Class: TaskManager

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

Instance Method Summary collapse

Constructor Details

#initialize(output) ⇒ TaskManager

Returns a new instance of TaskManager.



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# File 'lib/task_manager.rb', line 3

def initialize(output)
  @output = output
  @tasks = []
  @fail_index = -1
end

Instance Method Details

#add(task) ⇒ Object 



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# File 'lib/task_manager.rb', line 9

def add(task)
  @tasks << task
end

#build_exception_result(ex) ⇒ Object 



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# File 'lib/task_manager.rb', line 70

def build_exception_result(ex)
  return {
    :state => :error,
    :title => 'Task',
    :summary => 'Exception',
    :first => ex.message,
    :detail => ex.backtrace
  }
end

#output_exception(ex) ⇒ Object 



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# File 'lib/task_manager.rb', line 80

def output_exception(ex)
  @output.add_result build_exception_result ex
end

#run(files) ⇒ Object 



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# File 'lib/task_manager.rb', line 13

def run(files)
  @num_tasks_run = 0
  
  @tasks.each_index do |index|
    task = @tasks[index]

    # Don't run if this task is after the last failed task
    if @fail_index >= 0 && @fail_index < index
      @output.add_result(@fail_result)
      break
    end
    
    result = nil
    begin
      result = run_task(files, task)        
    rescue Exception => ex
      result = build_exception_result ex
      @output.add_result result
    end

    next if result.nil?

    if [:error, :failure].include? result[:state]
      # Remember this task as the one that failed
      # And end this current run of tasks
      @fail_index = index
      @fail_result = result
      
      @fail_result[:state] = :error
      @fail_result[:title] = 'Fix ' + @fail_result[:title] + ' to run other tasks'
      break
    elsif result[:state] == :success
      # reset fail index
      @fail_index = -1 if index == @fail_index
    end
    
  end
  
end

#run_task(files, task) ⇒ Object 



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# File 'lib/task_manager.rb', line 53

def run_task(files, task)
  result = task.run(files)
  return result if result.nil?

  task_run
  
  @output.add_result(result) 
  return result
end

#task_run ⇒ Object 



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# File 'lib/task_manager.rb', line 63

def task_run
  @num_tasks_run += 1
  if (@num_tasks_run == 1) 
    @output.start_run
  end  
end