1º meetup de Java & Nuvem para Setor Público.

1. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
Java @ Cloud – 1º meetup - Gov SP

2. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
Quem vos fala…
2
{
name : “Ilan Salviano",
title : “Solution Specialist",
location : “Brasília, BR”
company : “Oracle”
email : ilan.salviano@oracle.com
twitter : “@ilansalviano”
xbox : ”Ilan MoFo”
}

3. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | 3
Declaração de Salvaguarda
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.
Este documento visa descrever nossa direção geral em termos de produtos. Por destinar-se a fins exclusivamente
informativos, não poderá ser incorporado a nenhum contrato. Este documento não consiste em compromisso de
entregar nenhum material, código ou funcionalidade, tampouco deve servir de base para decisões de compras. O
desenvolvimento, a liberação e a coordenação de recursos ou funcionalidades dos produtos Oracle aqui descritas
permanecem sob exclusivo critério da Oracle.

4. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
Java news update
4

5. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | 5
1. Process API Updates
2. HTTP 2 Client
3. Improve Contended Locking
4. Unified JVM Logging
5. Compiler Control
6. Variable Handles
7. Segmented Code Cache
8. Smart Java Compilation, Phase Two
9. The Modular JDK
10. Modular Source Code
11. Elide Deprecation Warnings on Import Statements
12. Resolve Lint and Doclint Warnings
13. Milling Project Coin
14. Remove GC Combinations Deprecated in JDK 8
15. Tiered Attribution for javac
16. Process Import Statements Correctly
17. Annotations Pipeline 2.0
18. Datagram Transport Layer Security (DTLS)
19. Modular Run-Time Images
20. Simplified Doclet API
21. jshell: The Java Shell (Read-Eval-Print Loop)
22. New Version-String Scheme
23. HTML5 Javadoc
24. Javadoc Search
25. UTF-8 Property Files
26. Unicode 7.0
27. Add More Diagnostic Commands
28. Create PKCS12 Keystores by Default
29. Remove Launch-Time JRE Version Selection
30. Improve Secure Application Performance
31. Generate Run-Time Compiler Tests Automatically
32. Test Class-File Attributes Generated by javac
33. Parser API for Nashorn
34. Linux/AArch64 Port
35. Multi-Release JAR Files
36. Remove the JVM TI hprof Agent
37. Remove the jhat Tool
38. Java-Level JVM Compiler Interface
39. TLS Application-Layer Protocol Negotiation Extension
40. Validate JVM Command-Line Flag Arguments
41. Leverage CPU Instructions for GHASH and RSA
42. Compile for Older Platform Versions
43. Make G1 the Default Garbage Collector
44. OCSP Stapling for TLS
45. Store Interned Strings in CDS Archives
46. Multi-Resolution Images
47. Use CLDR Locale Data by Default
48. Prepare JavaFX UI Controls & CSS APIs for Modularization
49. Compact Strings
50. Merge Selected Xerces 2.11.0 Updates into JAXP
51. BeanInfo Annotations
52. Update JavaFX/Media to Newer Version of GStreamer
53. HarfBuzz Font-Layout Engine
54. Stack-Walking API
55. Encapsulate Most Internal APIs
56. Module System
57. TIFF Image I/O
58. HiDPI Graphics on Windows and Linux
59. Platform Logging API and Service
60. Marlin Graphics Renderer
61. More Concurrency Updates
62. Unicode 8.0
63. XML Catalogs
64. Convenience Factory Methods for Collections
65. Reserved Stack Areas for Critical Sections
66. Unified GC Logging
67. Platform-Specific Desktop Features
68. DRBG-Based SecureRandom Implementations
69. Enhanced Method Handles
70. Modular Java Application Packaging
71. Dynamic Linking of Language-Defined Object Models
72. Enhanced Deprecation
73. Additional Tests for Humongous Objects in G1
74. Improve Test-Failure Troubleshooting
75. Indify String Concatenation
76. HotSpot C++ Unit-Test Framework
77. jlink: The Java Linker
78. Enable GTK 3 on Linux
79. New HotSpot Build System
80. Spin-Wait Hints
81. SHA-3 Hash Algorithms
82. Disable SHA-1 Certificates
83. Deprecate the Applet API: Filter Incoming Serialization Data
84. Deprecate the Concurrent Mark Sweep (CMS) Garbage
Collector
85. Implement Selected ECMAScript 6 Features in Nashorn
86. Linux/s390x Port
87. Ahead-of-Time Compilation
88. Unified arm32/arm64 Port
89. Remove Demos and Samples
90. Reorganize Documentation
http://openjdk.java.net/projects/jdk9/
Novidades, melhorias, aposentadorias, etc…

6. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | 6
• Modularity
• Developer Convenience
• Strings
• Diagnostics
• JVM options
• Logging
• Javadoc
• JavaScript/HTTP
• Native Platform
• JavaFX
Destaques IMHO :

7. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | 7
• Modularity
• Developer Convenience
• Strings
• Diagnostics
• JVM options
• Logging
• Javadoc
• JavaScript/HTTP
• Native Platform
• JavaFX
Destaques IMHO :
hello-jigsaw
└── mods
│ └── br.com.ilan.jigsaw
│ ├── br
│ │ └── com
│ │ └── ilan
│ │ └── jigsaw
│ │ └── JigSaw.class
│ └── module-info.class
└── src
└── br.com.ilan.jigsaw
├── br
│ └── com
│ └── ilan
│ └── jigsaw
│ └── JigSaw.java
└── module-info.java
package br.com.ilan.jigsaw;
class JigSaw {
public static void main (String... args) {
System.out.println(”Hello from Java 9!");
}
}
java –module-path mods/ -m br.com.ilan.jigsaw/br.com.ilan.jigsaw.JigSaw

8. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | 8
• Modularity
• Developer Convenience
• Strings
• Diagnostics
• JVM options
• Logging
• Javadoc
• JavaScript/HTTP
• Native Platform
• JavaFX
Destaques IMHO :
• -Xloggc -> Padronização de todos os logs dos sistemas da JVM
• G1 agora é o default GC da JVM. Parallel GC era o antigo.
• Pequena lista das options removidas:
-XX:-UseParNewGC -XX:+UseConcMarkSweepGC
-XX:+UseParNewGC
-Xincgc
-XX:+CMSIncrementalMode -XX:+UseConcMarkSweepGC
-XX:+CMSIncrementalMode -XX:+UseConcMarkSweepGC -XX:-UseParNewGC
-XX:+UseCMSCompactAtFullCollection
-XX:+CMSFullGCsBeforeCompaction
-XX:+UseCMSCollectionPassing

9. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | 9
• Modularity
• Developer Convenience
• Strings
• Diagnostics
• JVM options
• Logging
• Javadoc
• JavaScript/HTTP
• Native Platform
• JavaFX
Destaques IMHO :
• HttpURLConnection foi substituída por HttpClient
HttpRequest req = HttpRequest
.create(new URI("http://www.slow.com"))
.body(noBody())
.GET();
CompletableFuture<HttpResponse> aResp = req.sendAsync();
Thread.sleep(10); // use com sabedoria
if (!aResp.isDone()) {
aResp.cancel(true);
System.out.println(”Lento demais..."); return; }
HttpResponse response = aResp.get();

10. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | 10
https://dev.eclipse.org/mailman/listinfo/ee4j-community

11. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | 11
Java na Nuvem

12. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
O que eu mais escuto por ai…
12
15
50
15
20
0 10 20 30 40 50 60
Vou ficar preso ao fornecedor X
Meus dados não estão comigo
Não vou ter liberdade no desenvolvimento
Não vou ter acesso aos meus logs
Preocupações com Nuvem
%

13. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
Por que devo dar atenção à Nuvem ?
13
https://exame.abril.com.br/carreira/estes-sao-os-cargos-de-ti-em-alta-e-em-baixa-no-brasil/
Relatório da HAYS para 2017 no Brasil
Cargos em Alta Cargos em baixa
Especialista em Cloud & DevOps Analista de rede de telefonia
Analista / Gerente Segurança Informação Coordenador / Analista de
infraestrutura não-virtualizada
Analista / engenheiro / cientista de dados

14. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
Tipos de Aplicativos Java na Nuvem
• Cloud Native Apps
– Poliglota, desenvolvimento microserviço baseado em Docker com DevOps integrado
– Utilizando Coherence Cloud, DB RAC Cloud , Multi Data Center/Availability Domains
• Modern Java Apps
– Modernização de Aplicativos Java Corporativos com WebLogic, SOA, BPM (Fusion Middleware) de base
instalada
– Utilizando Coherence Cloud, DB RAC Cloud , Multi Data Center/Availability Domains
• Mobile Apps
– Simplificando Desenvolvimento de iOS/Android/Hybrid com
– Construído com mobile API analytics, API catalog e serviços mobile - push notification, synch, location …
• Apps de Negócio
– Desevolvimento de aplicativos de forma Declarativa com Drag & Drop para o usuário final ”ninja”.
– Pré-integrado para estender o Oracle SaaS com PaaS – HCM, Sales, Service, ERP, Talent, Marketing
14

15. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |
Tipos de Aplicativos Java na Nuvem – Gov.
• Cloud Native Apps
– Poliglota, desenvolvimento microserviço baseado em Docker com DevOps integrado
– Utilizando Coherence Cloud, DB RAC Cloud , Multi Data Center/Availability Domains
• Modern Java Apps
– Modernização de Aplicativos Java Corporativos com WebLogic, SOA, BPM (Fusion Middleware) de base
instalada
– Utilizando Coherence Cloud, DB RAC Cloud , Multi Data Center/Availability Domains
• Mobile Apps
– Simplificando Desenvolvimento de iOS/Android/Hybrid com
– Construído com mobile API analytics, API catalog e serviços mobile - push notification, synch, location …
• Apps de Negócio
– Desevolvimento de aplicativos de forma Declarativa com Drag & Drop para o usuário final ”ninja”.
– Pré-integrado para estender o Oracle SaaS com PaaS – HCM, Sales, Service, ERP, Talent, Marketing
15

16. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | 16
Passo 1
Cloud Native Apps
Criar um Projeto Java
$ mvn archetype:generate -DarchetypeArtifactId=jersey-quickstart-grizzly2 -
DarchetypeGroupId=org.glassfish.jersey.archetypes -DinteractiveMode=false -
DgroupId=com.example -DartifactId=simple-service -Dpackage=com.example -
DarchetypeVersion=2.25.1

17. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | 17
Passo 2
Cloud Native Apps
Preparar App. Cloud Deploy
{
"runtime":{
"majorVersion": "8"
},
"command": "java -jar simple-service-1.0-SNAPSHOT-jar-with-dependencies.jar",
"release": {
"build": "20170113Build",
"commit": "commitString",
"version": "20170113Version"
},
"notes": "REST app for testing"
}
Import java.util.Optional;
…
private static final Optional<String> port = Optional.ofNullable(System.getenv("PORT"));
public static final String BASE_URI = "http://0.0.0.0:"+port.orElse("8080")+"/myapp/";
$ mvn compile package
manifest.json
2.1
2.2
2.3

18. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | 18
Passo 3
Cloud Native Apps
Deploy na nuvem
simple-service-1.0-SNAPSHOT-dist.zip

19. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | 19
Passo 3
Cloud Native Apps
Deploy na nuvem
+/- 15 min.

20. Aplicações Java Web / EE

21. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 21
Java Web / EE

22. Aplicativos Móveis

23. http://www.saude.ba.gov.br/novoportal/index.php?option=com_content&view=article&id=10137:bahia-lanca-
aplicativo-que-permite-mapear-focos-do-mosquito-aedes-aegypti&catid=13:noticias&Itemid=25

24. Service Bus + API

25. O que devo olhar em uma Cloud ?

26. 12200
2700
0
2000
4000
6000
8000
10000
12000
14000
WLS On-Premisse (Price List) WLS @ Cloud
On Premisse vs Nuvem
Preço em $
Preço…

27. Conformidade…
• Acórdão TCU 1739
• Outras leis e normas (Lei 8135, IN-GSI
19, Marco Civil)
• Portaria SLTI 86/14 e Manual de
Orientação para uso de cloud (2016)
(SISP – Poder Executivo)

28. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. |Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | 28

29. Copyright © 2017, Oracle and/or its affiliates. All rights reserved. | 29