Phluxorでアクターモデルを 理解・体験しよう / toolkit-for-flexible-actor-models-in-php-phluxor

A toolkit for flexible actor models in PHP, empowering the PHP ecosystem.
https://github.com/ytake/phluxor

Transcript

1. PHP / PhluxorͰ ΞΫλʔϞσϧΛ ཧղɾମݧ͠Α͏ ୈ165ճ PHPษڧձˏ౦ژ ytake
2. Pro fi le • ஛ᖒ ༗و a.k.a ytake • ઍגࣜձࣾ CTO / ٕज़ސ໰ ωοτϓϩςΫγϣϯζ΄͔ • Go / Scala • ΞΫλʔϞσϧେ޷͖
3. PHPͰ΋ΞΫλʔϞσϧ͕ ಋೖͰ͖Δʂ
4. ؆୯ʹಋೖ͢ΔͨΊͷπʔϧΩοτ
5. PhluxorʢϑϥΫαʔʣެ։ https://github.com/ytake/phluxor
6. Phluxor • ScalaͳͲͰ͓ͳ͡ΈͷAkka / Pekko • Go΍.NETͰ࢖ΘΕ͍ͯΔ Proto.Actor • ͜ΕΒͱಉ֓͡೦ʹج͖ͮ PHPͰΞΫλʔϞσϧΛ࣮ݱ͢ΔͨΊͷ΋ͷ͕Phluxor • ΫϥελɾҰ෦ϧʔλʔػೳ͸ݱࡏ࣮૷தʢ਺ϲ݄Ҏ಺ʹఏڙʣ
7. WebΞϓϦέʔγϣϯ ϑϨʔϜϫʔΫͰ͸͋Γ·ͤΜ ϓϩάϥϛϯάΞϓϩʔν΍ ΞϧΰϦζϜతͳ΋ͷ
8. Phluxor͕αϙʔτ͍ͯ͠Δ΋ͷ • ΞΫλʔͷجຊཁૉશൠ • EventStream • Supervision • Future (Async/AwaitΈ͍ͨͳ΋ͷ) • Behavior • Persistence • Router • DeadLetter • Middleware • Reentrancy
9. Proto.Actorͱಉ౳ͷػೳ
10. ஫ҙ • Swoole / OpenSwoole͕ಋೖ͞Ε͍ͯͳ͍ͱಈ͖·ͤΜ • coroutineΛແޮʹͨ͠؀ڥͰ͸ಈ͖·ͤΜ • Laravel OctaneͰ͸ಈ࡞͠·ͤΜʢcoroutineແޮͷͨΊʣ • MezzioͳͲ͸ಛʹۤ࿑ͤͣ݁߹Ͱ͖·͢
11. $ composer require phluxor/phluxor
12. ΞΫλʔϞσϧͱ͸ʁ
13. ॳݟͰ࢖͏ʹ͸ ͪΐͬͱ೉͍͠
14. ΞΫλʔϞσϧʹ͍ͭͯཧղ͢ΔͨΊʹ
15. ͪΐͬͱݹ͍ຊͰ͕͢΄΅ಉ͡Ͱ͢ ಡΈସ͑ͯशಘͰ͖·͢
16. Erlang/OTPͳͲ΋ࢀߟʹ
17. *͜Ε͔Β࿩͢಺༰͸PHPͰ͢
18. Ξϯϥʔχϯά͍͖ͯ͠·͠ΐ͏
19. ΞΫλʔϞσϧ • ฒߦܭࢉͷ਺ֶཧ࿦Ϟσϧ • શͯͷ΋ͷ͸ΞΫλʔͰɺ ֤ΞΫλʔ͸ϝοηʔδΛૹ৴͢Δ͜ͱͰͷΈ௨৴͠ɺ ࣗݾ؅ཧͷঢ়ଶΛ࣋ͭ • ஞ࣍ੑ͕લఏͰ͸ͳ͘ɺ͢΂͕ͯಠཱͯ͠ฒߦʹ
20. ΞΫλʔϞσϧ࣮ݱͷͨΊʹ • ઃఆ΍ϛυϧ΢ΣΞ͸࣋ͨͣɺΞΫλʔ͝ͱʹMailboxΛ࣋ͭ ʢϝοηʔδΩϡʔʹࣅͯΔʣ • ฒߦͰඇಉظ ϝοηʔδ͕དྷͳ͚Ε͹Կ΋ͤͣɺԿઍݸ΋࡞੒Մೳ • ϝοηʔδ͸γϯϓϧͳ΋ͷͰΠϛϡʔλϒϧʢมߋෆՄʣ
22. ΞΫλʔϞσϧ͕΋ͨΒ͢΋ͷ • ϩʔΧϧʹ͋ͬͯ΋ผͳαʔόʹ͋ͬͯ΋ҙࣝͤͣʹॲཧՄೳ ʢҐஔಁաੑαϙʔτʣ • ҰͭͷΞΫλʔ͕ࣦഊͯ͠΋ɺଞͷΞΫλʔʹ͸Өڹͳ͠ • ෛՙ෼ࢄ͕༰қͰɺಠཱ͍ͯ͠Δ͔Βͦ͜ഉଞ੍ޚ͸ؾʹͤͣʹ • return͸͋Γ·ͤΜ
23. ҰൠతͳγϣοϐϯάγεςϜྫ • ΦϯϥΠϯγϣοϐϯάΧʔτΛ؅ཧ͢ΔΫϥεͳͲ • ΫϥεϝιουΛ௨ͯ͡ΧʔτʹΞΠςϜ௥Ճɾ࡟আ • ΫϥεͷΠϯελϯε͸ෳ਺ͷ෦෼Ͱڞ༗͞Εɺ ঢ়ଶͷҰ؏ੑΛอͭͨΊʹಉظʢDBͳͲʣ
24. ΞΫλʔΛ࢖ͬͨγϣοϐϯάγεςϜྫ • ΦϯϥΠϯγϣοϐϯάΧʔτΛ؅ཧ͢ΔΞΫλʔ • ΞΫλʔʹΞΠςϜͷ௥Ճ΍࡟আΛࢦࣔ͢ΔඇಉظϝοηʔδΛૹ৴ • ଞͷΞΫλʔͱͷঢ়ଶڞ༗͸ߦΘͣɺ ͢΂ͯͷঢ়ଶมߋ͸ϝοηʔδʹΑͬͯ؅ཧ
25. let it crash Approach
26. ͱ͸͍͑೉͍͠ • ୯७ʹΫϥογϡͤͯ͞͠·͑͹Α͍ɺͱ͍Θ͚Ͱ͸ͳ͍ • ౸ୡ͠ͳ͔ͬͨϝοηʔδͷѻ͍͸ʁ • ૹ৴ݩ΍ૹ৴ઌΛ஌͍ͬͯͳ͍ͱ͍͚ͳ͍͜ͱ΋͋Δ ʢಠཱ͍ͯͯ͠΋ϝοηʔδपลʹґଘʣ
27. ιϑτ΢ΣΞΞʔΩςΫνϟ ͱ͍͏ΑΓ΋ ৘ใ఻ୡઃܭ
28. ΑΓཧղ͢ΔͨΊʹ
30. Phluxor ΞΫλʔͷجຊʢҰ෦ൈਮʣ
32. ActorRef • ΞΫλʔͷࢀরΛ୲౰ • ΞΫλʔͷҐஔ৘ใʢΞυϨεʣͷΈΛ࣋ͭ΋ͷ ૹ৴ݩɾૹ৴ઌͱͯ͠ར༻ • ΞΫλʔͷ಺෦Λૢ࡞Ͱ͖Δ΋ͷͰ͸͋Γ·ͤΜ ʢͦΜͳػೳ͸ΞΫλʔʹ͋Γ·ͤΜʣ
33. Children • ͢΂ͯͷΞΫλʔ͸ࢠΛੜ੒͢Δ͜ͱ͕Ͱ͖ʢࢠΞΫλʔʣɺ Ϋϥογϡ͠΍͍͢λεΫͳͲΛґཔ͢Δ͜ͱ͕Մೳ • spawnͰੜ੒͠ɺstopͰఀࢭ • ͢΂ͯඇಉظͰಠཱ͠ɺͳʹͱ΋ڞ༗͠ͳ͍ΞΫλʔΛੜ੒
34. ֊૚ߏ଄Λ΋ͭ
35. Supervision • ࢠΞΫλʔͰԿ͔͠ΒΫϥογϡ͕ى͖ͨ৔߹ʹඋ͑ɺ ઓུΛࢦఆ͢Δ͜ͱ͕Մೳ • ࢠΞΫλʔͷࣗಈ࠶ىಈ΍ɺճ਺্ݶΛઃ͚ͨ࠶ىಈɺ ִ࣌ؒؒΛঃʑʹ޿͛ͯ࠶ىಈͤ͞ΔͳͲ͍͔ͭ͘༻ҙ͍ͯ͠·͢
