ã€#Play】Play Framework 2.3 (Scala) を使ã£ãŸ Web システム開発入門 #Play_ja #Scala #rpscala - QiitaDeleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article?
ãƒã‚¤ãƒ–リッド言語Scalaを使ã†
The document discusses Scala programming concepts including object-oriented programming, functional programming, collections, pattern matching, and more. It provides code examples of defining objects and classes, functions, for expressions, match expressions, case classes, traits, generics, and collections like List and Map.Read less
Java開発ã§æ³£ã‹ãªã„ãŸã‚ã®Play frameworkã®åŸºç¤ŽçŸ¥è˜
Javaã®å¸¸è˜ã‚’変ãˆã‚‹ã€ŒPlay frameworkã€ã¨ã¯ 「Play frameworkã€ã¯ã€ã‚µãƒ¼ãƒã‚µã‚¤ãƒ‰Javaã¨Scalaã®ãŸã‚ã®MVCフレームワークã§ã™ã€‚ã“ã®é€£è¼‰ã§ã¯ã€ä¸»ã«Javaã®ãƒ•ãƒ¬ãƒ¼ãƒ ワークã¨ã—ã¦ã®Play frameworkを紹介ã—ã¦ã„ãã¾ã™ã€‚ã§ã‚‚「Javaã§ã€Webå‘ã‘ã§ã€MVCã§â€¦â€¦ã€ãªã‚“ã¦ã€ã‚ã‚Šãµã‚ŒãŸæ„Ÿã˜ã§ã™ã‚ˆã。ãã‚Œãªã‚‰ã€ŒScalaã§ã€ã©ã†ä½œã‚‹ã®ã‹ã€ã¨ã„ã†è©±ã®æ–¹ãŒèˆˆå‘³ã‚ã‚‹ã¨ã„ã†æ–¹ã‚‚ã„ã‚‹ã§ã—ょã†ã€‚ ã—ã‹ã—ã€Play frameworkã¯ãƒãƒ¼ã‚¸ãƒ§ãƒ³1ã¾ã§ã¯Javaã®ãƒ•ãƒ¬ãƒ¼ãƒ ワークã¨ã—ã¦ä½œã‚‰ã‚Œã¦ã„ã¾ã—ãŸã€‚ã¾ãŸã€Scalaã¯JavaVM上ã§å‹•ä½œã™ã‚‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã§ã™ã€‚ã¤ã¾ã‚Šç¾åœ¨ã®æœ€æ–°ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã®2ã§ã‚‚基礎ã®éƒ¨åˆ†ã§å‹•ã„ã¦ã„ã‚‹ã®ã¯Javaã§ã™ã€‚Play frameworkを知るãŸã‚ã«ã¯ã€ã¾ãšåŸºç¤Žã‹ã‚‰å›ºã‚ã¦ã„ãã®ãŒæ£æ”»æ³•ã ã¨æ€ã„ã¾ã™ã€‚Scalaã«ã¤ã„ã¦çŸ¥ã‚ŠãŸã„èªè€…ã¯ã€ä»¥ä¸‹ã®è¨˜
Scala Compilerã§éŠã¶ - CLOVERðŸ€
Scalaã¯æ¯”較的DSLã«å‘ã„ã¦ã„る言語ã¨è¨€ã‚ã‚Œã¦ã„ã¦ã€è¨å®šãƒ•ã‚¡ã‚¤ãƒ«ã¨ã‹ã‚‚Scalaã§æ›¸ãã¨ã„ã£ãŸã‚ˆã†ãªæµã‚ŒãŒå„種著åãªãƒ©ã‚¤ãƒ–ラリã«ã¯ã‚るよã†ã§ã™ã€‚ 例ãˆã°ã€Liftã®Boot.scalaã¨ã‹â€¦ã€‚ ã¨ã¯ã„ãˆã€ã“れらã®è¨å®šãƒ•ã‚¡ã‚¤ãƒ«ã£ã¦ã‚½ãƒ¼ã‚¹ã®ä¸€éƒ¨ã§ã™ã‚ˆã。