Example implemented from "The computer Language Benchmarks Game" - Thread-Ring

http://benchmarksgame.alioth.debian.org/

Complete description of the thread-ring : http://benchmarksgame.alioth.debian.org/u64q/threadring-description.html#threadring

Introduced classes

class ThreadRing

actors :: ThreadRing

One Actor, who will receive the token

Redefined classes

redef class Sys

actors :: thread_ring $ Sys

The main class of the program.

All class definitions

redef class Sys

actors :: thread_ring $ Sys

The main class of the program.
class ThreadRing

actors $ ThreadRing

One Actor, who will receive the token
package_diagram actors::thread_ring thread_ring actors actors actors::thread_ring->actors pthreads pthreads actors->pthreads ...pthreads ... ...pthreads->pthreads a_star-m a_star-m a_star-m->actors::thread_ring

Ancestors

module abstract_collection

core :: abstract_collection

Abstract collection classes and services.
module abstract_text

core :: abstract_text

Abstract class for manipulation of sequences of characters
module array

core :: array

This module introduces the standard array structure.
module bitset

core :: bitset

Services to handle BitSet
module bytes

core :: bytes

Services for byte streams and arrays
module circular_array

core :: circular_array

Efficient data structure to access both end of the sequence.
module codec_base

core :: codec_base

Base for codecs to use with streams
module codecs

core :: codecs

Group module for all codec-related manipulations
module collection

core :: collection

This module define several collection classes.
module concurrent_collections

pthreads :: concurrent_collections

Introduces thread-safe concurrent collections
module core

core :: core

Standard classes and methods used by default by Nit programs and libraries.
module environ

core :: environ

Access to the environment variables of the process
module error

core :: error

Standard error-management infrastructure.
module exec

core :: exec

Invocation and management of operating system sub-processes.
module extra

pthreads :: extra

Offers some POSIX threads services that are not available on all platforms
module file

core :: file

File manipulations (create, read, write, etc.)
module fixed_ints

core :: fixed_ints

Basic integers of fixed-precision
module fixed_ints_text

core :: fixed_ints_text

Text services to complement fixed_ints
module flat

core :: flat

All the array-based text representations
module gc

core :: gc

Access to the Nit internal garbage collection mechanism
module hash_collection

core :: hash_collection

Introduce HashMap and HashSet.
module iso8859_1

core :: iso8859_1

Codec for ISO8859-1 I/O
module kernel

core :: kernel

Most basic classes and methods.
module list

core :: list

This module handle double linked lists
module math

core :: math

Mathematical operations
module native

core :: native

Native structures for text and bytes
module numeric

core :: numeric

Advanced services for Numeric types
module protocol

core :: protocol

module pthreads

pthreads :: pthreads

Main POSIX threads support and intro the classes Thread, Mutex and Barrier
module queue

core :: queue

Queuing data structures and wrappers
module range

core :: range

Module for range of discrete objects.
module re

core :: re

Regular expression support for all services based on Pattern
module ropes

core :: ropes

Tree-based representation of a String.
module sorter

core :: sorter

This module contains classes used to compare things and sorts arrays.
module stream

core :: stream

Input and output streams of characters
module text

core :: text

All the classes and methods related to the manipulation of text entities
module time

core :: time

Management of time and dates
module union_find

core :: union_find

union–find algorithm using an efficient disjoint-set data structure
module utf8

core :: utf8

Codec for UTF-8 I/O

Parents

module actors

actors :: actors

Abstraction of the actors concepts

Children

module a_star-m

a_star-m

# Example implemented from "The computer Language Benchmarks Game" - Thread-Ring
# http://benchmarksgame.alioth.debian.org/
#
# Complete description of the thread-ring :
# http://benchmarksgame.alioth.debian.org/u64q/threadring-description.html#threadring
module thread_ring is example

import actors

# One Actor, who will receive the token
class ThreadRing
	actor

	# Identification of `self`
	var id: Int

	# The next Actor to which `self` send the token
	var next: ThreadRing is noinit

	# Receive a token, then send it to `next` unless its value is `0`
	fun send_token(message: Int) do
		if message == 0 then print id
		if message >= 1 then next.async.send_token(message - 1)
	end
end

redef class Sys
	# numbers of actors to create the ring
	var nb_actors = 503
end

var first = new ThreadRing(1)
var current = new ThreadRing(2)
first.next = current
for i in [3..nb_actors] do
	var t = new ThreadRing(i)
	current.next = t
	current = t
end
current.next = first
var n = if args.is_empty then 1000 else args[0].to_i
first.send_token(n)
lib/actors/examples/thread-ring/thread_ring.nit:15,1--56,19