfill/result.rb', line 85 def use_validation? !self.list_ratios.empty? end |
#valid?(list_name) ⇒ Boolean
Does the queue being pushed into match one of the list_ratios
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# File 'lib/qfill/result.rb', line 77 def valid?(list_name) self.list_ratios.has_key?(list_name) end |
#validate!(list_name) ⇒ Object
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# File 'lib/qfill/result.rb', line 81 def validate!(list_name) raise ArgumentError, "#{self.class}: #{list_name} is an invalid list_name. Valid list_names are: #{self.list_ratios.keys}" if self.validate && !self.valid?(list_name) end |