Module: ActiveRecord::Caching

Defined in:
lib/cachear.rb

Overview

ActiveRecord::MemoryCache.logger = ActiveRecord::Base.logger ActiveRecord::Base.cacher = ActiveRecord::MemoryCache.instance

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.append_features(base) ⇒ Object 



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# File 'lib/cachear.rb', line 17

def self.append_features(base)    
   super     
   base.class_eval do     
     cattr_accessor :cacher              
     class << self
       alias_method :ar_find_by_sql, :find_by_sql
       alias_method :ar_count_by_sql, :count_by_sql
       undef :find_by_sql, :count_by_sql
       
       def find_by_sql(sql)
         cacher.cache_query( self, sanitize_sql(sql) ) do |s|
           ar_find_by_sql(s)
         end
       end  
       
       def count_by_sql(sql)
          cacher.cache_query( self, sanitize_sql(sql) ) do |s|
            ar_count_by_sql(s)
          end
       end
       
       def ===(inst)
         i = 0
         while( (kl = inst.class.ancestors[i]) != Object )
          return true if self.to_s == kl.to_s
          i += 1
         end
         super
       end
                         
     end            
     
   end
   
end

Instance Method Details

#after_save ⇒ Object 



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# File 'lib/cachear.rb', line 62

def after_save
  self.class.cacher.expire(self.class)
end

#is_a?(klass) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cachear.rb', line 58

def is_a?(klass)
  kind_of?(klass)
end

#kind_of?(klass) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cachear.rb', line 53

def kind_of?(klass)
   return true if klass === self
   super
end