[B! future] kuchitamaã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

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futureã«é–¢ã™ã‚‹kuchitamaã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (9)

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ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã«åˆã£ãŸExecutionContextã‚’ä½¿ã† - tototoshi ã®æ—¥è¨˜
scalaã§ã¯Futureãªã©ã®è£å´ã§ã¯ExecutionContextãŒå‹•ã„ã¦ã„ã¾ã™ã€‚ã¨ã„ã†ã“ã¨ã¯ExecutionContextã®ä½¿ã„æ–¹ãŒã„ã¾ã„ã¡ã ã¨Futureå‘¨ã‚Šã§å•é¡ŒãŒèµ·ãã‚‹ã“ã¨ã«ãªã‚Šã¾ã™ã€‚ ã‚ˆãèµ·ãã‚‹å•é¡Œã®1ã¤ã¨ã—ã¦ã€æ¨™æº–ã®ExecutionContextãŒã„ã¾ã„ã¡ã ã£ãŸã€ã¨ã„ã†ã®ãŒã‚ã‚‹ã¨æ€ã„ã¾ã™ã€‚ æ¨™æº–ã®ExecutionContextã¯ãƒ€ãƒ¡ã¨ã„ã†ã‹ã€é©ã•ãªã„ãƒ‘ã‚¿ãƒ¼ãƒ³ãŒã‚ã‚‹ã®ã§ã™ãŒã€ã‚ã¾ã‚Šã‚ˆãè€ƒæ…®ã•ã‚Œãšã«ä½¿ã‚ã‚Œã¦ã—ã¾ã†å°è±¡ãŒã‚ã‚Šã¾ã™ã€‚ ã¾ã‚æ‚ªã„ã®ã¯ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã®è¦ªåˆ‡ã™ãŽã‚‹ã‚¨ãƒ©ãƒ¼ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ã§ã—ã‚‡ã†ã€‚ scala> import scala.concurrent.Future import scala.concurrent.Future scala> Future { 1 + 1 } <console>:9: error: Cannot find an implicit Execu
kuchitama 2015/12/24
scala

future

Scala

ã‚¹ãƒ¬ãƒƒãƒ‰
ãƒªãƒ³ã‚¯
ã¤ã¾ã‚‰ãªã„ã‚·ã‚¹ãƒ†ãƒ (2) - Scala æ›¸ãã‚„ã™ã™ãŽã‚‹Futureã®ç½ by mashi ã•ã‚“ - niconare
Scala ã® Future ã«æ…£ã‚Œã¦ããŸäººå‘ã‘ å‰: kn653 ã¤ã¾ã‚‰ãªã„ã‚·ã‚¹ãƒ†ãƒ (1) - Scala ã® Future ã¨ ExecutionContext
kuchitama 2015/11/13
scala

Scala

future
ãƒªãƒ³ã‚¯
ã¤ã¾ã‚‰ãªã„ã‚·ã‚¹ãƒ†ãƒ (1) - Scala ã® Future ã¨ ExecutionContext by mashi ã•ã‚“ - niconare
Scala ã® Future ã«æ…£ã‚Œã¦ããŸäººã¸ ExecutionContext ã‚’ä¸Šæ‰‹ã«ä½¿ã£ã¦ ã¤ã¾ã‚‰ãªã„ã‚·ã‚¹ãƒ†ãƒ ã‚’ä½œã‚Šã¾ã—ã‚‡ã† ExecutionContext ã®å®Ÿè£…ã¯ã„ã‚ã‚“ãªã‚‚ã®ãŒã‚ã‚‹ã®ã§å›³ãŒé–“é•ã£ã¦ã„ã‚‹ã‚±ãƒ¼ã‚¹ã‚‚ã‚ã‚Šã¾ã™ãŒã€ã‚¤ãƒ¡ãƒ¼ã‚¸å›³ã¨æ€ã£ã¦ã„ãŸã ã‘ã‚Œã°ã€‚ ç¶šã: kn654 ã¤ã¾ã‚‰ãªã„ã‚·ã‚¹ãƒ†ãƒ (2) - Scala æ›¸ãã‚„ã™ã™ãŽã‚‹Futureã®ç½ å…ˆã«ã“ã®ãƒ–ãƒã‚°è¨˜äº‹ã‚’è¦‹ã¦ã‹ã‚‰èªã‚€ã“ã¨ã‚’ãŠã™ã™ã‚ã—ã¾ã™ http://mashi.hatena blog.com/entry/2014/11/24/010417
kuchitama 2015/11/13
scala

