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Copyright © 2016, Oracle and/or its affiliates. All rights reserved. |
Java EE, What’s Next?
Anil Gaur
GVP Engineering
Oracle Cloud Platform
Application Development
Copyright © 2016, Oracle and/or its affiliates. All rights reserved.
AppDev is About our Customer’s Entire Portfolio
2
Innovation Software - Find the Next Business
Differentiation Software - Run Current Business
Core Software - Keep the Lights On
Release Hourly
Fail Early
Agile
Business-centric
Top Line Growth
Bespoke Software
Product-based
Release Quarterly
Fail Late
Waterfall
IT-centric
Bottom Line Savings
Packaged Software
Project-based
Copyright © 2016, Oracle and/or its affiliates. All rights reserved.
Copyright © 2015, Oracle and/or its affiliates. All rights reserved. |
Enterprise Application Development Is Changing
3
Rapid Changes Over Past Few Years
4
Microservices
Apps divided into many small pieces
Distributed Computing
Many data centers, AZs, regions, etc.
Polyglot
Java leads but use of others increasing
New Technology
Docker, Cloud, DevOps, etc.
Driven by increasing business needs
How Do We Make This
Easier?
5
Confidential – Oracle
6
Building on the Lessons Learned
12/4/2016 6Copyright © 2016, Oracle and/or its affiliates. All rights reserved.
Use lessons
learned and
successful
implementations
JAX-RS
Servlet
Interceptors
JMS
JSON-PCDI
JTA JPA
WebSocket
Compatible
Application Servers
Be pragmatic
Copyright © 2016, Oracle and/or its affiliates. All rights reserved. |
Java EE APIs - Backbone of Leading Open Source Projects
7
Java EE
Containers
Microservices Web
Containers
Web
Frameworks
PaaSREST
Copyright © 2016, Oracle and/or its affiliates. All rights reserved. |
Cloud Development
Heterogeneous Clients
• Mobile, REST, HTML5
Stateless Services
• Managed and scaled
independently
Data Sources
• Relational, non-relational
User profile
service
Order
service
Partner
service
Catalog
service
Notificatio
n service
Import
service
HTTP/2 REST JSON XML/HTTP
Event JAX-RS/JSON Notifications JAX-WS
RDBMS NoSQL DB XML DBData Streams
Key ValueEventsKey ValueJDBC
8
Copyright © 2016, Oracle and/or its affiliates. All rights reserved. |
It’s Confusing!
Too many choices....
Which components?
Overall architecture?
Standards?
Vendor commitment?
Copyright © 2016, Oracle and/or its affiliates. All rights reserved. |
Proposed Enhancements for Java Enterprise Edition
• New AppDev style for Cloud and
Microservices
• Build on proven technologies
• Comprehensive
– Programming Model, Packaging,
Portability
• Standards-based
– This is a proposal only
– Will work with the community and
follow the JCP process
10
Copyright © 2016, Oracle and/or its affiliates. All rights reserved. |
Designed for Agility and Scalability with Security
• Programming model
– Extend for reactive programming
– Unified event model, event messaging API
– JAX-RS, HTTP/2, Lambda, JSON-B, …
• Eventual consistency
– Automatically event out changes to observed data structures
• Key value/document store
– Persistence and query interface for Key Value and Document DB
• Security
– Secret management
– OAuth/OpenID support
11
App
App
App
App
Copyright © 2016, Oracle and/or its affiliates. All rights reserved. |
Location Transparency and Resiliency
• Configuration
– Separate service packaging and configuration
– API for external configuration
• State
– API for external state
• Resiliency
– Circuit breakers
– Resilient commands
– Standardized health reporting
12
Reliability, Monitoring
Container Management
Scheduling & Elastic Scaling
Key Value
Database
Logging
Config
State
Security
Notification
User profile
service
Order
service
Catalog
service
Copyright © 2016, Oracle and/or its affiliates. All rights reserved. |
Packaging for Simplicity
• Packaging – Docker model
– Package applications, runtimes into containers
– Separate service package and configuration
– Standalone immutable executable binary
– Multi-artifact archives, leveraging Java 9
• Serverless
– New spec – interfaces, packaging format, manifest
– Ephemeral instantiation
• Multitenancy
– Increased density
– Tenant-aware routing and deployment
13
App
Server
Order
service
App
Server
Catalog
service
App
Server
User profile
service
Copyright © 2016, Oracle and/or its affiliates. All rights reserved. | 14
Platform Architecture
Orchestration – Deployment, Scheduling, and Standup
BareMetal
Orchestration
Deployment
Manager
Local Service Impls
Additional Local Classfiles
Java EE
Cloud Native App
Container
Container
Container
Java EE
Cloud Native App
JLink
Local Service Impls
Additional Local Classfiles
Java EE
Cloud Native App
With Just Enough
Container
Container
Container
Java EE
Cloud Native App
Copyright © 2016, Oracle and/or its affiliates. All rights reserved. | 15
Platform Architecture
Orchestration – Inspection, Injection, and Wiring
BareMetal
Orchestration
Container
Config
Cache
Logging
Platform Services
Service
Registry
Java EE
Cloud Native App
Java EE Cloud Native App
@Config
@Cache
@Logging
@Service Name
Impl
Impl
Impl
Impl
Copyright © 2016, Oracle and/or its affiliates. All rights reserved. |
Recent Java EE 7 compatibility updates: Congratulations!Technical Focus Areas
 Extend for reactive
programming
 Unified event model
 Event messaging API
 JAX-RS, HTTP/2,
Lambda, JSON-B, ...
