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.



105
106
107
108
109
110
111
 
# File 'lib/active_fedora/reflection.rb', line 105

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

Instance Attribute Details

#active_fedora ⇒ Object (readonly)

Returns the value of attribute active_fedora.



87
88
89
 
# File 'lib/active_fedora/reflection.rb', line 87

def active_fedora
  @active_fedora
end

#macro ⇒ Object (readonly)

Returns the macro type.

has_many :clients returns :has_many



80
81
82
 
# File 'lib/active_fedora/reflection.rb', line 80

def macro
  @macro
end

#name ⇒ Object (readonly)

Returns the name of the macro.

has_many :clients returns :clients



75
76
77
 
# File 'lib/active_fedora/reflection.rb', line 75

def name
  @name
end

#options ⇒ Object (readonly)

Returns the hash of options used for the macro.

has_many :clients returns {}



85
86
87
 
# File 'lib/active_fedora/reflection.rb', line 85

def options
  @options
end

Instance Method Details

#belongs_to? ⇒ Boolean

Returns true if self is a belongs_to reflection.

Returns:

  • (Boolean) 


134
135
136
 
# File 'lib/active_fedora/reflection.rb', line 134

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.



115
116
117
 
# File 'lib/active_fedora/reflection.rb', line 115

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'



122
123
124
 
# File 'lib/active_fedora/reflection.rb', line 122

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) 


129
130
131
 
# File 'lib/active_fedora/reflection.rb', line 129

def collection?
  @collection
end

#has_and_belongs_to_many? ⇒ Boolean

Returns:

  • (Boolean) 


142
143
144
 
# File 'lib/active_fedora/reflection.rb', line 142

def has_and_belongs_to_many?
  macro == :has_and_belongs_to_many
end

#has_many? ⇒ Boolean

Returns:

  • (Boolean) 


138
139
140
 
# File 'lib/active_fedora/reflection.rb', line 138

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.



101
102
103
 
# File 'lib/active_fedora/reflection.rb', line 101

def klass
  @klass ||= class_name.constantize
end