module Mongoid::Criteria::Queryable::Forwardable
Allows for easy delegation of queryable queryable instance methods to a specific method.
Public Instance Methods
select_with(receiver)
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Tells queryable with method on the class to delegate to when calling an original selectable or optional method on the class.
@example Tell queryable where to select from.
class Band extend Queryable::Forwardable select_with :criteria def self.criteria Query.new end end
@param [ Symbol ] receiver The name of the receiver method.
@return [ Array<Symbol> ] The names of the forwarded methods.
@since 1.0.0
# File lib/mongoid/criteria/queryable/forwardable.rb, line 27 def select_with(receiver) (Selectable.forwardables + Optional.forwardables).each do |name| __forward__(name, receiver) end end
Private Instance Methods
__forward__(name, receiver)
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Forwards the method name to the provided receiver method.
@api private
@example Define the forwarding.
Model.__forward__(:exists, :criteria)
@param [ Symbol ] name The name of the method. @param [ Symbol ] receiver The name of the receiver method.
@since 1.0.0
# File lib/mongoid/criteria/queryable/forwardable.rb, line 46 def __forward__(name, receiver) if self.class == Module module_eval <<-SEL, __FILE__, __LINE__ + 1 def #{name}(*args, &block) #{receiver}.__send__(:#{name}, *args, &block) end SEL else singleton_class.class_eval <<-SEL, __FILE__, __LINE__ + 1 def #{name}(*args, &block) #{receiver}.__send__(:#{name}, *args, &block) end SEL end end