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JavaOne2015フィードバック @ 富山合同勉強会

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2015年10月に開催されたJavaOne2015のフィードバックです。2016年1月30日 富山合同勉強会で発表させていただきました。

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JavaOne2015フィードバック @ 富山合同勉強会

  1. 1. JavaOne 2015 フィードバック 日本オラクル株式会社 クラウド・テクノロジー事業統括 Fusion Middleware事業統括本部 伊藤 敬 Jan. 30th, 2016 Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | #j1jp
  2. 2. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | Safe Harbor Statement The following is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. The development, release, and timing of any features or functionality described for Oracle’s products remains at the sole discretion of Oracle. 3 本資料では櫻庭さんが公開されている画像をいくつか(たくさん)お借りしています。ありがとうございます。
  3. 3. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | Agenda JavaOne 2015 キーノートフィードバック & キーワード Java EE 8 アップデート 1 2
  4. 4. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 5 Java 20周年を祝う JavaOne 2015 San Francisco
  5. 5. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 6 JavaOne Keynote Speakers: Georges Saab, VP of Development, Java Platform
  6. 6. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 7 Mark Reinhold, Chief Architect
  7. 7. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 8 Mike Lehmann, VP of Product Management
  8. 8. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | Oracle Confidential – Internal/Restricted/Highly Restricted 9 Special Guest
  9. 9. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 10 久々のJavaOne Keynote 日本からの登壇: 楽天株式会社 岩崎さん&Arshalさん
  10. 10. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | Java開発者と市場の拡大 11 • 全世界で1,000万人のJava開発者 • 最も多くの開発者が選択するテクノロジー • 130億のJavaデバイス • 2億台の医療用デバイスでJavaが活用 • 100億台の車載デバイスでJavaが活用 • 全世界のデスクトップPCの97%でJavaが活用
  11. 11. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 12 openjdk.java.net 136% 実際に活動する コミッターの増加 since 2010
  12. 12. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 13 104% Javaユーザー・グループの増加 since 2010 55% Java Championの増加 since 2010 16% 非営利団体の増加 since 2014
  13. 13. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | メンバーシップJCPへの参画拡大 'If you want to go fast, go alone. If you want to go far, go together' • 誰でも参加可能 • アクティブなメンバーシップ数:約750 • jcp.orgのメーリングリストに登録しているユーザー数:約3,700 • 会費 – 個人:無料 – Javaユーザー・グループ:無料 – 非営利団体:無料 – 営利団体:年間5,000ドル 会費を免除することが決定 JSR364で無償化する規定を策定中 14
  14. 14. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | JavaOne 2015 キーワードご紹介 Oracle Confidential – Internal/Restricted/Highly Restricted 15
  15. 15. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 16 番外: 11 Japanese Speakers!
  16. 16. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 17 JavaOne2015 キーワード① : Internet of Things
  17. 17. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 18 ラジコンカーによる車載Javaのデモ@展示会場
  18. 18. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 19 ドローンとJavaのデモ
  19. 19. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | Java ME Embedded 8: インテリジェント・エッジデバイスの実現 Java開発者によるイノベーションとIoTシステムの実現を加速 20 Embedded-Ready Oracle IoT Cloud Service Java Developers Intelligent Edge Partners
  20. 20. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 21 JavaOne 2015 キーワード②: DevOps
  21. 21. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | Oracle Confidential – Internal/Restricted/Highly Restricted 22
  22. 22. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | Oracle Confidential – Internal/Restricted/Highly Restricted 23
  23. 23. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | Oracle Confidential – Internal/Restricted/Highly Restricted 24
  24. 24. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | Oracle Confidential – Internal/Restricted/Highly Restricted 25
  25. 25. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 26
  26. 26. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | Oracle Confidential – Internal/Restricted/Highly Restricted 27 JavaOne キーワード③:Microservices
  27. 27. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 28 Gilt.com
  28. 28. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 29 Gilt.com 毎日昼12時からセールを実施:アクセスの集中
  29. 29. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 30 2011まではJava EEベースのシステムを運用
  30. 30. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 2015 – Microservices導入 31
  31. 31. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | Oracle Confidential – Internal/Restricted/Highly Restricted 32
  32. 32. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | Oracle Confidential – Internal/Restricted/Highly Restricted 33
  33. 33. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | Oracle Confidential – Internal/Restricted/Highly Restricted 34
  34. 34. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | Oracle Confidential – Internal/Restricted/Highly Restricted 35
