Class: ActiveAny::Reflection::AssociationReflection

Inherits:
Object
  • Object
show all
Defined in:
lib/active_any/reflection/association_reflection.rb

Direct Known Subclasses

BelongsToReflection, HasManyReflection

Defined Under Namespace

Classes: JoinKeys

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, scope, options, record_class) ⇒ AssociationReflection

Returns a new instance of AssociationReflection.



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# File 'lib/active_any/reflection/association_reflection.rb', line 8

def initialize(name, scope, options, record_class)
  @name = name
  @record_class = record_class
  @options = options
  @scope = scope
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/active_any/reflection/association_reflection.rb', line 6

def name
  @name
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/active_any/reflection/association_reflection.rb', line 6

def options
  @options
end

#record_class ⇒ Object (readonly)

Returns the value of attribute record_class.



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# File 'lib/active_any/reflection/association_reflection.rb', line 6

def record_class
  @record_class
end

#scope ⇒ Object (readonly)

Returns the value of attribute scope.



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# File 'lib/active_any/reflection/association_reflection.rb', line 6

def scope
  @scope
end

Instance Method Details

#association_class ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/active_any/reflection/association_reflection.rb', line 15

def association_class
  raise NotImplementedError
end

#belongs_to? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_any/reflection/association_reflection.rb', line 39

def belongs_to?
  false
end

#check_preloadable! ⇒ Object Also known as: check_eager_loadable! 



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# File 'lib/active_any/reflection/association_reflection.rb', line 57

def check_preloadable!
  return unless scope

  if scope.arity.positive?
    raise ArgumentError, "      The association scope '\#{name}' is instance dependent (the scope\n      block takes an argument). Preloading instance dependent scopes is\n      not supported.\n    MSG\n  end\nend\n".squish

#class_name ⇒ Object 



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# File 'lib/active_any/reflection/association_reflection.rb', line 23

def class_name
  @class_name ||= (options[:class_name] || derive_class_name).to_s
end

#collection? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_any/reflection/association_reflection.rb', line 35

def collection?
  false
end

#compute_class(name) ⇒ Object 



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# File 'lib/active_any/reflection/association_reflection.rb', line 31

def compute_class(name)
  name.constantize
end

#foreign_key ⇒ Object 



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# File 'lib/active_any/reflection/association_reflection.rb', line 49

def foreign_key
  @foreign_key ||= options[:foreign_key] || derive_foreign_key.freeze
end

#inverse_of ⇒ Object 



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# File 'lib/active_any/reflection/association_reflection.rb', line 70

def inverse_of
  return unless inverse_name

  @inverse_of ||= klass._reflect_on_association inverse_name
end

#join_keys ⇒ Object 



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# File 'lib/active_any/reflection/association_reflection.rb', line 45

def join_keys
  JoinKeys.new(join_pk, join_fk)
end

#klass ⇒ Object 



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# File 'lib/active_any/reflection/association_reflection.rb', line 27

def klass
  @klass ||= compute_class(class_name)
end

#marco ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/active_any/reflection/association_reflection.rb', line 19

def marco
  raise NotImplementedError
end

#record_class_primary_key ⇒ Object 



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# File 'lib/active_any/reflection/association_reflection.rb', line 76

def record_class_primary_key
  @primary_key ||= options[:primary_key] || primary_key(record_class)
end

#scope_for(klass) ⇒ Object 



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# File 'lib/active_any/reflection/association_reflection.rb', line 53

def scope_for(klass)
  scope ? klass.unscoped.instance_exec(nil, &scope) : klass.unscoped
end