Class: Periodically::Job

Inherits:
Object
  • Object
show all
Defined in:
lib/periodically/job.rb

Instance Method Summary collapse

Constructor Details

#initialize(klass, method, opts) ⇒ Job

Returns a new instance of Job.



7
8
9
10
11
12
13
 
# File 'lib/periodically/job.rb', line 7

def initialize(klass, method, opts)
  @klass = klass
  @method = method
  @class_key = klass.name
  @job_key = "#{@class_key}/#{method.to_s}"
  @opts = opts
end

Instance Method Details

#execute_instance(instance) ⇒ Object 



24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
 
# File 'lib/periodically/job.rb', line 24

def execute_instance(instance)
  return_value =
    begin
      instance.send(@method)
    rescue => e
      Periodically::ErrorHandler.handle_error(e, instance)
      new_error_count = Periodically::ErrorCounts.increment(instance_key(instance))
      Periodically::Locks.lock(instance_key(instance), DEFAULT_ERROR_DELAY.call(new_error_count))
      Periodically::ErrorMessages.store(instance_key(instance), e)
      return
    end

  if return_value.is_a?(Periodically::Defer::DeferInstance)
    Periodically::Locks.lock(instance_key(instance), return_value.duration)
  elsif return_value.is_a?(Periodically::Defer::DeferJob)
    Periodically::Locks.lock(@job_key, return_value.duration)
  elsif return_value.is_a?(Periodically::Defer::DeferClass)
    Periodically::Locks.lock(@class_key, return_value.duration)
  end

  Periodically::ErrorCounts.reset(instance_key(instance))
end

#poll_next_instance ⇒ Object 



15
16
17
18
19
20
21
22
 
# File 'lib/periodically/job.rb', line 15

def poll_next_instance
  return if Periodically::Locks.locked?(@job_key, @class_key)

  where = @opts[:on].call()
  where.to_a.find do |obj|
    !Periodically::Locks.locked?(instance_key(obj))
  end
end