future

Scala
ãƒªãƒ³ã‚¯
Scalaã«ãŠã‘ã‚‹é–¢æ•°åž‹ä¸¦åˆ—ä¸¦è¡Œãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°
class: center, middle # Scalaã«ãŠã‘ã‚‹<br>é–¢æ•°åž‹ä¸¦åˆ—ä¸¦è¡Œ<br>ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚° [![ã‚¯ãƒªã‚¨ã‚¤ãƒ†ã‚£ãƒ–ãƒ»ã‚³ãƒ¢ãƒ³ã‚ºãƒ»ãƒ©ã‚¤ã‚»ãƒ³ã‚¹](http://i.creativecommons.org/l/by/2.1/jp/88x31.png)](http://creativecommons.org/licenses/by/2.1/jp/) --- class: middle <img src="image/xuwei.gif" alt="ã‚¢ã‚¤ã‚³ãƒ³" width="100" height="100" /> - twitter [@xuwei_k](https://twitter.com/xuwei_k) - github [@xuwei-k](https://github.com/xuwei-k) - blog <http://xuwei-k.hatena blog.com>
kuchitama 2015/09/14
scala

scalaz

future

programming
ãƒªãƒ³ã‚¯
Scala ExecutionContextã£ã¦ä½• / Futureã¯ã‚¹ãƒ¬ãƒƒãƒ‰ç«‹ã¡ä¸Šã’ã˜ã‚ƒãªã„ã‚ˆ - ã¾ã—ã‚ã‚‚
ã“ã†ã„ã†äººã¯ã€ã‚ã¨ã‚ã¨å‡¦ç†ãŒè©°ã¾ã£ãŸã‚Šç†è§£ã§ããªã„æŒ™å‹•ãŒèµ·ããŸã‚Šã—ã¦å›°ã‚‹ã®ã§æ³¨æ„ã€‚ ã‚ˆãã‚ã‹ã‚‰ãªã„ã‘ã©ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«æ™‚ã«æ€’ã‚‰ã‚Œã‚‹ã®ã§ import scala.concurrent.ExecutionContext.Implicits.global ã‚’æ›¸ã„ã¦ã„ã‚‹ Future.apply ã¯ ã€Œã‚¹ãƒ¬ãƒƒãƒ‰ã‚’ç«‹ã¡ä¸Šã’ã¦éžåŒæœŸã«å®Ÿè¡Œã™ã‚‹ã€ã¨ç†è§£ã—ã¦ã„ã‚‹ ç‰¹ã«ä½•ã‚‚è€ƒãˆãš Future å†…ã§ Thread.sleep ã‚’ã—ã¦ã„ã‚‹ ExecutionContextã¨ã¯ Future#mapã‚„Future.applyã«implicitãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ã¨ã—ã¦è¦æ±‚ã•ã‚Œã‚‹*1ExecutionContextã£ã¦ä½•ãªã®ã‹ï¼Ÿ ä½•ã‹æ¸¡ã•ãªã„ã¨ã„ã‘ãªã„ã‹ã‚‰ã¨ã‚Šã‚ãˆãš import scala.concurrent.ExecutionContext.Implicits.global ã¨æ›¸ã„ã¦ã„ã‚‹äººã‚‚ã„ã‚‹ã‚“ã˜ã‚ƒãªã„ã ã‚ã†ã‹ã€‚ Ex
kuchitama 2015/08/24
scala

future

éžåŒæœŸå‡¦ç†
ãƒªãƒ³ã‚¯
Servlet ã¨ Future ã®é–¢ã‚ã‚Šæ–¹ #scala_ks
English version is here: http://www.slideshare.net/seratch/future-on-servlet-scalaks http://summit.scala-kansai.org/ ã§ã®ãƒ—ãƒ¬ã‚¼ãƒ³ã§ã™Read less
kuchitama 2015/08/03
future

Scala

Servlet

Skinny

skinnyframework
ãƒªãƒ³ã‚¯
Scalaã§ã€Futureã‚„Optionã‚„ListãŒãƒã‚¹ãƒˆã—ã¦ã—ã¾ã£ãŸã¨ãã«ã€ã„ã„æ„Ÿã˜ã«å¤‰æ›ã™ã‚‹æ–¹æ³• - xuwei-k's blog
Optionã§èª¬æ˜Žã—ã¦ã¾ã™ãŒã€Listã‚„Eitherã§ã‚‚åŒã˜ã¯ãšã§ã™ã€‚ã¨ã‚Šã‚ãˆãšsequenceã¨joinã§ã€ã©ã‚“ãªã«ãƒã‚¹ãƒˆã—ã¦ã„ã¦ã‚‚ã€å¤§æ¦‚å¤‰æ›ã§ãã‚‹ã¯ãšï¼Ÿ *1 *1:ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã¨ã‹ã€sequenceã®å‘¼ã³å‡ºã—é †ã«ã‚ˆã‚‹ã€ç´°ã‹ã„å‹•ä½œã®é•ã„ã¨ã‹ã¯ã‚ã‚Œã§ã™ãŒã€‚ã‚‚ã—ä¼¼ãŸã‚ˆã†ãªæ„Ÿã˜ã§å›°ã£ãŸã‚‰ã€èžã„ã¦ä¸‹ã•ã„
kuchitama 2015/07/28
scala

