Module: BigRecord::BrAssociations::ClassMethods

Defined in:
lib/big_record/br_associations.rb

Instance Method Summary

Instance Method Details

- (Object) belongs_to_big_record(association_id, options = {}) Also known as: belongs_to_bigrecord 



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# File 'lib/big_record/br_associations.rb', line 58

def belongs_to_big_record(association_id, options = {})
  if options.include?(:class_name) && !options.include?(:foreign_key)
    ::ActiveSupport::Deprecation.warn(
    "The inferred foreign_key name will change in Rails 2.0 to use the association name instead of its class name when they differ.  When using :class_name in belongs_to, use the :foreign_key option to explicitly set the key name to avoid problems in the transition.",
    caller)
  end

  reflection = create_belongs_to_big_record_reflection(association_id, options)

  if reflection.options[:polymorphic]
    association_accessor_methods_big_record(reflection, BelongsToPolymorphicAssociation)

    module_eval do
      before_save "association = instance_variable_get(\"@\#{reflection.name}\")\nif association && association.target\nif association.new_record?\nassociation.save(true)\nend\n\nif association.updated?\nself[\"\#{reflection.primary_key_name}\"] = association.id\nself[\"\#{reflection.options[:foreign_type]}\"] = association.class.base_class.name.to_s\nend\nend\n"
    end
  else
    association_accessor_methods_big_record(reflection, BelongsToAssociation)
    association_constructor_method_big_record(:build,  reflection, BelongsToAssociation)
    association_constructor_method_big_record(:create, reflection, BelongsToAssociation)

    module_eval do
      before_save "association = instance_variable_get(\"@\#{reflection.name}\")\nif !association.nil?\nif association.new_record?\nassociation.save(true)\nend\n\nif association.updated?\nself[\"\#{reflection.primary_key_name}\"] = association.id\nend\nend\n"
    end
  end

  if options[:counter_cache]
    cache_column = options[:counter_cache] == true ?
      "#{self.to_s.underscore.pluralize}_count" :
      options[:counter_cache]

    module_eval(
      "after_create '#{reflection.name}.class.increment_counter(\"#{cache_column}\", #{reflection.primary_key_name})" +
      " unless #{reflection.name}.nil?'"
    )

    module_eval(
      "before_destroy '#{reflection.name}.class.decrement_counter(\"#{cache_column}\", #{reflection.primary_key_name})" +
      " unless #{reflection.name}.nil?'"
    )
  end
end

- (Object) belongs_to_many(association_id, options = {}) 



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# File 'lib/big_record/br_associations.rb', line 128

def belongs_to_many(association_id, options = {})
  if options.include?(:class_name) && !options.include?(:foreign_key)
    ::ActiveSupport::Deprecation.warn(
    "The inferred foreign_key name will change in Rails 2.0 to use the association name instead of its class name when they differ.  When using :class_name in belongs_to, use the :foreign_key option to explicitly set the key name to avoid problems in the transition.",
    caller)
  end

  reflection = create_belongs_to_many_reflection(association_id, options)

  association_accessor_methods_big_record(reflection, BelongsToManyAssociation)
  association_constructor_method_big_record(:build,  reflection, BelongsToManyAssociation)
  association_constructor_method_big_record(:create, reflection, BelongsToManyAssociation)

  module_eval do
    before_save "association = instance_variable_get(\"@\#{reflection.name}\")\nif !association.nil?\nassociation.each do |r|\nr.save(true) if r.new_record?\nend\n\nif association.updated?\nself[\"\#{reflection.primary_key_name}\"] = association.collect{|r| r.id}\nend\nend\n"
  end

end

- (Object) has_and_belongs_to_many_big_records(association_id, options = {}, &extension) Also known as: has_and_belongs_to_many_bigrecords 



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# File 'lib/big_record/br_associations.rb', line 160

def has_and_belongs_to_many_big_records(association_id, options = {}, &extension)
  reflection = create_has_and_belongs_to_many_big_records_reflection(association_id, options, &extension)

  collection_accessor_methods(reflection, HasAndBelongsToManyAssociation)

  # Don't use a before_destroy callback since users' before_destroy
  # callbacks will be executed after the association is wiped out.
  old_method = "destroy_without_habtm_shim_for_#{reflection.name}"
  class_eval "alias_method :\#{old_method}, :destroy_without_callbacks\ndef destroy_without_callbacks\n\#{reflection.name}.clear\n\#{old_method}\nend\n"

  add_association_callbacks(reflection.name, options)
end

- (Object) has_many_big_records(association_id, options = {}, &extension) Also known as: has_many_bigrecords 



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# File 'lib/big_record/br_associations.rb', line 18

def has_many_big_records(association_id, options = {}, &extension)
  reflection = create_has_many_big_records_reflection(association_id, options, &extension)

  configure_dependency_for_has_many(reflection)

  if options[:through]
    collection_reader_method(reflection, HasManyThroughAssociation)
  else
    add_association_callbacks(reflection.name, reflection.options)
    collection_accessor_methods(reflection, HasManyAssociation)
  end
end

- (Object) has_one_big_record(association_id, options = {}) Also known as: has_one_bigrecord 



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# File 'lib/big_record/br_associations.rb', line 34

def has_one_big_record(association_id, options = {})
  reflection = create_has_one_big_record_reflection(association_id, options)

  module_eval do
    after_save "association = instance_variable_get(\"@\#{reflection.name}\")\nif !association.nil? && (new_record? || association.new_record? || association[\"\#{reflection.primary_key_name}\"] != id)\nassociation[\"\#{reflection.primary_key_name}\"] = id\nassociation.save(true)\nend\n"
  end

  association_accessor_methods_big_record(reflection, HasOneAssociation)
  association_constructor_method_big_record(:build,  reflection, HasOneAssociation)
  association_constructor_method_big_record(:create, reflection, HasOneAssociation)

  configure_dependency_for_has_one(reflection)
end