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# File 'ext/active_record/associations.rb', line 10
def has_and_belongs_to_many(name, scope = nil, **options, &extension)
habtm_reflection = ActiveRecord::Reflection::HasAndBelongsToManyReflection.new(name, scope, options, self)
builder = Builder::HasAndBelongsToMany.new name, self, options
join_model = builder.through_model
const_set join_model.name, join_model
private_constant join_model.name
middle_reflection = builder.middle_reflection join_model
Builder::HasMany.define_callbacks self, middle_reflection
Reflection.add_reflection self, middle_reflection.name, middle_reflection
middle_reflection.parent_reflection = habtm_reflection
include Module.new {
class_eval " def destroy_associations\n if !self.sunstone?\n association(:\#{middle_reflection.name}).delete_all(:delete_all)\n association(:\#{name}).reset\n end\n super\n end\n RUBY\n }\n\n hm_options = {}\n hm_options[:through] = middle_reflection.name\n hm_options[:source] = join_model.right_reflection.name\n\n [:before_add, :after_add, :before_remove, :after_remove, :autosave, :validate, :join_table, :class_name, :extend, :strict_loading].each do |k|\n hm_options[k] = options[k] if options.key? k\n end\n\n has_many name, scope, **hm_options, &extension\n _reflections[name].parent_reflection = habtm_reflection\nend\n", __FILE__, __LINE__ + 1
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