Module: Remnant::Discover::ClassMethods

Included in:
Remnant::Discover
Defined in:
lib/remnant/discover.rb

Instance Method Summary collapse

Instance Method Details

#_inject(key, klass, method, instance) ⇒ Object 



9
10
11
12
13
14
15
16
17
18
19
20
21
 
# File 'lib/remnant/discover.rb', line 9

def _inject(key, klass, method, instance)
  klass.class_eval <<-EOL, __FILE__, __LINE__
    #{"class << self" unless instance}
    def #{method}_with_remnant(*args, &block)
      ::Remnant::Discover.measure(#{key.inspect}) do
        #{method}_without_remnant(*args, &block)
      end
    end

    alias_method_chain :#{method}, :remnant
    #{"end" unless instance}
  EOL
end

#find(key, klass, method, instance = true) ⇒ Object 



4
5
6
7
 
# File 'lib/remnant/discover.rb', line 4

def find(key, klass, method, instance = true)
  rediscover(key, klass, method, instance) if ActiveSupport::Dependencies.will_unload?(klass)
  _inject(key, klass, method, instance)
end

#find_with(klass, &block) ⇒ Object 



23
24
25
26
 
# File 'lib/remnant/discover.rb', line 23

def find_with(klass, &block)
  rediscover(klass, block) if ActiveSupport::Dependencies.will_unload?(klass)
  block.call
end

#measure(key, &block) ⇒ Object 



28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
# File 'lib/remnant/discover.rb', line 28

def measure(key, &block)
  if Remnant::Discover.running.include?(key)
    yield
  else
    result = nil
    Remnant::Discover.running << key
    begin
      Remnant::Discover.results[key] += Benchmark.ms { result = yield }.to_i
    rescue
      raise
    ensure
      Remnant::Discover.running.delete(key)
    end
    result
  end
end

#rediscover(*args) ⇒ Object 



57
58
59
 
# File 'lib/remnant/discover.rb', line 57

def rediscover(*args)
  remnants_to_rediscover << args unless remnants_to_rediscover.include?(args)
end

#rediscover! ⇒ Object 



61
62
63
64
65
66
67
68
69
70
 
# File 'lib/remnant/discover.rb', line 61

def rediscover!
  remnants_to_rediscover.map do |remnant|
    if remnant.size == 4
      key, klass_name, method, instance = remnant
      _inject(key, klass_name.constantize, method, instance)
    else
      remant.first.call
    end
  end
end

#remnants_to_rediscover ⇒ Object 



53
54
55
 
# File 'lib/remnant/discover.rb', line 53

def remnants_to_rediscover
  @remnants_to_rediscover ||= []
end

#results ⇒ Object 



45
46
47
 
# File 'lib/remnant/discover.rb', line 45

def results
  Thread.current[:result] ||= Hash.new(0)
end

#running ⇒ Object 



49
50
51
 
# File 'lib/remnant/discover.rb', line 49

def running
  Thread.current[:running] ||= []
end