  35. 35. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | Java EE 8 アップデート 36
  36. 36. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | Java Specification Request ステータス JSR 366 – Java EE 8 Platform Early Draft Review (EDR) JSR 369 – Servlet 4.0 – HTTP/2 EDR JSR 365 – CDI 2.0 – CDI for Java SE, modularity & events EDR 完了 JSR 367 – JSON-B 1.0 – JSON Binding for Java Objects EDR 完了 JSR 371 – MVC 1.0 – Model View Controller, Action-Based, HTML framework EDR JSR 368 – JMS 2.1 – MDB Improvements, CDI Managed Bean integration EDR JSR 372 – JSF 2.3 – Integration with WebSocket, MVC, CDI, Java 8 DateTime EDR JSR 374 – JSON-P 1.1 – Query enhancements, Java SE 8 improvements EDR 完了 JSR 375 – Security 1.0 – Simplifications, Cloud enhancements Early Draft策定中 JSR 370 – JAX-RS 2.1 – NIO, Server-Sent Events Early Draft策定中 JSR 373 – Management 2.0 – REST based Management Early Draft策定中 Java EE 8 仕様策定の状況 (as of 25/10/2015) 37
  37. 37. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | Java EE 8 主要テーマ • HTML5 / Web Tier 機能拡張 • 開発をより容易に / CDI のさらなる活用 • クラウドの実行・管理環境化 As of today…
  38. 38. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | HTML5のサポート / Web Tier機能拡張 • JSON Binding • JSON Processing 機能拡張 • Action-based MVC • HTTP/2のサポート – Servlet 4.0 • Server-sent Events – JAX-RS 2.1
  39. 39. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | Oracle Confidential – Internal/Restricted/Highly Restricted 40
  40. 40. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | JSON-B • Javaオブジェクト / JSON間のマーシャル/アンマーシャルを実現するAPI – XMLのJAXBランタイムAPIと類似 • 既存のJSON Binding実装の成果を活用 – MOXy, Jackson, GSON, Genson, Xstream, … – JSON Bindingプロバイダの変更を可能にする 41 Java API for JSON Binding
  41. 41. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | JSON-B 1.0 @Entity public class Person { @Id String name; String gender; @ElementCollection Map<String,String> phones; ... // getters and setters } Person duke = new Person(); duke.setName("Duke"); duke.setGender("M"); phones = new HashMap<String,String>(); phones.put("home", "650-123-4567"); phones.put("mobile", "650-234-5678"); duke.setPhones(phones); Jsonb jsonb = JsonbBuilder.create(); jsonb.toJson(duke, System.out) ; { "name":"Duke", "gender":"M", "phones":{ "home":"650-123-4567", "mobile":"650-234-5678"} }
  42. 42. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | JSON-P 1.1 • JSON-Pointer – IETF RFC 6901 – JSON文書の中の特定の値を参照するための文字列の構文を規定する "/0/phones/mobile" 新しい標準への対応
  43. 43. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | JSON-P 1.1 JsonArray contacts = Json.createArrayBuilder() .add(Json.createObjectBuilder() .add("name", "Duke") .add("gender", "M") .add("phones", Json.createObjectBuilder() .add("home", "650-123-4567") .add("mobile", "650-234-5678"))) .add(Json.createObjectBuilder() .add("name", "Jane") .add("gender", "F") .add("phones", Json.createObjectBuilder() .add("mobile", "707-555-9999"))) .build(); [ { "name":"Duke", "gender":"M", "phones":{ "home":"650-123-4567", "mobile":"650-234-5678"}}, { "name":"Jane", "gender":"F", "phones":{ "mobile":"707-555-9999"}} ]
  44. 44. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | JSON-P 1.1 JsonArray contacts = ...; JsonPointer p = new JsonPointer("/0/phones/mobile"); JsonValue v = p.getValue(contacts); [ { "name":"Duke", "gender":"M", "phones":{ "home":"650-123-4567", "mobile":"650-234-5678"}}, { "name":"Jane", "gender":"F", "phones":{ "mobile":"707-555-9999"}} ]
  45. 45. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | JSON-P 1.1 JsonArray contacts = ...; JsonPointer p = new JsonPointer("/0/phones/mobile"); contacts = p.replace(contacts, "650-555-1212"); [ { "name":"Duke", "gender":"M", "phones":{ "home":"650-123-4567", "mobile":"650-234-5678"}}, { "name":"Jane", "gender":"F", "phones":{ "mobile":"707-555-9999"}} ]
  46. 46. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | JSON-P 1.1 JsonArray contacts = ...; JsonPointer p = new JsonPointer("/0/phones/mobile"); contacts = p.replace(contacts, "650-555-1212"); [ { "name":"Duke", "gender":"M", "phones":{ "home":"650-123-4567", "mobile":"650-555-1212"}}, { "name":"Jane", "gender":"F", "phones":{ "mobile":"707-555-9999"}} ]
  47. 47. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | JSON-P 1.1 • JSON-Patch – IETF RFC 6902 • Patch is a JSON document – JSONドキュメントを修整するためのオブジェクト / 処理の配列 – add, replace, remove, move, copy, test – 必ず “op” フィールドと “path” フィールドが必要 [ {"op":"replace", "path":"/0/phones/mobile", "value":"650-111-2222"}, {"op":"remove", "path":"/1"} ] 新しい標準への対応
  48. 48. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | JSON-P 1.1 JsonPatchBuilder builder = new JsonPatchBuilder(); JsonArray patch = builder.replace("0/phones/mobile", "650-111-2222") .remove("/1") .build(); [ { "name":"Duke", "gender":"M", "phones":{ "home":"650-123-4567", "mobile":"650-234-5678"}}, { "name":"Jane", "gender":"F", "phones":{ "mobile":"707-555-9999"}} ]
