Class: ConceptQL::Nodifier

Inherits:
Object
  • Object
show all
Defined in:
lib/conceptql/nodifier.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ Nodifier

Returns a new instance of Nodifier.



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# File 'lib/conceptql/nodifier.rb', line 7

def initialize(opts={})
  @scope = opts[:scope] || Scope.new(opts)
  @data_model = opts[:data_model] || :omopv4
  @database_type = opts[:database_type] || :impala
  @algorithm_fetcher = opts[:algorithm_fetcher] || (proc do |alg|
    nil
  end)
end

Instance Attribute Details

#algorithm_fetcher ⇒ Object (readonly)

Returns the value of attribute algorithm_fetcher.



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# File 'lib/conceptql/nodifier.rb', line 5

def algorithm_fetcher
  @algorithm_fetcher
end

#data_model ⇒ Object (readonly)

Returns the value of attribute data_model.



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# File 'lib/conceptql/nodifier.rb', line 5

def data_model
  @data_model
end

#database_type ⇒ Object (readonly)

Returns the value of attribute database_type.



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# File 'lib/conceptql/nodifier.rb', line 5

def database_type
  @database_type
end

#scope ⇒ Object (readonly)

Returns the value of attribute scope.



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# File 'lib/conceptql/nodifier.rb', line 5

def scope
  @scope
end

Instance Method Details

#create(operator, *values) ⇒ Object 



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# File 'lib/conceptql/nodifier.rb', line 16

def create(operator, *values)
  if operator.to_s == 'algorithm'
    statement, desc = algorithm_fetcher.call(values.first)
    if statement
      create(*statement)
    else
      invalid_op(operator, values, "invalid algorithm", values.first)
    end
  elsif klass = operators[operator.to_s]
    klass.new(self, *values)
  else
    invalid_op(operator, values, "invalid operator", operator)
  end
end

#to_metadata(opts = {}) ⇒ Object 



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# File 'lib/conceptql/nodifier.rb', line 31

def to_metadata(opts = {})
  Hash[operators.map { |k, v| [k, v.to_metadata(k, opts)]}.select { |k, v| !v[:categories].empty? }.sort_by { |k, v| v[:name] }]
end