Module: Journal

Defined in:
lib/journal.rb,
lib/journal/handler.rb,
lib/journal/version.rb,
lib/journal/rack/reloader.rb

Defined Under Namespace

Modules: Rack

Constant Summary collapse

VERSION = 
'0.0.7'
@@_ran_once = 
false
@@_redis_on = 
false

Class Method Summary collapse

Class Method Details

.last(key, _count = 1) ⇒ Object 



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# File 'lib/journal/handler.rb', line 6

def self.last(key, _count = 1)
  if redis.zcount(key, "-inf", "+inf") > 0
    return JournalEntry.new(key, redis.zrange(key, -1, -1).first) unless _count > 1
    return JournalEntry.from_array(key, redis.zrange(key, _count * -1, -1).reverse)
  end
  return Array.new
end

.load_and_set_settings! ⇒ Object 



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# File 'lib/journal.rb', line 22

def self.load_and_set_settings!
  Kernel.send(:remove_const, 'JOURNAL_HOST') if Kernel.const_defined?('JOURNAL_HOST')
  Kernel.const_set('JOURNAL_HOST', Journal.host)
  Kernel.send(:remove_const, 'JOURNAL_PORT') if Kernel.const_defined?('JOURNAL_PORT')
  Kernel.const_set('JOURNAL_PORT', Journal.port)
  Kernel.send(:remove_const, 'JOURNAL_EXPIRY') if Kernel.const_defined?('JOURNAL_EXPIRY')
  Kernel.const_set('JOURNAL_EXPIRY', Journal.expiry)
  Kernel.send(:remove_const, 'JOURNAL_PASSWORD') if Kernel.const_defined?('JOURNAL_PASSWORD')
  Kernel.const_set('JOURNAL_PASSWORD', Journal.password)
end

.log(key, data, score) ⇒ Object 



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# File 'lib/journal/handler.rb', line 2

def self.log(key, data, score)
  return redis.zadd(key, score, "#{data}@#{score}")
end

.purge(key, timestamp) ⇒ Object 



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# File 'lib/journal/handler.rb', line 14

def self.purge(key, timestamp)
  return @@redis.zremrangebyscore(key, "-inf", "(#{timestamp}")
end

.redis ⇒ Object 



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# File 'lib/journal.rb', line 33

def self.redis
  return @@redis if @@_redis_on
  @@redis = Redis.new(:host => Journal.host, :port => Journal.port || 6379, :password => Journal.password)
end

.setup {|_self| ... } ⇒ Object

Yields:

  • (_self)

Yield Parameters:

  • _self (Journal) —

    the object that the method was called on



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# File 'lib/journal.rb', line 17

def self.setup
  yield self if @@_ran_once == false
  @@_ran_once = true
end