Class: Attr::Gather::Workflow::TaskGraph Private

Inherits:
Object
  • Object
show all
Includes:
TSort
Defined in:
lib/attr/gather/workflow/task_graph.rb

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Defined Under Namespace

Classes: InvalidTaskDepedencyError, UnfinishableError

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(tasks: []) ⇒ TaskGraph

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of TaskGraph.



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# File 'lib/attr/gather/workflow/task_graph.rb', line 19

def initialize(tasks: [])
  @tasks_hash = {}
  tasks.each { |t| self << t }
end

Instance Attribute Details

#tasks_hash ⇒ Object (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/attr/gather/workflow/task_graph.rb', line 17

def tasks_hash
  @tasks_hash
end

Instance Method Details

#<<(hash) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/attr/gather/workflow/task_graph.rb', line 24

def <<(hash)
  name, depends_on = hash.values_at :name, :depends_on
  task = build_task(name, depends_on)
  validate_for_insert!(task)

  registered_tasks.each do |t|
    tasks_hash[t] << task if t.depends_on?(task)
    tasks_hash[t].uniq!
  end

  tasks_hash[task] = all_dependencies_for_task(task)
end

#each_batch ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/attr/gather/workflow/task_graph.rb', line 43

def each_batch
  return enum_for(:each_batch) unless block_given?

  to_execute = tsort

  until to_execute.empty?
    batch = to_execute.take_while do |task|
      task.fullfilled_given_remaining_tasks?(to_execute)
    end

    to_execute -= batch

    validate_finishable!(batch, to_execute)

    yield batch
  end
end

#runnable_tasks ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/attr/gather/workflow/task_graph.rb', line 37

def runnable_tasks
  tsort.take_while do |task|
    task.fullfilled_given_remaining_tasks?(registered_tasks)
  end
end

#to_dot(preview: false) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/attr/gather/workflow/task_graph.rb', line 67

def to_dot(preview: false)
  serializer = DotSerializer.new(self)
  preview ? serializer.preview : serializer.to_dot
end

#to_h ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/attr/gather/workflow/task_graph.rb', line 63

def to_h
  tasks_hash
end