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


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

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_fedoraObject (readonly)

Returns the value of attribute active_fedora


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# File 'lib/active_fedora/reflection.rb', line 84

def active_fedora
  @active_fedora
end

#macroObject (readonly)

Returns the macro type.

has_many :clients returns :has_many


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# File 'lib/active_fedora/reflection.rb', line 77

def macro
  @macro
end

#nameObject (readonly)

Returns the name of the macro.

has_many :clients returns :clients


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# File 'lib/active_fedora/reflection.rb', line 72

def name
  @name
end

#optionsObject (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 82

def options
  @options
end

Instance Method Details

#belongs_to?Boolean

Returns true if self is a belongs_to reflection.


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# File 'lib/active_fedora/reflection.rb', line 129

def belongs_to?
  macro == :belongs_to
end

#build_association(*options) ⇒ 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 109

def build_association(*options)
  klass.new(*options)
end

#class_nameObject

Returns the class name for the macro.

has_many :clients returns 'Client'


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# File 'lib/active_fedora/reflection.rb', line 117

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.


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# File 'lib/active_fedora/reflection.rb', line 124

def collection?
  @collection
end

#has_and_belongs_to_many?Boolean


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# File 'lib/active_fedora/reflection.rb', line 137

def has_and_belongs_to_many?
  macro == :has_and_belongs_to_many
end

#has_many?Boolean


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# File 'lib/active_fedora/reflection.rb', line 133

def has_many?
  macro == :has_many
end

#klassObject

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 98

def klass
  @klass ||= class_name.constantize
end