38. Phluxor Ͳ͏΍ͬͯಈ͍͍ͯΔͷʁ Ұ෦ൈਮ
39. ProcessRegistry • ΞΫλʔγεςϜΛੜ੒͢Δͱ࡞੒͞ΕΔϨδετϦ • ΞΫλʔ͕ੜ੒͞ΕΔͱɺSwooleΛ࢖ͬͯഉଞ੍ޚͰ ΞΫλʔ৘ใΛอ؅ʢΞυϨεͳͲͷ؅ཧʣ
40. Actor • ੜ੒͞ΕͨΞΫλʔ͸ίϯςΩετʢ৭Μͳ৘ใʣΛ࣋ͭ • ੜ੒࣌ʹΞΫλʔ͝ͱʹMailbox͕ੜ੒͞ΕɺϨδετϦʹอ؅ • ϝοηʔδ͕౸ୡ͢ΔͱDispatcher͕ΞΫλʔʹϓογϡ(coroutine) • ΞΫλʔݸผʹSwooleͷAtomicͰ੍ޚ͞Ε͍ͯ·͢
41. Supervision / Strategy • ಺෦ΠϕϯτͷWatchΛൃߦͯ͠؂ࢹͷؔ܎ੑΛ࣋ͭ • Ϋϥογϡ͢ΔͱStrategyʹج͍ͮͨઓུͰ෮چΛࢼΈΔ SwooleͷTimerͳͲΛར༻ • ϥΠϑαΠΫϧؔ࿈Ͱ͸ ಺෦ϝοηʔδͷStarted΍TerminatedɺRecoveringͳͲ͕͋Γ
42. Phluxor αϯϓϧΛݟͯΈΑ͏ https://github.com/ytake/phluxor- http-application-samples
43. BoxO ff i ce • ֤छνέοτΛऔΓѻ͏ • ͢΂ͯͷґཔΛड͚࣋ͭΞΫλʔ • ΦʔέετϨʔλʔ
44. TicketSeller • ΞʔςΟετɾΠϕϯτຖʹνέοτΛ؅ཧ͢ΔΞΫλʔ • Spawn࣌ʹࣝผՄೳͳ໊લΛ༩͑Δ͜ͱͰɺ Ґஔ͕͸͖ͬΓΘ͔Δಠཱͨ͠ΞΫλʔʹ • ୭ͷ͍ͭͷΠϕϯτ͔ɺ͢΂ͯฒߦͰಠཱͯ͠؅ཧ
46. #PY0 ff i DFΞΫλʔ 5JDLFU4FMMFSΞΫλʔ YYΞΫλʔ
47. readonly class BootAppActor { public function __construct( private ContainerInterface $container ) { } public function __invoke(WorkerStartEvent $event): void { $system = ActorSystem::create(); $spawned = $system->root()->spawnNamed( Props::fromProducer(fn() => new BoxOffice()), AppActor::NAME ); if ($this->container instanceof ServiceManager) { $this->container->setService(AppActor::class, new AppActor($system->root(), $spawned->getRef())); return; } throw new RuntimeException('Container is not a ServiceManager'); } }
48. readonly class BootAppActor { public function __construct( private ContainerInterface $container ) { } public function __invoke(WorkerStartEvent $event): void { $system = ActorSystem::create(); $spawned = $system->root()->spawnNamed( Props::fromProducer(fn() => new BoxOffice()), AppActor::NAME ); if ($this->container instanceof ServiceManager) { $this->container->setService(AppActor::class, new AppActor($system->root(), $spawned->getRef())); return; } throw new RuntimeException('Container is not a ServiceManager'); } } NF[[JPTXPPMFΛτϦΨʔʹ
    ΞΫλʔγεςϜىಈ ϦΫΤετͷͨͼʹΞΫλʔγεςϜΛ
    ىಈ͢Δͱɺ
    ߴίετͰঢ়ଶҡ͕࣋Ͱ͖ͳ͍ͨΊ
    
49. readonly class BootAppActor { public function __construct( private ContainerInterface $container ) { } public function __invoke(WorkerStartEvent $event): void { $system = ActorSystem::create(); $spawned = $system->root()->spawnNamed( Props::fromProducer(fn() => new BoxOffice()), AppActor::NAME ); if ($this->container instanceof ServiceManager) { $this->container->setService(AppActor::class, new AppActor($system->root(), $spawned->getRef())); return; } throw new RuntimeException('Container is not a ServiceManager'); } } SPPU͸ΞΫλʔγεςϜτοϓϨϕϧ
