Class: InitialTestData::SequenceEnumerator

Inherits:
Object
  • Object
show all
Defined in:
lib/initial-test-data/sequence_enumerator.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name) ⇒ SequenceEnumerator

Returns a new instance of SequenceEnumerator.



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# File 'lib/initial-test-data/sequence_enumerator.rb', line 3

def initialize(name)
  @name = name
  @index = self.class.register(name, self)
  @value = self.class.initial_value_for(name, @index)
end

Class Method Details

.clear ⇒ Object 



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# File 'lib/initial-test-data/sequence_enumerator.rb', line 45

def clear
  @enumerators.clear
  @cached_values = nil
end

.enumerators ⇒ Object 



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# File 'lib/initial-test-data/sequence_enumerator.rb', line 22

def enumerators
  @enumerators ||= {}
  @enumerators
end

.initial_value_for(name, index) ⇒ Object 



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# File 'lib/initial-test-data/sequence_enumerator.rb', line 33

def initial_value_for(name, index)
  cached_values_for(name)[index] || 1
end

.register(name, enumerator) ⇒ Object 



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# File 'lib/initial-test-data/sequence_enumerator.rb', line 27

def register(name, enumerator)
  enumerators[name.to_s] ||= []
  enumerators[name.to_s] << enumerator
  enumerators[name.to_s].size - 1
end

.reset ⇒ Object 



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# File 'lib/initial-test-data/sequence_enumerator.rb', line 37

def reset
  enumerators.each_value do |enums|
    enums.each do |enum|
      enum.reset
    end
  end
end

.save ⇒ Object 



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# File 'lib/initial-test-data/sequence_enumerator.rb', line 50

def save
  hash = {}
  enumerators.each do |name, enums|
    hash[name] = enums.map(&:peek)
  end
  File.open(data_path, 'w') do |f|
    f.write hash.to_yaml
  end
end

Instance Method Details

#next ⇒ Object 



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# File 'lib/initial-test-data/sequence_enumerator.rb', line 13

def next
  @value = @value.next
end

#peek ⇒ Object 



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# File 'lib/initial-test-data/sequence_enumerator.rb', line 9

def peek
  @value
end

#reset ⇒ Object 



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# File 'lib/initial-test-data/sequence_enumerator.rb', line 17

def reset
  @value = 1
end