Module: ActiveSupport::Memoizable::InstanceMethods

Defined in:
activesupport/lib/active_support/memoizable.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'activesupport/lib/active_support/memoizable.rb', line 18

def self.included(base)
  base.class_eval do
    unless base.method_defined?(:freeze_without_memoizable)
      alias_method_chain :freeze, :memoizable
    end
  end
end

Instance Method Details

#flush_cache(*syms) ⇒ Object 



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# File 'activesupport/lib/active_support/memoizable.rb', line 54

def flush_cache(*syms)
  syms.each do |sym|
    (methods + private_methods + protected_methods).each do |m|
      if m.to_s =~ /^_unmemoized_(#{sym.to_s.gsub(/\?\Z/, '\?')})/
        ivar = ActiveSupport::Memoizable.memoized_ivar_for($1)
        instance_variable_get(ivar).clear if instance_variable_defined?(ivar)
      end
    end
  end
end

#freeze_with_memoizable ⇒ Object 



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# File 'activesupport/lib/active_support/memoizable.rb', line 26

def freeze_with_memoizable
  memoize_all unless frozen?
  freeze_without_memoizable
end

#memoize_all ⇒ Object 



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# File 'activesupport/lib/active_support/memoizable.rb', line 31

def memoize_all
  prime_cache ".*"
end

#prime_cache(*syms) ⇒ Object 



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# File 'activesupport/lib/active_support/memoizable.rb', line 39

def prime_cache(*syms)
  syms.each do |sym|
    methods.each do |m|
      if m.to_s =~ /^_unmemoized_(#{sym})/
        if method(m).arity == 0
          __send__($1)
        else
          ivar = ActiveSupport::Memoizable.memoized_ivar_for($1)
          instance_variable_set(ivar, {})
        end
      end
    end
  end
end

#unmemoize_all ⇒ Object 



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# File 'activesupport/lib/active_support/memoizable.rb', line 35

def unmemoize_all
  flush_cache ".*"
end