ãã‚Œã£ã¦ã€éƒ½åº¦ã‚³ãƒ³ãƒ‘イルãŒã„ã‚‹ã£ã¦ã“ã¨ã˜ã‚ƒãªã„？アプリケーションã®å†èµ·å‹•ã¯ä»•æ–¹ãŒãªã„ã¨ã—ã¦ã‚‚ã€è¨å®šãƒ•ã‚¡ã‚¤ãƒ«ã‚’変ãˆã‚‹ã¨ã‚³ãƒ³ãƒ‘イルã—ãªãã¡ã‚ƒã„ã‘ãªã„ã£ã¦ã‚ã‚“ã¾ã‚Šãªã‚“ã˜ã‚ƒï¼Ÿ ã§ã€Scala Compilerã£ã¦JavaVM上ã§å‹•ãã‚ã‘ã§â€¦ã¨ã™ã‚Œã°ã€Scala Compilerã®APIを直接呼ã³å‡ºã™ã“ã¨ã§å‹•çš„ã«ã‚³ãƒ³ãƒ‘イルã¨ã‹ã§ããªã„ã‚‚ã®ã‹ã—ら…ã¨æ€ã£ã¦ã¡ã‚‡ã£ã¨èª¿ã¹ã¦ã¿ãŸã‚‰ã€ã‚„ã£ã±ã‚Šã‚„ã£ã¦ã„る人é”ã„ã¾ã—ãŸã‚ˆã€‚ Twitterã ã£ãŸã‘ã©ã…。 Evalãªã‚“ã¦ã‚¯ãƒ©ã‚¹ã‚’TwitterãŒä½œã£ã¦ã„ãŸã®ã§ã€ã“れをå‚考ã«Scala Compiler APIã§éŠã‚“ã§
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Build and run apps that react to change
Akka is relied upon when application responsiveness must be guaranteed. Industry titans and disruptors use Akka to power apps that automatically adapt to change. Akka apps are elastic, agile, and resilient...no matter what. Akka is relied upon when application responsiveness must be guaranteed. Engineering teams use a simple SDK and powerful libraries to build transactional, durable, and real-time
http://scalate.fusesource.org/documentation/scuery.html
Scuery Transform HTML using jQuery style DSL in Scala Scuery provides an XML transformation library which uses a jQuery style approach, using CSS3 selectors to transform HTML or XHTML to inject dynamic information from static HTML/XHTML documents owned by designers. For example a designer could create a mock up layout in HTML; or have a sample page with mock data. Scuery can then be used to transf
