Class: Concurrent::SafeTaskExecutor

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

Overview

A simple utility class that executes a callable and returns and array of three elements: success - indicating if the callable has been executed without errors value - filled by the callable result if it has been executed without errors, nil otherwise reason - the error risen by the callable if it has been executed with errors, nil otherwise

Instance Method Summary collapse

Constructor Details

#initialize(task) ⇒ SafeTaskExecutor

Returns a new instance of SafeTaskExecutor.



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# File 'lib/concurrent/safe_task_executor.rb', line 8

def initialize(task)
  @task = task
end

Instance Method Details

#execute ⇒ Array

Returns:



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# File 'lib/concurrent/safe_task_executor.rb', line 13

def execute
  success = false
  value = reason = nil

  begin
    value = @task.call
    success = true
  rescue => ex
    reason = ex
    success = false
  end

  [success, value, reason]
end