    ઃܭʹΑͬͯ͸
    τοϓϨϕϧΞΫλʔΛෳ਺࡞ͬͯ΋0,
50. readonly class BootAppActor { public function __construct( private ContainerInterface $container ) { } public function __invoke(WorkerStartEvent $event): void { $system = ActorSystem::create(); $spawned = $system->root()->spawnNamed( Props::fromProducer(fn() => new BoxOffice()), AppActor::NAME ); if ($this->container instanceof ServiceManager) { $this->container->setService(AppActor::class, new AppActor($system->root(), $spawned->getRef())); return; } throw new RuntimeException('Container is not a ServiceManager'); } } ΞΫλʔੜ੒࣌ͷઃఆ
    ʢͳʹ΋ͳ͍ͱ͖͸ͨͩͷΞΫλʔʣ
51. readonly class BootAppActor { public function __construct( private ContainerInterface $container ) { } public function __invoke(WorkerStartEvent $event): void { $system = ActorSystem::create(); $spawned = $system->root()->spawnNamed( Props::fromProducer(fn() => new BoxOffice()), AppActor::NAME ); if ($this->container instanceof ServiceManager) { $this->container->setService(AppActor::class, new AppActor($system->root(), $spawned->getRef())); return; } throw new RuntimeException('Container is not a ServiceManager'); } } ΞΫλʔੜ੒࣌ʹ໊લΛ͚ͭΔ
    4QBXO/BNFE
52. readonly class BootAppActor { public function __construct( private ContainerInterface $container ) { } public function __invoke(WorkerStartEvent $event): void { $system = ActorSystem::create(); $spawned = $system->root()->spawnNamed( Props::fromProducer(fn() => new BoxOffice()), AppActor::NAME ); if ($this->container instanceof ServiceManager) { $this->container->setService(AppActor::class, new AppActor($system->root(), $spawned->getRef())); return; } throw new RuntimeException('Container is not a ServiceManager'); } } #PY0 ff i DFͷΞΫλʔΛ
    CPY@P ff i DFͱ͍͏໊લͰ
    τοϓϨϕϧʹ഑ஔ
53. public function handle(ServerRequestInterface $request): ResponseInterface { $actor = $this->appActor; $post = $request->getParsedBody(); if (! isset($post['tickets'])) { return new JsonResponse(['error' => 'tickets is required'], 400); } $eventName = $request->getAttribute('name'); $future = $actor->root->requestFuture( $actor->actorRef, new EventDescription($eventName, (int) $post['tickets']), 2000 ); $fr = $future->result(); if ($fr->error() !