Programming Model
 API to store
externalized state
State
 Automatically event out
changes to observed
data structures
Eventual Consistency
 Extension to support
client-side circuit
breakers
 Resilient commands
 Standardize on client-
side format for
reporting health
Resiliency
 New spec – interfaces,
packaging format,
manifest
 Ephemeral
instantiation
Serverless
 Secret management
 OAuth
 OpenID
Security Package applications,
runtimes into services
 Standalone immutable
executable binary
 Multi-artifact archives
Packaging
 Increased density
 Tenant-aware routing
and deployment
Multitenancy
 Externalize
configuration
 Unified API for
accessing configuration
Configuration
 Persistence and query
interface for key value
and document DB
Key Value/Doc Store
16
Copyright © 2016, Oracle and/or its affiliates. All rights reserved. |
Proposed Platform Architecture
Java EE Packaging, Serverless, Multitenancy
OS / Hypervisor
Container Runtime
Java SE Runtime
Java EE Runtime
Programming Model
API Gateway
Load Balancer
HTTP/2
JSON-B
Event API
REST API
Security API State API Config API
Eventual
Consistency
Resiliency
Key Value
Store API
17
Key Value
Database
Logging
Config
State
Security
Notification
Reliability,Monitoring
ManagementandOrchestration
SchedulingandElasticScaling
Copyright © 2016, Oracle and/or its affiliates. All rights reserved. | 18
Java EE 7
Connector JAXBJSP Debugging
Managed BeansJSPConcurrency EE Interceptors JAX-WS WebSocket
Bean Validation JASPIC ServletJMS JTADeployment
Batch JACCDependency
Injection JAXR JSTL Management
CDI EJB JAX-RPC Web ServicesJSF JPA
JSON-PCommon
Annotations EL JAX-RS Web Services
MetadataJavaMail
Copyright © 2016, Oracle and/or its affiliates. All rights reserved. | 19
Java EE 8 (Revised Proposal, 2016)
Connector JAXBJSP Debugging
Managed BeansJSPConcurrency EE Interceptors JAX-WS WebSocket
Bean Validation JASPIC ServletJMS JTADeployment
Batch JACCDependency
Injection JAXR JSTL Management
CDI EJB JAX-RPC Web ServicesJSF JPA
Common
Annotations EL JAX-RS Web Services
MetadataJavaMail
CDI
JSON-B Security
Bean Validation
JSF
JAX-RS JSON-P
Servlet
JSP
Copyright © 2016, Oracle and/or its affiliates. All rights reserved. | 20
Engage Java EE Community
• Feedback through Survey
• Launch Java EE Next JSRs
2016
Java EE 8
• Specs, RI, TCK complete
• Initial microservices support
• Define Java EE 9
• Early access implementation
of Java EE 9
Java EE 9
• Specs, RI, TCK complete
• Modular Java EE runtime
• Enhanced microservices
support
Java EE Roadmap
2017
2018
Copyright © 2016, Oracle and/or its affiliates. All rights reserved. |
Java EE, What’s Next?
Anil Gaur
GVP Engineering
Oracle Cloud Platform
Application Development

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Java EE, What's Next? by Anil Gaur

  • 1. Copyright © 2016, Oracle and/or its affiliates. All rights reserved. | Java EE, What’s Next? Anil Gaur GVP Engineering Oracle Cloud Platform Application Development
  • 2. Copyright © 2016, Oracle and/or its affiliates. All rights reserved. AppDev is About our Customer’s Entire Portfolio 2 Innovation Software - Find the Next Business Differentiation Software - Run Current Business Core Software - Keep the Lights On Release Hourly Fail Early Agile Business-centric Top Line Growth Bespoke Software Product-based Release Quarterly Fail Late Waterfall IT-centric Bottom Line Savings Packaged Software Project-based Copyright © 2016, Oracle and/or its affiliates. All rights reserved.
