Module: MergingQueue::QueuedTask::ClassMethods

Defined in:
lib/merging-queue/queued_task.rb

Instance Method Summary collapse

Instance Method Details

#accumulate_changes(search_result) ⇒ Object

—- add up all actors, act_objects and act_targets in the search results.

it does not matter what is where



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# File 'lib/merging-queue/queued_task.rb', line 46

def accumulate_changes(search_result)
  act_targets    = []
  act_target_ids = []
  act_objects    = []
  act_object_ids = []

  _actor = search_result.first.actor

  search_result.each do |result|
    result.update_attributes(:state => 'pending')

    act_object = result.act_object
    act_target = result.act_target

    if act_object != nil && !act_object_ids.include?(act_object.id)
      act_objects    << act_object
      act_object_ids << act_object.id

    end

    if act_target != nil && !act_target_ids.include?(act_target.id)
      act_targets    << act_target
      act_target_ids << act_target.id

    end

  end

  {:actor => _actor, :act_objects => act_objects, :act_object_ids => act_object_ids,
   :act_targets => act_targets, :act_target_ids => act_target_ids}
end

#poll_for_changes ⇒ Object 



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# File 'lib/merging-queue/queued_task.rb', line 18

def poll_for_changes()
  #if block_given?

  ::QueuedTask.where('state = ? AND publish_on <= ?', 'initial', Time.now).distinct(:actor_id).each do |actor_id|

    ::QueuedTask.where('state = ? AND actor_id = ? AND publish_on <= ?', 'initial', actor_id, Time.now).select(:verb).uniq.each do |verb|

      changes_for_actor =  ::QueuedTask.where(:actor_id => actor_id, :state => 'initial', :verb => verb['verb'].to_s)

      begin
        yield  verb, accumulate_changes(changes_for_actor)

        changes_for_actor.destroy_all

      rescue ActiveRecord::RecordNotFound
      end


    end


  end
end

#publish(verb, cur_publish_on, data) ⇒ MergingQueue::QueuedTask2

Publishes an queued_task using an queued_task name and data

Parameters:

  • verb (String) —

    The verb of the queued_task

  • data (Hash) —

    The data to initialize the queued_task with.

Returns:

  • (MergingQueue::QueuedTask2) —

    An QueuedTask instance with data



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# File 'lib/merging-queue/queued_task.rb', line 102

def publish(verb, cur_publish_on, data)
  new.publish({:verb => verb, :publish_on => cur_publish_on}.merge(data))
end

#queued_task(name, &block) ⇒ Definition

Defines a new QueuedTask2 type and registers a definition

Examples:

Define a new queued_task

queued_task(:enquiry) do
  actor :user, :cache => [:full_name]
  act_object :enquiry, :cache => [:subject]
  act_target :listing, :cache => [:title]
end

Parameters:

  • name (String) —

    The name of the queued_task

Returns:

  • (Definition) —

    Returns the registered definition



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# File 'lib/merging-queue/queued_task.rb', line 90

def queued_task(name, &block)
  definition = MergingQueue::DefinitionDSL.new(name)
  definition.instance_eval(&block)
  MergingQueue::Definition.register(definition)
end