== null) { return new JsonResponse(['error' => $fr->error()], 400); } $v = $fr->value(); return match (true) { $v instanceof EventCreated => new JsonResponse(['message' => 'event created', 'event' => $eventName]), $v instanceof EventExists => new JsonResponse(['message' => 'event exists', 'event' => $eventName], 409), default => new JsonResponse(['message' => 'unknown'], 400), }; }
54. public function handle(ServerRequestInterface $request): ResponseInterface { $actor = $this->appActor; $post = $request->getParsedBody(); if (! isset($post['tickets'])) { return new JsonResponse(['error' => 'tickets is required'], 400); } $eventName = $request->getAttribute('name'); $future = $actor->root->requestFuture( $actor->actorRef, new EventDescription($eventName, (int) $post['tickets']), 2000 ); $fr = $future->result(); if ($fr->error() !== null) { return new JsonResponse(['error' => $fr->error()], 400); } $v = $fr->value(); return match (true) { $v instanceof EventCreated => new JsonResponse(['message' => 'event created', 'event' => $eventName]), $v instanceof EventExists => new JsonResponse(['message' => 'event exists', 'event' => $eventName], 409), default => new JsonResponse(['message' => 'unknown'], 400), }; } τοϓϨϕϧΞΫλʔʹ
    νέοτ࡞੒Λґཔ
55. public function handle(ServerRequestInterface $request): ResponseInterface { $actor = $this->appActor; $post = $request->getParsedBody(); if (! isset($post['tickets'])) { return new JsonResponse(['error' => 'tickets is required'], 400); } $eventName = $request->getAttribute('name'); $future = $actor->root->requestFuture( $actor->actorRef, new EventDescription($eventName, (int) $post['tickets']), 2000 ); $fr = $future->result(); if ($fr->error() !== null) { return new JsonResponse(['error' => $fr->error()], 400); } $v = $fr->value(); return match (true) { $v instanceof EventCreated => new JsonResponse(['message' => 'event created', 'event' => $eventName]), $v instanceof EventExists => new JsonResponse(['message' => 'event exists', 'event' => $eventName], 409), default => new JsonResponse(['message' => 'unknown'], 400), }; } SFRVFTU'VUVSF͸
    BTZODBXBJUͷΑ͏ʹ
    ޙʹૹΒΕͯ͘Δ஋͕ར༻Ͱ͖Δ
