Class: DataDepo::Query

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/data_depo/query.rb

Instance Method Summary collapse

Constructor Details

#initialize(name = nil, path = []) ⇒ Query

Returns a new instance of Query.



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# File 'lib/data_depo/query.rb', line 9

def initialize(name=nil, path=[])
  @name = name
  @path = path
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, &block) ⇒ Object (private) 



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# File 'lib/data_depo/query.rb', line 33

def method_missing(name, *args, &block)
  loader = DataDepo.current_loader.new(@path)
  unless loader.files.empty?
    a = ArrayData.gen(@name, loader.load)
    return a.respond_to?(name) ? a.__send__(name, *args, &block) : super
  end
  super
end

Instance Method Details

#[](*keys) ⇒ Object 



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# File 'lib/data_depo/query.rb', line 14

def [](*keys)
  raise if keys.empty?

  @name ||= keys.first
  path = (@path || []) | keys
  self.class.new(@name, path)
end

#each(&block) ⇒ Object 



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# File 'lib/data_depo/query.rb', line 22

def each(&block)
  data = DataDepo.current_loader.new(@path).load
  data.each(&block)
end

#files ⇒ Object 



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# File 'lib/data_depo/query.rb', line 27

def files
  loader = DataDepo.current_loader.new(@path)
  loader.files
end