Class: Rack::MiniProfiler::MemcacheStore

Inherits:
AbstractStore show all
Defined in:
lib/mini_profiler/storage/memcache_store.rb

Constant Summary collapse

EXPIRES_IN_SECONDS = 
60 * 60 * 24
MAX_RETRIES = 
10

Instance Method Summary collapse

Methods inherited from AbstractStore

#diagnostics

Constructor Details

#initialize(args = nil) ⇒ MemcacheStore

Returns a new instance of MemcacheStore.



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# File 'lib/mini_profiler/storage/memcache_store.rb', line 8

def initialize(args = nil)
  require 'dalli' unless defined? Dalli
  args ||= {}
  @prefix             = args[:prefix]     || "MPMemcacheStore"
  @client             = args[:client]     || Dalli::Client.new
  @expires_in_seconds = args[:expires_in] || EXPIRES_IN_SECONDS
end

Instance Method Details

#get_unviewed_ids(user) ⇒ Object 



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# File 'lib/mini_profiler/storage/memcache_store.rb', line 45

def get_unviewed_ids(user)
  @client.get("#{@prefix}-#{user}-v") || []
end

#load(id) ⇒ Object 



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# File 'lib/mini_profiler/storage/memcache_store.rb', line 20

def load(id)
  raw = @client.get("#{@prefix}#{id}")
  Marshal::load(raw) if raw
end

#save(page_struct) ⇒ Object 



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# File 'lib/mini_profiler/storage/memcache_store.rb', line 16

def save(page_struct)
  @client.set("#{@prefix}#{page_struct[:id]}", Marshal::dump(page_struct), @expires_in_seconds)
end

#set_unviewed(user, id) ⇒ Object 



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# File 'lib/mini_profiler/storage/memcache_store.rb', line 25

def set_unviewed(user, id)
  @client.add("#{@prefix}-#{user}-v", [], @expires_in_seconds)
  MAX_RETRIES.times do
    break if @client.cas("#{@prefix}-#{user}-v", @expires_in_seconds) do |ids|
      ids << id unless ids.include?(id)
      ids
    end
  end
end

#set_viewed(user, id) ⇒ Object 



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# File 'lib/mini_profiler/storage/memcache_store.rb', line 35

def set_viewed(user, id)
  @client.add("#{@prefix}-#{user}-v", [], @expires_in_seconds)
  MAX_RETRIES.times do
    break if @client.cas("#{@prefix}-#{user}-v", @expires_in_seconds) do |ids|
      ids.delete id
      ids
    end
  end
end