56. public function handle(ServerRequestInterface $request): ResponseInterface { $actor = $this->appActor; $post = $request->getParsedBody(); if (! isset($post['tickets'])) { return new JsonResponse(['error' => 'tickets is required'], 400); } $eventName = $request->getAttribute('name'); $future = $actor->root->requestFuture( $actor->actorRef, new EventDescription($eventName, (int) $post['tickets']), 2000 ); $fr = $future->result(); if ($fr->error() !== null) { return new JsonResponse(['error' => $fr->error()], 400); } $v = $fr->value(); return match (true) { $v instanceof EventCreated => new JsonResponse(['message' => 'event created', 'event' => $eventName]), $v instanceof EventExists => new JsonResponse(['message' => 'event exists', 'event' => $eventName], 409), default => new JsonResponse(['message' => 'unknown'], 400), }; } GVUVSFͷ݁Ռ
57. public function receive(ContextInterface $context): void { $msg = $context->message(); switch (true) { case $msg instanceof EventDescription: $result = $context->spawnNamed( Props::fromProducer(fn() => new TicketSeller()), $msg->name ); if ($result->isError() instanceof NameExistsException) { // ΞΫλʔ͕ੜ੒ࡁΈͷ৔߹͸ੜ੒ࡁΈͰ͋Δ͜ͱΛ௨஌͠·͢ $context->respond(new EventExists()); break; } $context->send($result->getRef(), new Add($msg->name, $msg->tickets, $context->sender())); break;
58. public function receive(ContextInterface $context): void { $msg = $context->message(); switch (true) { case $msg instanceof EventDescription: $result = $context->spawnNamed( Props::fromProducer(fn() => new TicketSeller()), $msg->name ); if ($result->isError() instanceof NameExistsException) { // ΞΫλʔ͕ੜ੒ࡁΈͷ৔߹͸ੜ੒ࡁΈͰ͋Δ͜ͱΛ௨஌͠·͢ $context->respond(new EventExists()); break; } $context->send($result->getRef(), new Add($msg->name, $msg->tickets, $context->sender())); break; #PY0 ff i DFΞΫλʔ
    SFDFJWFϝιουͷΈ࣮૷
59. public function receive(ContextInterface $context): void { $msg = $context->message(); switch (true) { case $msg instanceof EventDescription: $result = $context->spawnNamed( Props::fromProducer(fn() => new TicketSeller()), $msg->name ); if ($result->isError() instanceof NameExistsException) { // ΞΫλʔ͕ੜ੒ࡁΈͷ৔߹͸ੜ੒ࡁΈͰ͋Δ͜ͱΛ௨஌͠·͢ $context->respond(new EventExists()); break; } $context->send($result->getRef(), new Add($msg->name, $msg->tickets, $context->sender())); break; ྲྀΕͯ͘Δϝοηʔδ͸
    DPOUFYUNFTTBHF
    Ͱऔಘ
