Module: Wonkavision::Plugins::Aggregation::ClassMethods

Defined in:
lib/wonkavision/plugins/analytics/aggregation.rb

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(m, *args, &block) ⇒ Object 



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# File 'lib/wonkavision/plugins/analytics/aggregation.rb', line 77

def method_missing(m,*args,&block)
  aggregation_spec.respond_to?(m) ? aggregation_spec.send(m,*args,&block) : super
end

Instance Method Details

#[](dimensions) ⇒ Object 



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# File 'lib/wonkavision/plugins/analytics/aggregation.rb', line 37

def [](dimensions)
  key = [dimension_names(dimensions),dimension_keys(dimensions)]
  @instances ||= HashWithIndifferentAccess.new
  @instances[key] ||= self.new(dimensions)
end

#aggregates(facts_class = nil) ⇒ Object Also known as: facts 



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# File 'lib/wonkavision/plugins/analytics/aggregation.rb', line 43

def aggregates(facts_class = nil)
  return aggregation_options[:facts_class] unless facts_class

  facts_class.aggregations << self
  aggregation_options[:facts_class] = facts_class
end

#dimension_keys(dimensions) ⇒ Object 



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# File 'lib/wonkavision/plugins/analytics/aggregation.rb', line 55

def dimension_keys(dimensions)
  dimension_names(dimensions).map do |dim|
    dimensions[dim][self.dimensions[dim].key.to_s]
  end
end

#dimension_names(dimensions) ⇒ Object 



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# File 'lib/wonkavision/plugins/analytics/aggregation.rb', line 51

def dimension_names(dimensions)
  dimensions.keys.sort
end

#query(options = {}, &block) ⇒ Object 



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# File 'lib/wonkavision/plugins/analytics/aggregation.rb', line 61

def query(options={},&block)
  raise "Aggregation#query is not valid unless a store has been configured" unless store
  query = Wonkavision::Analytics::Query.new
  query.instance_eval(&block) if block
  query.validate!

  return query if options[:defer]

  tuples = store.execute_query(query)

  Wonkavision::Analytics::CellSet.new( self,
                                       query,
                                       tuples )
end

#store(new_store = nil) ⇒ Object 



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# File 'lib/wonkavision/plugins/analytics/aggregation.rb', line 21

def store(new_store=nil)
  if new_store
    store = new_store.kind_of?(Wonkavision::Analytics::Persistence::Store) ? store :
      Wonkavision::Analytics::Persistence::Store[new_store]

    raise "Could not find a storage type of #{new_store}" unless store

    store = store.new(self) if store.respond_to?(:new)

    aggregation_options[:store] = store
  else
    aggregation_options[:store]
  end
end