Class: MongoMapper::Plugins::Associations::SingleAssociation

Inherits:
Base
  • Object
show all
Defined in:
lib/mongo_mapper/plugins/associations/single_association.rb

Direct Known Subclasses

BelongsToAssociation, OneAssociation

Constant Summary

Constants inherited from Base

Base::AssociationOptions

Instance Attribute Summary

Attributes inherited from Base

#name, #options, #query_options

Instance Method Summary collapse

Methods inherited from Base

#as, #as?, #autosave?, #class_name, #embeddable?, #foreign_key, #in_array?, #initialize, #ivar, #klass, #polymorphic?, #proxy_class, #touch?, #type_key_name

Constructor Details

This class inherits a constructor from MongoMapper::Plugins::Associations::Base

Instance Method Details

#setup(model) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/associations/single_association.rb', line 6

def setup(model)
  @model = model
  model.associations_module.module_eval "    def \#{name}\n      proxy = get_proxy(associations[\#{name.inspect}])\n      proxy.nil? ? nil : proxy\n    end\n\n    def \#{name}=(value)\n      association = associations[\#{name.inspect}]\n      proxy = get_proxy(association)\n\n      if proxy.nil? || proxy.target != value\n        proxy = build_proxy(association)\n      end\n\n      proxy.replace(value)\n      value\n    end\n\n    def \#{name}?\n      get_proxy(associations[\#{name.inspect}]).present?\n    end\n\n    def build_\#{name}(attrs={})\n      get_proxy(associations[\#{name.inspect}]).build(attrs)\n    end\n\n    def create_\#{name}(attrs={})\n      get_proxy(associations[\#{name.inspect}]).create(attrs)\n    end\n\n    def create_\#{name}!(attrs={})\n      get_proxy(associations[\#{name.inspect}]).create!(attrs)\n    end\n  end_eval\nend\n"