future

scalaz
ãƒªãƒ³ã‚¯
ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã®ãƒ‘ãƒ©ãƒ€ã‚¤ãƒ ã‚·ãƒ•ãƒˆï¼ˆãƒ€ã‚¤ã‚¸ã‚§ã‚¹ãƒˆï¼‰ãƒ¼Scalaã‹ã‚‰è¦‹ã‚‹é–¢æ•°åž‹ã¨ä¸¦åˆ—æ€§æ™‚ä»£ã®å¹•é–‹ã‘ãƒ¼
19. "Future" must { import scala.concurrent.ExecutionContext.Implicits.global "map and flatMap" in { val futureMessage = Future { Thread.sleep(1000); 1 }.flatMap(value => Future { Thread.sleep(1000); value + 1 }).map(s => s"This is a value of future after $s seconds") Await.result(futureMessage, 5 seconds) must be("This is a value of future after 2 seconds") } "for comprehension" in { val futureMe
kuchitama 2015/06/28
future

scala

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªž

ä¸¦åˆ—å‡¦ç†

ProgrammingLanguages

Paradigm
ãƒªãƒ³ã‚¯
JJUG ãƒŠã‚¤ãƒˆã‚»ãƒŸãƒŠãƒ¼ã§ Reactive Streams ã«ã¤ã„ã¦ç™ºè¡¨ã—ã¾ã—ãŸ - Okapies' Archive
6æœˆ24æ—¥ã® JJUG ãƒŠã‚¤ãƒˆã‚»ãƒŸãƒŠãƒ¼ã§ã€ŒReactive Streams å…¥é–€ã€ã®ã‚¿ã‚¤ãƒˆãƒ«ã§ç™ºè¡¨ã•ã›ã¦é ‚ãã¾ã—ãŸã€‚æœ€è¿‘è©±é¡Œã® Reactive Programmingã€æ°—ãŒã¤ã„ãŸã‚‰ä¸€ä¸‡äººä»¥ä¸ŠãŒç½²åã—ã¦ã„ã‚‹ Reactive Manifestoã€ãã—ã¦ Java 9 ã§æ¨™æº–åŒ–ã¨ã„ã†è©±ãŒé€²ã‚“ã§ã„ã‚‹ Reactive Streams ã‚’ã¾ã¨ã‚ã¦ä¿¯çž°ã—ã¦ã¿ã¾ã—ãŸã€ã¨ã„ã†æ„Ÿã˜ã®å†…å®¹ã«ãªã£ã¦ã„ã¾ã™ã€‚ ã‹ãªã‚Šæˆ¦ã€…æã€…ã ã£ãŸã®ã§ã™ãŒã€æ€ã„ã®ã»ã‹ã”å¥½è©•ã‚’ã„ãŸã ãã¨ã¦ã‚‚ã¨ã¦ã‚‚ã»ã£ã¨ã—ã¦ã„ã¾ã™ã€‚ç™ºè¡¨ã®æ©Ÿä¼šã‚’ä¸Žãˆã¦ä¸‹ã•ã£ãŸ JJUG ã‚¹ã‚¿ãƒƒãƒ•ã®çš†æ§˜ã€ä¼šå ´ã‚’ã”æä¾›é ‚ã„ãŸã‚ªãƒ©ã‚¯ãƒ«æ§˜ã€ç™ºè¡¨ã‚’è´ã„ã¦ãã ã•ã£ãŸå‚åŠ è€…ã®æ–¹ã€…ã€ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã—ãŸã€‚ ç™ºè¡¨ã§ã‚‚è§¦ã‚Œã¾ã—ãŸãŒã€"Reactive" ã¨ã„ã†æ¦‚å¿µãŒä½•ã‚’æŒ‡ã™ã‹ã«ã¤ã„ã¦ã¯å¤§ããªæ··ä¹±ãŒã‚ã‚Šã€æ§˜ã€…ãªè«–è€…ãŒç•°ãªã‚‹å®šç¾©ã‚’æå”±ã—ã¦ã„ã‚‹ã®ãŒç¾çŠ¶ã§ã™ã€‚ä¸€æ–¹ã§ã€ãã†ã—ãŸå®šç¾©ã®èƒŒæ™¯ã«ã¯
kuchitama 2015/06/26
reactive

reactive streams

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

java

scala

future
ãƒªãƒ³ã‚¯
1

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