60. public function receive(ContextInterface $context): void { $msg = $context->message(); switch (true) { case $msg instanceof EventDescription: $result = $context->spawnNamed( Props::fromProducer(fn() => new TicketSeller()), $msg->name ); if ($result->isError() instanceof NameExistsException) { // ΞΫλʔ͕ੜ੒ࡁΈͷ৔߹͸ੜ੒ࡁΈͰ͋Δ͜ͱΛ௨஌͠·͢ $context->respond(new EventExists()); break; } $context->send($result->getRef(), new Add($msg->name, $msg->tickets, $context->sender())); break; &WFOU%FTDSJQUJPOϝοηʔδ΁ͷ
    ରԠΛهड़ NBUDI౳Ͱ΋0,
61. public function receive(ContextInterface $context): void { $msg = $context->message(); switch (true) { case $msg instanceof EventDescription: $result = $context->spawnNamed( Props::fromProducer(fn() => new TicketSeller()), $msg->name ); if ($result->isError() instanceof NameExistsException) { // ΞΫλʔ͕ੜ੒ࡁΈͷ৔߹͸ੜ੒ࡁΈͰ͋Δ͜ͱΛ௨஌͠·͢ $context->respond(new EventExists()); break; } $context->send($result->getRef(), new Add($msg->name, $msg->tickets, $context->sender())); break; ࢓ࣄΛґཔ͢ΔࢠΞΫλʔΛੜ੒
62. public function receive(ContextInterface $context): void { $msg = $context->message(); switch (true) { case $msg instanceof EventDescription: $result = $context->spawnNamed( Props::fromProducer(fn() => new TicketSeller()), $msg->name ); if ($result->isError() instanceof NameExistsException) { // ΞΫλʔ͕ੜ੒ࡁΈͷ৔߹͸ੜ੒ࡁΈͰ͋Δ͜ͱΛ௨஌͠·͢ $context->respond(new EventExists()); break; } $context->send($result->getRef(), new Add($msg->name, $msg->tickets, $context->sender())); break; ΠϕϯτνέοτΛ୲౰͢Δ
    ΞΫλʔ
    ࣝผͰ͖Δ໊લΛ͚ͭΔྫ
63. public function receive(ContextInterface $context): void { $msg = $context->message(); switch (true) { case $msg instanceof EventDescription: $result = $context->spawnNamed( Props::fromProducer(fn() => new TicketSeller()), $msg->name ); if ($result->isError() instanceof NameExistsException) { // ΞΫλʔ͕ੜ੒ࡁΈͷ৔߹͸ੜ੒ࡁΈͰ͋Δ͜ͱΛ௨஌͠·͢ $context->respond(new EventExists()); break; } $context->send($result->getRef(), new Add($msg->name, $msg->tickets, $context->sender())); break; ࣝผՄೳͳΞΫλʔ͕ઌʹ
    ىಈ͍ͯ͠Δ
    
    ঢ়ଶ͕͢Ͱʹ͋Δ
    ͜ͷͨΊ࡞੒͠ͳ͍
64. public function receive(ContextInterface $context): void { $msg = $context->message(); switch (true) { case $msg instanceof EventDescription: $result = $context->spawnNamed( Props::fromProducer(fn() => new TicketSeller()), $msg->name ); if ($result->isError() instanceof NameExistsException) { // ΞΫλʔ͕ੜ੒ࡁΈͷ৔߹͸ੜ੒ࡁΈͰ͋Δ͜ͱΛ௨஌͠·͢ $context->respond(new EventExists()); break; } $context->send($result->getRef(), new Add($msg->name, $msg->tickets, $context->sender())); break; νέοτൢചΞΫλʔѼʹ
