Class: Mongoid::Fields::Internal::ForeignKeys::Object

Inherits:
Object
  • Object
show all
Includes:
Serializable
Defined in:
lib/mongoid/fields/internal/foreign_keys/object.rb

Overview

Defines the behaviour for integer foreign key fields.

Instance Attribute Summary

Attributes included from Serializable

#default_val, #label, #localize, #name, #options

Instance Method Summary collapse

Methods included from Serializable

#constraint, #deserialize, #eval_default, #foreign_key?, #localized?, #metadata, #resizable?, #selection, #type, #versioned?

Instance Method Details

#object_id_field? ⇒ true, false

Is the field a BSON::ObjectId?

Examples:

Is the field a BSON::ObjectId?

field.object_id_field?

Returns:

  • (true, false) —

    If the field is a BSON::ObjectId.

Since:

  • 2.2.0



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# File 'lib/mongoid/fields/internal/foreign_keys/object.rb', line 19

def object_id_field?
  @object_id_field ||=
    metadata.polymorphic? ? true : metadata.klass.using_object_ids?
end

#serialize(object) ⇒ Array

Serialize the object from the type defined in the model to a MongoDB compatible object to store.

Examples:

Serialize the field.

field.serialize(object)

Parameters:

  • object (Object) —

    The object to cast.

Returns:

  • (Array) —

    The converted object.

Since:

  • 2.1.0



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# File 'lib/mongoid/fields/internal/foreign_keys/object.rb', line 35

def serialize(object)
  return nil if object.blank?
  if object_id_field?
    constraint.convert(object)
  else
    case object
    when ::Array
      object.replace(object.map { |arg| serialize(arg) })
    when ::Hash
      object.each_pair do |key, value|
        object[key] = serialize(value)
      end
    else
      metadata.klass.fields["_id"].serialize(object)
    end
  end
end