Class: Bigamy::BelongsTo

Inherits:
Proxy
  • Object
show all
Defined in:
lib/bigamy/proxy.rb

Direct Known Subclasses

ARBelongsTo, MongoBelongsTo

Instance Attribute Summary

Attributes inherited from Proxy

#me, #methods_added, #name, #options, #primary_key

Instance Method Summary collapse

Methods inherited from Proxy

#create_accessors, #divorce_everyone, #root_klass, #root_klass_name, #serialize_foreign_key, #target_klass, #target_klass_name

Constructor Details

#initialize(parent, name, options) ⇒ BelongsTo

Returns a new instance of BelongsTo.



139
140
141
 
# File 'lib/bigamy/proxy.rb', line 139

def initialize parent, name, options
  super
end

Instance Method Details

#add_getter ⇒ Object 



147
148
149
150
151
152
153
154
155
 
# File 'lib/bigamy/proxy.rb', line 147

def add_getter
  code = "    def \#{name}\n      self.\#{primary_key}.blank? ? nil : \#{klass}.first(:conditions => {:\#{primary_key} => export_id_val(self.\#{foreign_key})})\n    end\n  EOF\n\n  me.class_eval code, __FILE__, __LINE__\nend\n"

#add_setter ⇒ Object 



157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
 
# File 'lib/bigamy/proxy.rb', line 157

def add_setter
  code = "    def \#{name}= val\n      if val.nil?\n        set_value(:\#{foreign_key}, nil)\n        return\n      end\n      \n      raise NewRecordAssignment if val.new_record?\n      raise TypeError.new(\"Should get \#{klass}\") unless val.is_a? \#{klass}\n\n      set_value :\#{foreign_key}, val.\#{primary_key}\n    end\n  EOF\n\n  me.class_eval code, __FILE__, __LINE__ \nend\n"

#foreign_key ⇒ Object 



143
144
145
 
# File 'lib/bigamy/proxy.rb', line 143

def foreign_key
  options[:foreign_key] || :"#{target_klass_name}_id"
end