    "EEϝοηʔδΛૹ৴
66. BoxO ffi ce ΞΫλʔ TicketSeller ΞΫλʔ TicketSeller ΞΫλʔ TicketSeller ΞΫλʔ TicketSeller ΞΫλʔ TicketSeller ΞΫλʔ TicketSeller ΞΫλʔ
67. <?php declare(strict_types=1); namespace App\Message; use Phluxor\ActorSystem\Ref; class Add { public function __construct( readonly public string $name, readonly public int $tickets, readonly public Ref $replyTo ) { } }
68. <?php declare(strict_types=1); namespace App\Message; use Phluxor\ActorSystem\Ref; class Add { public function __construct( readonly public string $name, readonly public int $tickets, readonly public Ref $replyTo ) { } } Πϕϯτ໊
    νέοτຕ਺
    νέοτ࡞੒݁Ռ
    ૹ৴ઌ
69. class TicketSeller implements ActorInterface { private int $tickets = 0; private string $name = ''; private string $id = ''; public function receive(ContextInterface $context): void { $msg = $context->message(); switch (true) { case $msg instanceof Add: // Ұ෦ൈਮ $this->name = $msg->name; $this->tickets = $msg->tickets; $this->id = (string)$context->self(); $context->send($msg->replyTo, new EventCreated($msg->name, $msg->tickets)); break; } } }
70. class TicketSeller implements ActorInterface { private int $tickets = 0; private string $name = ''; private string $id = ''; public function receive(ContextInterface $context): void { $msg = $context->message(); switch (true) { case $msg instanceof Add: // Ұ෦ൈਮ $this->name = $msg->name; $this->tickets = $msg->tickets; $this->id = (string)$context->self(); $context->send($msg->replyTo, new EventCreated($msg->name, $msg->tickets)); break; } } } 5JDLFU4FMMFS͕
    "EEϝοηʔδΛड͚औͬͨΒ
71. class TicketSeller implements ActorInterface { private int $tickets = 0; private string $name = ''; private string $id = ''; public function receive(ContextInterface $context): void { $msg = $context->message(); switch (true) { case $msg instanceof Add: // Ұ෦ൈਮ $this->name = $msg->name; $this->tickets = $msg->tickets; $this->id = (string)$context->self(); $context->send($msg->replyTo, new EventCreated($msg->name, $msg->tickets)); break; } } } 5JDLFU4FMMFSʹঢ়ଶΛอଘ
    1FSTJTUFODFར༻࣌͸ɺ
    ঢ়ଶมߋຖʹอଘ͞ΕΔ
