Class: ActiveFedora::Reflection::MacroReflection

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

Direct Known Subclasses

AssociationReflection

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(macro, name, options, active_fedora) ⇒ MacroReflection

Returns a new instance of MacroReflection.



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# File 'lib/active_fedora/reflection.rb', line 106

def initialize(macro, name, options, active_fedora)
  @macro, @name, @options, @active_fedora = macro, name, options, active_fedora
  @automatic_inverse_of = nil
end

Instance Attribute Details

#active_fedora ⇒ Object (readonly)

Returns the value of attribute active_fedora.



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# File 'lib/active_fedora/reflection.rb', line 88

def active_fedora
  @active_fedora
end

#macro ⇒ Object (readonly)

Returns the macro type.

has_many :clients returns :has_many



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# File 'lib/active_fedora/reflection.rb', line 81

def macro
  @macro
end

#name ⇒ Object (readonly)

Returns the name of the macro.

has_many :clients returns :clients



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# File 'lib/active_fedora/reflection.rb', line 76

def name
  @name
end

#options ⇒ Object (readonly)

Returns the hash of options used for the macro.

has_many :clients returns {}



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# File 'lib/active_fedora/reflection.rb', line 86

def options
  @options
end

Instance Method Details

#belongs_to? ⇒ Boolean

Returns true if self is a belongs_to reflection.

Returns:

  • (Boolean) 


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# File 'lib/active_fedora/reflection.rb', line 132

def belongs_to?
  macro == :belongs_to
end

#build_association(*options, &block) ⇒ Object

Returns a new, unsaved instance of the associated class. options will be passed to the class’s constructor.



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# File 'lib/active_fedora/reflection.rb', line 113

def build_association(*options, &block)
  klass.new(*options, &block)
end

#class_name ⇒ Object

Returns the class name for the macro.

has_many :clients returns 'Client'



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# File 'lib/active_fedora/reflection.rb', line 120

def class_name
  @class_name ||= options[:class_name] || derive_class_name
end

#collection? ⇒ Boolean

Returns whether or not this association reflection is for a collection association. Returns true if the macro is either has_many or has_and_belongs_to_many, false otherwise.

Returns:

  • (Boolean) 


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# File 'lib/active_fedora/reflection.rb', line 127

def collection?
  @collection
end

#has_and_belongs_to_many? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_fedora/reflection.rb', line 140

def has_and_belongs_to_many?
  macro == :has_and_belongs_to_many
end

#has_many? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_fedora/reflection.rb', line 136

def has_many?
  macro == :has_many
end

#klass ⇒ Object

Returns the target association’s class.

class Author < ActiveRecord::Base
  has_many :books
end

Author.reflect_on_association(:books).klass
# => Book

Note: Do not call klass.new or klass.create to instantiate a new association object. Use build_association or create_association instead. This allows plugins to hook into association object creation.



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# File 'lib/active_fedora/reflection.rb', line 102

def klass
  @klass ||= class_name.constantize
end