Module: Sp2db::ImportStrategy

Extended by:
ImportStrategy
Included in:
ImportStrategy
Defined in:
lib/sp2db/import_strategy.rb

Defined Under Namespace

Classes: Base

Instance Method Summary collapse

Instance Method Details

#add(label, strategy = nil, &block) ⇒ Object

Add strategy



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# File 'lib/sp2db/import_strategy.rb', line 7

def add label, strategy=nil, &block
  strategy ||= Class.new(Base)
  strategy.class_eval(&block) if block_given?
  strategies[label.to_sym] = strategy
end

#labels ⇒ Object 



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# File 'lib/sp2db/import_strategy.rb', line 22

def labels
  strategies.keys.map(&:to_sym)
end

#strategies ⇒ Object 



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# File 'lib/sp2db/import_strategy.rb', line 14

def strategies
  @strategies ||= {}.with_indifferent_access
end

#strategy_by_name(name) ⇒ Object 



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# File 'lib/sp2db/import_strategy.rb', line 18

def strategy_by_name name
  strategies[name.to_s] || raise("Invalid import strategy: #{name}")
end

#valid!(s) ⇒ Object 



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# File 'lib/sp2db/import_strategy.rb', line 26

def valid! s
  raise "Unsuported strategies" unless labels.include?(s.to_sym)
  true
end