72. class TicketSeller implements ActorInterface { private int $tickets = 0; private string $name = ''; private string $id = ''; public function receive(ContextInterface $context): void { $msg = $context->message(); switch (true) { case $msg instanceof Add: // Ұ෦ൈਮ $this->name = $msg->name; $this->tickets = $msg->tickets; $this->id = (string)$context->self(); $context->send($msg->replyTo, new EventCreated($msg->name, $msg->tickets)); break; } } } νέοτൢചΠϕϯτͷ
    ঢ়ଶ͕อଘ͞ΕͨΒ
    &WFOU$SFBUFEΠϕϯτΛฦ٫
    ʢSFQMZ5Pʹࢦఆ͞ΕͨΞΫλʔѼʣ
73. BoxO ff i ce • ݱࡏͷࡏݿΛௐ΂͍ͨͱ͖͸ɺࢠΞΫλʔʹݱࡏͷঢ়ଶΛฉ͘ • ·ͱΊͯฦ͢ • ൢചऴྃͳͲ͕͋ͬͨ৔߹͸֘౰ΞΫλʔʹఀࢭࢦࣔ ϨδετϦ͔Β΋࡟আ͞Εͯ։์
74. private function fetchEvents(ContextInterface $context): array { $wg = new WaitGroup(); $events = []; foreach ($context->children() as $child) { $wg->add(); $future = $context->requestFuture($child, new GetEvent(), 2000); $fr = $future->result(); if ($fr->error() !== null) { $wg->done(); continue; } if ($fr->value() instanceof Event) { $events = array_merge($events, [$fr->value()]); $wg->done(); } } $wg->wait(); return $events; }
75. private function fetchEvents(ContextInterface $context): array { $wg = new WaitGroup(); $events = []; foreach ($context->children() as $child) { $wg->add(); $future = $context->requestFuture($child, new GetEvent(), 2000); $fr = $future->result(); if ($fr->error() !== null) { $wg->done(); continue; } if ($fr->value() instanceof Event) { $events = array_merge($events, [$fr->value()]); $wg->done(); } } $wg->wait(); return $events; } ࣗ਎͕ੜ੒ͨ͠ࢠΞΫλʔ
    ʢ֤ΠϕϯτνέοτൢചΞΫλʔʣ ʹݱࡏͷঢ়ଶΛਘͶΔ
76. private function fetchEvents(ContextInterface $context): array { $wg = new WaitGroup(); $events = []; foreach ($context->children() as $child) { $wg->add(); $future = $context->requestFuture($child, new GetEvent(), 2000); $fr = $future->result(); if ($fr->error() !== null) { $wg->done(); continue; } if ($fr->value() instanceof Event) { $events = array_merge($events, [$fr->value()]); $wg->done(); } } $wg->wait(); return $events; } ͢΂ͯͷνέοτൢചঢ়گΛϚʔδ
77. ஫ҙ • Persistenceͷྫ͸αϯϓϧίʔυɺ΋͘͠͸ςετίʔυΛࢀর • ΠϯλʔϑΣʔε࣮૷͢Δ͜ͱͰRDBMSͳͲʹରԠ • ͨͩ͠ίϧʔνϯͰಈͨ͘Ίɺ͓ؾʹೖΓͷORM࢖͏ͳͲ͸ ݕূ͍ͯͩ͘͠͞
78. PR͓଴͓ͪͯ͠Γ·͢
79. ଞʹ΋ ֶߍͷςετΛ໛ͨ͠αϯϓϧ΋ https://github.com/ytake/phluxor- example
80. Proto.Actor޲͚αϯϓϧ ಡΈସ͑Ε͹ͦͷ··ಈ͖·͢ https://github.com/ytake/ protoactor-go-example
81. ·ͱΊ • ͢΂ͯΛղܾ͢Δ΋ͷͰ͸ͳ͍ • ฒߦͰඇಉظͰɺεέʔϧ͍ͤͨ͞ͳΒબ୒ࢶͷҰͭ • ES+CQRSͳͲΛ࣮ફ͍ͨ͠৔߹͸ମݧͯ͠ΈΔ • Α͏ͦ͜ɺϝοηʔδύογϯάͷੈք