class BluntCache

data() click to toggle source

# File lib/blunt-cache.rb, line 44
def self.data
  @data||= {}
end

expire_default() click to toggle source

# File lib/blunt-cache.rb, line 52
def self.expire_default
  @expire_default||=60
end

fetch(key, options = {}, &block) click to toggle source

Get key from cache. Executes block, stores it's result and returns it if not set or expired.

def self.fetch(key, expire: nil, &block)

# File lib/blunt-cache.rb, line 27
def self.fetch(key, options = {}, &block)
  expire = options[:expire]
  if self.key?(key)
    self.data[key]
  else
    result = block.call
    self.set key, result, :expire => expire
    result
  end
end

flush() click to toggle source

Clear cache

# File lib/blunt-cache.rb, line 39
def self.flush
  @data = {}
  @timestamp = {}
end

get(key) click to toggle source

Get key from cache. Returns nil if not set or expired.

# File lib/blunt-cache.rb, line 15
def self.get(key)
  self.timestamp[key].is_a?(Time) && Time.now < self.timestamp[key] ? self.data[key] : nil
end

key?(key) click to toggle source

Checks if key present in store. Returns true if key exists (even if value is false or nil) and false if key doesn't exist or expired.

# File lib/blunt-cache.rb, line 21
def self.key?(key)
  self.data.key?(key) && self.timestamp[key].is_a?(Time) && Time.now < self.timestamp[key]
end

set(key, data, options = {}) click to toggle source

Store data in cache by key for :expire seconds (default is 60 sec)

def self.set(key, data, expire: nil)

# File lib/blunt-cache.rb, line 7
def self.set(key, data, options = {})
  expire = options[:expire]
  self.timestamp[key] = Time.now + (expire || self.expire_default)
  self.data[key] = data
  data
end

timestamp() click to toggle source

# File lib/blunt-cache.rb, line 48
def self.timestamp
  @timestamp||= {}
end

Constants

Public Class Methods