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NetBeansプラットフォームã¯ã€å¤§è¦æ¨¡ãªãƒ‡ã‚¹ã‚¯ãƒˆãƒƒãƒ—・アプリケーションã®åŸºç¤Žã«ã™ã‚‹ã“ã¨ãŒã§ãã‚‹ã€åºƒç¯„ãªJavaフレームワークã§ã™ã€‚NetBeans IDE自体ã¯ã€NetBeansプラットフォームã«åŸºã¥ã„ãŸæ•°ç™¾ã®ã‚¢ãƒ—リケーションã®1ã¤ã§ã™ã€‚NetBeansプラットフォームã¯ã€ã‚¦ã‚£ãƒ³ãƒ‰ã‚¦ã€ã‚¢ã‚¯ã‚·ãƒ§ãƒ³ã€ãƒ•ã‚¡ã‚¤ãƒ«ã€ãŠã‚ˆã³ã‚¢ãƒ—リケーションã«ä¸€èˆ¬çš„ãªãã®ä»–ã®å¤šãã®å‡¦ç†ã‚’容易ã«ã™ã‚‹APIã‚’å«ã‚“ã§ã„ã¾ã™ã€‚ NetBeansプラットフォーム・アプリケーションã®ãã‚Œãžã‚Œã®æ©Ÿèƒ½ã¯ã€ãƒ—ラグインã«ä¼¼ãŸå€‹åˆ¥ã®NetBeansモジュールã«ã‚ˆã£ã¦æä¾›ã•ã‚Œã¾ã™ã€‚NetBeansモジュールã¯ã€ç‰¹å®šã®æ©Ÿèƒ½ã‚’æŒã¤ã‚¢ãƒ—リケーションをæä¾›ã™ã‚‹ã€Javaクラスã®ã‚°ãƒ«ãƒ¼ãƒ—ã§ã™ã€‚
Scalate
scalate Scala Template Engine: like JSP without the crap but with added Scala coolness Scalate: Scala Template Engine Scalate is a Scala based template engine. Scalate can be used stand alone or as a servlet or renderer when using JAXRS with Jersey. Scalate supports the following languages SSP pages which are like JSP/ASP pages Scaml pages which is a Scala dialect of Haml Compared to JSP, SSP miss
LinkedIn Signal: Scala, JRuby 㨠Voldemortã®ã‚±ãƒ¼ã‚¹ã‚¹ã‚¿ãƒ‡ã‚£
Spring Bootã«ã‚ˆã‚‹APIãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰æ§‹ç¯‰å®Ÿè·µã‚¬ã‚¤ãƒ‰ 第2版 何åƒäººã‚‚ã®é–‹ç™ºè€…ãŒã€InfoQã®ãƒŸãƒ‹ãƒ–ック「Practical Guide to Building an API Back End with Spring Bootã€ã‹ã‚‰ã€Spring Bootを使ã£ãŸREST API構築ã®åŸºç¤Žã‚’å¦ã‚“ã 。ã“ã®æœ¬ã§ã¯ã€å‡ºç‰ˆæ™‚ã«æ–°ã—ãリリースã•ã‚ŒãŸãƒãƒ¼ã‚¸ãƒ§ãƒ³ã§ã‚ã‚‹ Spring Boot 2 を使用ã—ã¦ã„る。ã—ã‹ã—ã€Spring Boot3ãŒæœ€è¿‘リリースã•ã‚Œã€é‡è¦ãªå¤‰...
Kojo Home
Kojo is an open source learning environment that is available as a desktop-app for Linux, Windows, and Mac, and as a web-app that runs on any modern internet-browser. Inside Kojo, youngsters (from ages 8 to 80!) – play, create, and learn: They play with Scala programs. They create drawings, animations, games, and Arduino based intelligent circuits (with appropriate additional hardware). And they l
