class IOPromise::Deferred::DeferredPromise

Public Class Methods

new(delay: nil, &block) click to toggle source
Calls superclass method
# File lib/iopromise/deferred/promise.rb, line 8
def initialize(delay: nil, &block)
  super()
    
  @block = block
  
  unless delay.nil?
    @defer_until = Process.clock_gettime(Process::CLOCK_MONOTONIC) + delay
  end
    
  ::IOPromise::ExecutorContext.current.register(self) unless @block.nil?
end

Public Instance Methods

execute_pool() click to toggle source
# File lib/iopromise/deferred/promise.rb, line 28
def execute_pool
  DeferredExecutorPool.for(Thread.current)
end
run_deferred() click to toggle source
# File lib/iopromise/deferred/promise.rb, line 32
def run_deferred
  return if @block.nil? || !pending?
  begin
    fulfill(@block.call)
  rescue => exception
    reject(exception)
  end
end
time_until_execution() click to toggle source
# File lib/iopromise/deferred/promise.rb, line 41
def time_until_execution
  return 0 unless defined?(@defer_until)

  now = Process.clock_gettime(Process::CLOCK_MONOTONIC)
  return 0 if now > @defer_until

  @defer_until - now
end
wait() click to toggle source
Calls superclass method IOPromise::Base#wait
# File lib/iopromise/deferred/promise.rb, line 20
def wait
  if @block.nil?
    super
  else
    ::IOPromise::ExecutorContext.current.wait_for_all_data(end_when_complete: self)
  end
end