Class: RCache::Cache

Inherits:
Object
  • Object
show all
Defined in:
lib/r_cache.rb

Overview

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Constant Summary collapse

@@redis = 
Redis.new

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#updater ⇒ Object

Returns the value of attribute updater.



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# File 'lib/r_cache.rb', line 37

def updater
  @updater
end

Instance Method Details

#delete(names) ⇒ Object 



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# File 'lib/r_cache.rb', line 71

def delete names
  @@redis.del *names
end

#expired?(expiry) ⇒ Boolean

s

Returns:

  • (Boolean) 


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# File 'lib/r_cache.rb', line 39

def expired? expiry # s
  Time.now.to_i >= expiry.to_i
end

#get(name, keys = nil) ⇒ Object 



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# File 'lib/r_cache.rb', line 48

def get name, keys=nil
  unless keys
    obj = @@redis.hgetall name
  else
    obj = @@redis.hmget name, *keys
  end

  puts 'about to update'
  obj = update(name) if obj.nil? || ( Config.keys[:ttl] && expired?(obj['expiry']) )
  # if nil or expired
  # refresh
  obj
end

#store(name, hash) ⇒ Object 



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# File 'lib/r_cache.rb', line 43

def store name, hash 
  add_expiry(hash) if Config.keys[:ttl]
  @@redis.hmset name, *hash.to_a 
end

#update(name) ⇒ Object 



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

def update name
  puts 'updating'
  delete [name]
  n_obj = @updater.call(name)
  store name, n_obj
  #binding.pry
  get name
end