  49. 49. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | JSON-P 1.1 JsonPatchBuilder builder = new JsonPatchBuilder(); JsonArray patch = builder.replace("0/phones/mobile", "650-111-2222") .remove("/1") .build(); JsonArray result = patch.apply(contacts); [ { "name":"Duke", "gender":"M", "phones":{ "home":"650-123-4567", "mobile":"650-111-2222"}}, { "name":"Jane", "gender":"F", "phones":{ "mobile":"707-555-9999"}} ]
  50. 50. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | JSON-P 1.1 JsonPatchBuilder builder = new JsonPatchBuilder(); JsonArray patch = builder.replace("0/phones/mobile", "650-111-2222") .remove("/1") .build(); JsonArray result = patch.apply(contacts); [ { "name":"Duke", "gender":"M", "phones":{ "home":"650-123-4567", "mobile":"650-111-2222"}} ]
  51. 51. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | Model View Controller (MVC) • Component-based MVC – コンポーネントフレームワークを活用するタイプ – Controller はフレームワークが提供する – JSF, Wicket, Tapestry… • Action-based MVC – Controllerはアプリケーションで定義される – Struts 2, Spring MVC… 2つのタイプ
  52. 52. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | MVC 1.0 • アクション・ベースのModel-View-Controller アーキテクチャの追加 • 既存のJava EEテクノロジーを組み合わせて実現: – Model • CDI, Bean Validation, JPA – View • Facelets, JSP – Controller • JAX-RS リソースメソッド
  53. 53. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 54 JSP, FaceletsCDI Bean JAX-RS Resource Methods Bean Validation
  54. 54. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | MVC 1.0 @Path("hello") public class HelloController { @Inject private Greeting greeting; @GET @Controller public String hello() { greeting.setMessage("Hello there!"); return "hello.jsp"; } } JAX-RS controller
  55. 55. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | MVC 1.0 @Path("hello") public class HelloController { @Inject private Greeting greeting; @GET @Controller public String hello() { greeting.setMessage("Hello there!"); return "hello.jsp"; } } JAX-RS controller Model @Named @RequestScoped public class Greeting { private String message; public String getMessage() { return message; } public void setMessage(message) { this.message = message; } }
  56. 56. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | MVC 1.0 <%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>Hello</title> </head> <body> <h1>${greeting.message}</h1> </body> </html> View
  57. 57. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | HTTP/2 • 一つのTCP接続を多重化 • リクエストは “Stream"と呼ば れるデータ単位で送受信 – 多重化 – Stream単位で重み付け • バイナリフレームレイヤ –Server Push • ヘッダ圧縮 Multiplexed Binary Frames POST /upload HTTP/1.1 Host: www.test.com Content-Type: application/json Content-Length: 15 {“name”:“duke”} HTTP 1.1 HTTP/2 HEADERS frame DATA frame
  58. 58. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | HTTP/2 サーバプッシュ client server .html .js .png .css • SSE/WebSocketとは用途が異なる • 関連リソースをサーバプッシュ • htmlの要求がきたら • 関連のjs, png, css もプッシュする
  59. 59. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 60
  60. 60. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | Servlet 4.0 HTTP/2 サーバプッシュのサンプル public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { PushBuilder builder = request.getPushBuilder(); builder.setPath(“/style.css”); builder.push(); res.setContentType(“text/html”); PrintWriter out = res.getPrintWriter(); out.println(“<html>”); out.println(“<head>”) out.println(“<link rel=¥”stylesheet¥” type=¥”text/css¥” href=¥“style.css¥”>”); … }
  61. 61. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 開発をより容易に • CDI 活用範囲の拡大 • Security インターセプタ • JMS : Message-Driven Beanのメッセージ処理を簡素化 • JAX-RS injection の導入 • WebSocket スコープ • Pruning - EJB 2.x client view, IIOPとの互換性 62
  62. 62. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | CDI 2.0 • Modularity • Java SE support • Asynchronous Events • Event ordering • … 利用範囲の拡大と機能強化 63 http://www.slideshare.net/dblevins1/2015-javaone-ejbcdi-alignment
  63. 63. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 64 https://published-rs.lanyonevents.com/published/oracleus2015/sessionsFiles/2550/CON2391_Paumard- The%20Path%20to%20CDI%202.0.pdf
  64. 64. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 65
  65. 65. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 66
  66. 66. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 67
  67. 67. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | Java EE仕様策定に貢献しませんか?? • Adopt a JSR – http://glassfish.org/adoptajsr • Join an Expert Group project – http://javaee-spec.java.net – https://java.net/projects/javaee-spec/pages/Specifications • The Aquarium – http://blogs.oracle.com/theaquarium • Java EE 8 Reference Implementation – http://glassfish.org 興味ある方は是非参画ください!!!
  68. 68. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | 69 JavaOne 2016に行こう!

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