Module: ActiveWarehouse::HierarchicalDimension::ClassMethods

Defined in:
lib/active_warehouse/dimension/hierarchical_dimension.rb

Overview

:nodoc

Instance Method Summary collapse

Instance Method Details

#acts_as_hierarchy_dimension ⇒ Object Also known as: acts_as_hierarchical_dimension

Indicates that a dimension is a variable-depth hierarchy.



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# File 'lib/active_warehouse/dimension/hierarchical_dimension.rb', line 11

def acts_as_hierarchy_dimension
  unless hierarchical_dimension?
     class << self
       # Get the bridge class for this dimension
       def bridge_class
         unless @bridge_class
           unless Object.const_defined?(bridge_class_name.to_sym)
             Object.const_set(bridge_class_name.to_sym, Class.new(ActiveWarehouse::Bridge))
           end
           @bridge_class = Object.const_get(bridge_class_name.to_sym)
         end
         @bridge_class
       end

       # Get the bridge class name for this hierarchical dimension
       def bridge_class_name
         name.gsub(/Dimension$/, '') + 'HierarchyBridge'
       end
     end
  end
  include InstanceMethods
end

#hierarchical_dimension? ⇒ Boolean

Return true if this is a hierarchical dimension



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# File 'lib/active_warehouse/dimension/hierarchical_dimension.rb', line 36

def hierarchical_dimension?
  self.included_modules.include?(InstanceMethods)
end