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ã“ã®ãƒ‰ãƒ¡ã‚¤ãƒ³ãƒ¢ãƒ‡ãƒ«ã«åŸºã¥ã„ã¦ã€ã¾ãšç¬¬ä¸€ã«ã€ã“ã®ã‚¢ãƒ¼ãƒ†ã‚£ã‚¯ãƒ«ã§ã¯ã€ã©ã®ã‚ˆã†ã«Hibernate/JPAを使ã£ã¦ã€Scalaã«ãŠã‘ã‚‹ Personエンティティ用㮠ジェãƒãƒªãƒƒã‚¯Data Access Object (DAO) ã¨å…·ä½“çš„ãªDAOã®å®Ÿè£…方法を示ã™ã€‚ãã®çµæžœã€ PersonDaoã«ã€ CRUDæ“作ãŒå®Ÿè¡Œã§ãるよã†ã«ãªã‚Šã‚‹ã€‚例: val p1 = new Person(“Rod Johnsonâ€) val p2 = dao.findByName(“Martin Oderskyâ€) p1.link(p2) personDao.save(p1) Step 2 ãã‚Œã‹ã‚‰ã“ã®ã‚¢ãƒ¼ãƒ†ã‚£ã‚¯ãƒ«ã¯ã€Person エンティティを「リッãƒãªã€ãƒ‰ãƒ¡ã‚¤ãƒ³ã‚ªãƒ–ジェクトã«å¤‰æ›ã™ã‚‹ã®ã«ã€ä½•ãŒå¿…è¦ãªã®ã‹ã‚’è¦ç´„ã™ã‚‹ã€‚ã“ã®ã‚ªãƒ–ジェクトã¯ã€å†…部㧠NotificationServiceを使ã£ã¦ã€linkメソッドãŒå‘¼ã°ã‚ŒãŸã¨
Scala ã®å‹•çš„変数㧠DSL ã‚’ç°¡æ½”ã«ã™ã‚‹ï¼šRainy Day Codings：So-net blog
Ruby ã®ãƒ–ãƒãƒƒã‚¯ã¤ã open ã®ã‚ˆã†ã«å‹æ‰‹ã«å¾Œå§‹æœ«ã‚’ã—ã¦ãれる open メソッドを Scala ã§å®Ÿè£…ã™ã‚‹ã“ã¨ã‚’考ãˆã¦è¦‹ã¾ã™ã€‚ã“ã‚Œã‚’ç´ ç›´ã«æ›¸ã‘ã°ã“ã†ãªã‚Šã¾ã™ã€‚ import java.io.FileOutputStream object DisposableFile1 { def openOut(path: String)(block: FileOutputStream => Unit) { val out = new FileOutputStream(path) try { block(out) } finally { out.close() // Console.println("closed") } } } ã“ã‚Œã¯ã“ã®ã‚ˆã†ã«ã—ã¦ä½¿ãˆã¾ã™ã€‚ scala> import DisposableFile1._ import DisposableFile1._ scala> openO
Rubyã‹ã‚‰Scalaã«ä¹—ã‚Šæ›ãˆãŸ15ãらã„ã®ç†ç”± - ヽ( ・∀・)ノãã¾ãã¾ãƒ¼(2010-04-26)
â— [Scala] Rubyã‹ã‚‰Scalaã«ä¹—ã‚Šæ›ãˆãŸ15ãらã„ã®ç†ç”± [注æ„] ã“ã®æ–‡ç« ã‚’èªã‚€ã¨ã€æ—¢å˜ã®RubyコードをScalaã§rewriteã—ãŸããªã‚‹ã€ Rubyコードã§åž‹ãƒã‚§ãƒƒã‚¯ã‚’ã‚„ã‚‹ã®ãŒé¬±ã«ãªã‚‹ã€Ruby案件ã§ã‚„ã‚‹æ°—ãŒå‡ºãªããªã‚‹ã€ ãªã©ã®å¹»è¦šã‚„異常行動ãŒå ±å‘Šã•ã‚Œã¦ã„ã¾ã™ã€‚ ç¾åœ¨é–¢ã‚ã£ã¦ã„るプãƒã‚¸ã‚§ã‚¯ãƒˆã‚„家æ—ã®ã“ã¨ã‚’常ã«æ„è˜ã—〠気を強ãæŒã£ã¦å†·é™ã«èªã‚€ã¨ã‚ˆã„ã§ã—ょã†ã€‚ 