Class: CanTango::Ability::Cache::Key
- Inherits:
-
Object
- Object
- CanTango::Ability::Cache::Key
- Defined in:
- lib/cantango/ability/cache/key.rb
Instance Attribute Summary collapse
-
#subject ⇒ Object
readonly
Returns the value of attribute subject.
-
#user ⇒ Object
readonly
Returns the value of attribute user.
Class Method Summary collapse
Instance Method Summary collapse
-
#initialize(user, subject = nil) ⇒ Key
constructor
A new instance of Key.
- #same?(session) ⇒ Boolean
- #value ⇒ Object
Constructor Details
#initialize(user, subject = nil) ⇒ Key
Returns a new instance of Key.
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# File 'lib/cantango/ability/cache/key.rb', line 7 def initialize user, subject = nil @user = user @subject = subject || user end |
Instance Attribute Details
#subject ⇒ Object (readonly)
Returns the value of attribute subject.
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# File 'lib/cantango/ability/cache/key.rb', line 5 def subject @subject end |
#user ⇒ Object (readonly)
Returns the value of attribute user.
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# File 'lib/cantango/ability/cache/key.rb', line 5 def user @user end |
Class Method Details
.create_for(ability) ⇒ Object
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# File 'lib/cantango/ability/cache/key.rb', line 12 def self.create_for ability self.new ability.user, ability.subject end |
Instance Method Details
#same?(session) ⇒ Boolean
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# File 'lib/cantango/ability/cache/key.rb', line 21 def same? session raise "No session available" if !session session[:cache_key] && (value == session[:cache_key].value) end |
#value ⇒ Object
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# File 'lib/cantango/ability/cache/key.rb', line 16 def value raise "No key could be generated for #{user} and #{subject}" if hash_values.empty? @value ||= hash_values.hash end |