Method: Mongoid::Relations::Constraint#convert

Defined in:
lib/mongoid/relations/constraint.rb

#convert(object) ⇒ Object

Convert the supplied object to the appropriate type to set as the foreign key for a relation.

Examples:

Convert the object.

constraint.convert("12345")

Parameters:

  • object (Object) —

    The object to convert.

Returns:

  • (Object) —

    The object cast to the correct type.

Since:

  • 2.0.0.rc.7



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# File 'lib/mongoid/relations/constraint.rb', line 36

def convert(object)
  return object if metadata.polymorphic?
  klass, field = metadata.klass, metadata.klass.fields["_id"]
  if klass.using_object_ids?
    BSON::ObjectId.mongoize(object)
  elsif object.is_a?(::Array)
    object.map!{ |obj| field.mongoize(obj) }
  else
    field.mongoize(object)
  end
end