「Scalaプãƒã‚°ãƒ©ãƒŸãƒ³ã‚°å…¥é–€ã€ã‚’èªã¿ã¯ã˜ã‚ã¦ã€ã„ããªã‚Šå¤§ããé ·ã„ã¦ã—ã¾ã£ãŸã€‚ "コーディング時間ã®åŠåˆ†ã‚’テスト作æˆã«è²»ã‚„ã•ãªã‘ã‚Œã°ãªã‚‰ãªã‹ã£ãŸ"(p.3) "Railsã«ã‚ˆã£ã¦å¾—られãŸç”Ÿç”£æ€§ã®å‘上ã¯ã€ãƒ†ã‚¹ãƒˆä½œæˆã®ä½œæ¥ã«å¤±ã‚ã‚Œã¦ã—ã¾ã„ã¾ã—ãŸ"(p.3) ã¾ã•ã«ã“ã“æ•°å¹´ç§ãŒæŠ±ã„ã¦ãŸæ¼ 然ã¨ã—ãŸã‚¹ãƒˆãƒ¬ã‚¹ã®æ£ä½“ãŒã€çš„確ã«æ–‡ç« ã¨ãªã£ã¦ã„ãŸã‹ã‚‰ã 。ãã—ã¦ã»ã©ãªãã€ã€Œã‚ã€ã“ã®æ©Ÿèƒ½ãŒRubyã«æ¬²ã—ã‹ã£ãŸï¼ã€ã¨ã„ã†é©šãã¨å…±ã« Sc
Google App Engine/Javaã§ã®Scala/Liftアプリケーション開発（後編）
ã¯ã˜ã‚ã« å‰å›žã®ã€ŒGoogle App Engine/Javaã§ã®Scala/Liftアプリケーション開発（å‰ç·¨ï¼‰ã€ã§ã¯ã€Google App Engine（GAE）Javaã§Liftアプリケーションを利用ã™ã‚‹åŸºæœ¬çš„ãªæ–¹æ³•ã‚’解説ã—ã¾ã—ãŸã€‚ 後編ã§ã‚る本稿ã§ã¯ã€å‰å›žä½œæˆã—ãŸã‚¤ãƒ™ãƒ³ãƒˆç®¡ç†ã‚¢ãƒ—リケーションã«æ©Ÿèƒ½è¿½åŠ ã‚’è¡Œã„ãªãŒã‚‰ã€GoogleãŒæä¾›ã™ã‚‹emailサービスやスケジュールサービス（cron）ã€TaskQueue（éžåŒæœŸãƒãƒƒã‚¯ã‚°ãƒ©ã‚¦ãƒ³ãƒ‰å‡¦ç†ï¼‰ãªã©ã‚’利用ã—ã¦ã‚¢ãƒ—リケーションを構築ã™ã‚‹æ–¹æ³•ã«ã¤ã„ã¦èª¬æ˜Žã—ã¾ã™ã€‚ ã¾ãŸã€ã“ã‚Œã¾ã§èª¬æ˜Žã—ã¦ã„ãªã‹ã£ãŸLiftViewã«ã‚ˆã‚‹ãƒ†ãƒ³ãƒ—レートを利用ã—ãªã„レスãƒãƒ³ã‚¹ã®ç”Ÿæˆã‚„ã€ã‚«ã‚¹ã‚¿ãƒ ディスパッãƒã§ä»»æ„ã®URLã®å‡¦ç†ã‚’è¡Œã†æ–¹æ³•ã‚‚紹介ã—ã¾ã™ã€‚ 対象èªè€… Javaã¯çŸ¥ã£ã¦ã„ã‚‹ãŒã€Scalaã‚‚å¦ã‚“ã§ã¿ãŸã„ã¨æ€ã£ã¦ã„ã‚‹æ–¹ Scalaã§ã®Webアプリケーション開発ã«èˆˆå‘³ãŒ
Akka Project
Simpler Scalability, Fault-Tolerance, Concurrency & Remoting through Actors Simpler Concurrency Write simpler concurrent (yet correct) applications using Actors, STM & Transactors. Event-driven Architecture The perfect platform for asynchronous event-driven architectures. Never block. True Scalability Scale out on multi-core or multiple nodes using asynchronous message passing. Fault-tolerance Emb
Modegramming Style
