Class: NiceCache

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/nice_cache.rb,
lib/nice_cache/tag.rb,
lib/nice_cache/version.rb,
lib/nice_cache/fragment.rb

Defined Under Namespace

Classes: Fragment, Tag

Constant Summary collapse

COMMANDS_WITH_TAGS = 
[
  :set,
  :setnx,
  :hmset,
  :hsetnx,
  :lset,
  :sadd,
  :zadd,
  # :mset,
  # :msetnx,
  # :zinterstore,
  # :zunionstore
]
VERSION = 
"0.2.0"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ NiceCache

Returns a new instance of NiceCache.



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

def initialize(options = {})
  @redis = options[:redis] || Redis.current
  @tag_store = Redis::Namespace.new(:NiceCache, redis: redis)
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args, &block) ⇒ Object 



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

def method_missing(method, *args, &block)
  return super unless redis.respond_to?(method)

  self.class.send(:define_method, method, ->(*arguments) {
    redis.send(method, *arguments, &block)
  })

  self.send(method, *args, &block)
end

Instance Attribute Details

#redis ⇒ Object

Returns the value of attribute redis.



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# File 'lib/nice_cache.rb', line 8

def redis
  @redis
end

#tag_store ⇒ Object

Returns the value of attribute tag_store.



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# File 'lib/nice_cache.rb', line 8

def tag_store
  @tag_store
end

Instance Method Details

#all_fragments ⇒ Object 



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# File 'lib/nice_cache.rb', line 79

def all_fragments
  tag_store.smembers Fragment.all
end

#convert_tags(arg) ⇒ Object 



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# File 'lib/nice_cache.rb', line 24

def convert_tags(arg)
  arg.respond_to?(:key) ? arg[:tags] : arg
end

#del(fragment_name) ⇒ Object 



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# File 'lib/nice_cache.rb', line 40

def del(fragment_name)
  Fragment.find(self, fragment_name).delete
end

#destroy(key) ⇒ Object 



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# File 'lib/nice_cache.rb', line 44

def destroy(key)
  redis.del key
end

#flush_index! ⇒ Object 



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# File 'lib/nice_cache.rb', line 73

def flush_index!
  #TODO: Benchmark
  # all_fragments.map { |fragment| fragment.delete }
  tag_store.keys.map { |key| tag_store.del key }
end

#respond_to_missing?(method_name, include_private = false) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nice_cache.rb', line 63

def respond_to_missing?(method_name, include_private = false)
  redis.respond_to?(method_name, include_private) || super
end

#sweep_tags(*tag_names) ⇒ Object 



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# File 'lib/nice_cache.rb', line 67

def sweep_tags(*tag_names)
  Tag.find(self, tag_names).map do |tag|
    tag.sweep
  end
end