class Arel::Visitors::Reduce

Public Instance Methods

accept(object, collector) click to toggle source
# File lib/arel/visitors/reduce.rb, line 7
def accept object, collector
  visit object, collector
end

Private Instance Methods

visit(object, collector) click to toggle source
# File lib/arel/visitors/reduce.rb, line 13
def visit object, collector
  dispatch_method = dispatch[object.class]
  send dispatch_method, object, collector
rescue NoMethodError => e
  raise e if respond_to?(dispatch_method, true)
  superklass = object.class.ancestors.find { |klass|
    respond_to?(dispatch[klass], true)
  }
  raise(TypeError, "Cannot visit #{object.class}") unless superklass
  dispatch[object.class] = dispatch[superklass]
  retry
end