モデル駆動開発ã®ã‚¨ã‚³ã‚·ã‚¹ãƒ†ãƒ を支ãˆã‚‹ã‚ーパーツã¨ã—ã¦ã€Webアプリケーション・フレームワークã®Cozy Webを開発ã—ã¦ãã¾ã—ãŸã€‚ 今回ã‹ã‚‰Cozyを使用ã—ãŸãƒ¢ãƒ‡ãƒ«é§†å‹•é–‹ç™ºã«ã¤ã„ã¦å…·ä½“çš„ã«è€ƒãˆã¦ã„ããŸã„ã¨æ€ã„ã¾ã™ã€‚ Cozyã¯ç¾åœ¨é–‹ç™ºé€”ä¸ã§ã™ãŒã€ãƒ¢ãƒ‡ãƒ«é§†å‹•é–‹ç™ºã«å¿…è¦ãªæ©Ÿèƒ½ã‚’æ‹¡å¼µã—ã¦ã„ã上ã§ã©ã®ã‚ˆã†ãªæ©Ÿèƒ½ãŒå¿…è¦ã‹ã®æ´—ã„出ã—ãŒç›®çš„ã§ã™ã€‚è¦æ±‚モデルã«ãŠã‘るユースケース分æžçš„ãªã‚¢ãƒ—ãƒãƒ¼ãƒã§ã™ã。 Essenceã¨ã„ã†OMGãŒæ¨™æº–化ã—ã¦ã„る開発方法論フレームワークã®æž 組ã¿ã€ç”¨èªžã‚’使用ã—ã¦è€ƒãˆã¦ã„ãã“ã¨ã«ã—ã¾ã™ã€‚ 実際ã®æ¤œè¨Žã«å…¥ã‚‹å‰ã«ã€ä»Šå›žã¯é–‹ç™ºæ–¹æ³•è«–を記述ã™ã‚‹è¨€èªžã¨ã—ã¦ä½¿ç”¨ã™ã‚‹Essenceã«ã¤ã„ã¦ã¿ã¦ã„ãã¾ã™ã€‚ EssenceEssenceã¯Software Engineering Methods and Theoryã¨Object Management Group®ã«ã‚ˆã£ã¦ä½œæˆã•ã‚ŒãŸé–‹ç™ºæ–¹æ³•è«–ã®
Google App Engine/Javaã«ã‚ˆã‚‹Scala/Liftアプリケーション開発（å‰ç·¨ï¼‰
ã¯ã˜ã‚ã« Google App Engine（GAE）/Javaã§ã¯ã€Java仮想マシン上ã§å‹•ä½œã™ã‚‹è¨€èªžã‚’利用ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚例ãˆã°ã€JRubyã‚„Groovyãªã©ã§ã™ã€‚ Scalaã‚‚ã€ã‚³ãƒ³ãƒ‘イルã™ã‚‹ã“ã¨ã«ã‚ˆã‚ŠJava仮想マシン上ã§å‹•ä½œã™ã‚‹ã‚¯ãƒ©ã‚¹ãƒ•ã‚¡ã‚¤ãƒ«ã‚’生æˆã™ã‚‹è¨€èªžã§ã™ã®ã§ã€å½“然ã€GAE/Java上ã§å‹•ä½œã•ã›ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ ScalaãŒå‹•ä½œã™ã‚‹ã¨ã„ã†ã“ã¨ã¯ã€Scalaã§ã§ãã¦ã„ã‚‹Webアプリケーションフレームワークã§ã‚ã‚‹Liftã‚’å…ƒã«ä½œæˆã•ã‚ŒãŸã‚¢ãƒ—リケーションをã€GAE/Javaã«è¼‰ã›ã‚‹ã“ã¨ãŒã§ãã‚‹ã¨ã„ã†ã“ã¨ã§ã™ã€‚ å‰å¾Œç·¨ã§æ§‹æˆã•ã‚Œã‚‹æœ¬é€£è¼‰ã§ã¯ã€ScalaãŠã‚ˆã³Liftã‚’GAE/Java上ã§å‹•ä½œã•ã›ã‚‹æ–¹æ³•ã‚’解説ã—ãŸå¾Œã€ã‚µãƒ³ãƒ—ルアプリケーションã§GoogleãŒæä¾›ã™ã‚‹ã•ã¾ã–ã¾ãªAPIを利用ã—ãŸã€GAEãªã‚‰ã§ã¯ã®ã‚¢ãƒ—リケーションを作æˆã—ã¦ã€GAEã§ã®ã‚¢ãƒ—リケーション作æˆã®ã‚¤ãƒ¡ãƒ¼ã‚¸ã‚’ã¤ã‹
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Squeryl - A Scala ORM for SQL Databases:
http://blogs.sun.com/sundararajan/entry/scala_for_java_programmers
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