Class: Juno::Adapters::Redis

Inherits:
Base
  • Object
show all
Defined in:
lib/juno/adapters/redis.rb

Overview

Redis backend

Instance Method Summary collapse

Methods inherited from Base

#[], #[]=, #close, #fetch

Constructor Details

#initialize(options = {}) ⇒ Redis

Constructor



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# File 'lib/juno/adapters/redis.rb', line 11

def initialize(options = {})
  @redis = ::Redis.new(options)
end

Instance Method Details

#clear(options = {}) ⇒ Object 



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# File 'lib/juno/adapters/redis.rb', line 43

def clear(options = {})
  @redis.flushdb
  self
end

#delete(key, options = {}) ⇒ Object 



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# File 'lib/juno/adapters/redis.rb', line 27

def delete(key, options = {})
  if value = load(key, options)
    @redis.del(key)
    value
  end
end

#key?(key, options = {}) ⇒ Boolean 



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# File 'lib/juno/adapters/redis.rb', line 15

def key?(key, options = {})
  @redis.exists(key)
end

#load(key, options = {}) ⇒ Object 



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# File 'lib/juno/adapters/redis.rb', line 19

def load(key, options = {})
  value = @redis.get(key)
  if value && (expires = options[:expires])
    @redis.expire(key, expires)
  end
  value
end

#store(key, value, options = {}) ⇒ Object 



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# File 'lib/juno/adapters/redis.rb', line 34

def store(key, value, options = {})
  if expires = options[:expires]
    @redis.setex(key, expires, value)
  else
    @redis.set(key, value)
  end
  value
end