  • 3. Copyright © 2015, Oracle and/or its affiliates. All rights reserved. | Enterprise Application Development Is Changing 3
  • 4. Rapid Changes Over Past Few Years 4 Microservices Apps divided into many small pieces Distributed Computing Many data centers, AZs, regions, etc. Polyglot Java leads but use of others increasing New Technology Docker, Cloud, DevOps, etc. Driven by increasing business needs
  • 5. How Do We Make This Easier? 5
  • 6. Confidential – Oracle 6 Building on the Lessons Learned 12/4/2016 6Copyright © 2016, Oracle and/or its affiliates. All rights reserved. Use lessons learned and successful implementations JAX-RS Servlet Interceptors JMS JSON-PCDI JTA JPA WebSocket Compatible Application Servers Be pragmatic
  • 7. Copyright © 2016, Oracle and/or its affiliates. All rights reserved. | Java EE APIs - Backbone of Leading Open Source Projects 7 Java EE Containers Microservices Web Containers Web Frameworks PaaSREST
  • 8. Copyright © 2016, Oracle and/or its affiliates. All rights reserved. | Cloud Development Heterogeneous Clients • Mobile, REST, HTML5 Stateless Services • Managed and scaled independently Data Sources • Relational, non-relational User profile service Order service Partner service Catalog service Notificatio n service Import service HTTP/2 REST JSON XML/HTTP Event JAX-RS/JSON Notifications JAX-WS RDBMS NoSQL DB XML DBData Streams Key ValueEventsKey ValueJDBC 8
  • 9. Copyright © 2016, Oracle and/or its affiliates. All rights reserved. | It’s Confusing! Too many choices.... Which components? Overall architecture? Standards? Vendor commitment?
  • 10. Copyright © 2016, Oracle and/or its affiliates. All rights reserved. | Proposed Enhancements for Java Enterprise Edition • New AppDev style for Cloud and Microservices • Build on proven technologies • Comprehensive – Programming Model, Packaging, Portability • Standards-based – This is a proposal only – Will work with the community and follow the JCP process 10
  • 11. Copyright © 2016, Oracle and/or its affiliates. All rights reserved. | Designed for Agility and Scalability with Security • Programming model – Extend for reactive programming – Unified event model, event messaging API – JAX-RS, HTTP/2, Lambda, JSON-B, … • Eventual consistency – Automatically event out changes to observed data structures • Key value/document store – Persistence and query interface for Key Value and Document DB • Security – Secret management – OAuth/OpenID support 11 App App App App
  • 12. Copyright © 2016, Oracle and/or its affiliates. All rights reserved. | Location Transparency and Resiliency • Configuration – Separate service packaging and configuration – API for external configuration • State – API for external state • Resiliency – Circuit breakers – Resilient commands – Standardized health reporting 12 Reliability, Monitoring Container Management Scheduling & Elastic Scaling Key Value Database Logging Config State Security Notification User profile service Order service Catalog service
  • 13. Copyright © 2016, Oracle and/or its affiliates. All rights reserved. | Packaging for Simplicity • Packaging – Docker model – Package applications, runtimes into containers – Separate service package and configuration – Standalone immutable executable binary – Multi-artifact archives, leveraging Java 9 • Serverless – New spec – interfaces, packaging format, manifest – Ephemeral instantiation • Multitenancy – Increased density – Tenant-aware routing and deployment 13 App Server Order service App Server Catalog service App Server User profile service
  • 14. Copyright © 2016, Oracle and/or its affiliates. All rights reserved. | 14 Platform Architecture Orchestration – Deployment, Scheduling, and Standup BareMetal Orchestration Deployment Manager Local Service Impls Additional Local Classfiles Java EE Cloud Native App Container Container Container Java EE Cloud Native App JLink Local Service Impls Additional Local Classfiles Java EE Cloud Native App With Just Enough Container Container Container Java EE Cloud Native App
  • 15. Copyright © 2016, Oracle and/or its affiliates. All rights reserved. | 15 Platform Architecture Orchestration – Inspection, Injection, and Wiring BareMetal Orchestration Container Config Cache Logging Platform Services Service Registry Java EE Cloud Native App Java EE Cloud Native App @Config @Cache @Logging @Service Name Impl Impl Impl Impl
  • 16. Copyright © 2016, Oracle and/or its affiliates. All rights reserved. | Recent Java EE 7 compatibility updates: Congratulations!Technical Focus Areas  Extend for reactive programming  Unified event model  Event messaging API  JAX-RS, HTTP/2, Lambda, JSON-B, ... Programming Model  API to store externalized state State  Automatically event out changes to observed data structures Eventual Consistency  Extension to support client-side circuit breakers  Resilient commands  Standardize on client- side format for reporting health Resiliency  New spec – interfaces, packaging format, manifest  Ephemeral instantiation Serverless  Secret management  OAuth  OpenID Security Package applications, runtimes into services  Standalone immutable executable binary  Multi-artifact archives Packaging  Increased density  Tenant-aware routing and deployment Multitenancy  Externalize configuration  Unified API for accessing configuration Configuration  Persistence and query interface for key value and document DB Key Value/Doc Store 16
  • 17. Copyright © 2016, Oracle and/or its affiliates. All rights reserved. | Proposed Platform Architecture Java EE Packaging, Serverless, Multitenancy OS / Hypervisor Container Runtime Java SE Runtime Java EE Runtime Programming Model API Gateway Load Balancer HTTP/2 JSON-B Event API REST API Security API State API Config API Eventual Consistency Resiliency Key Value Store API 17 Key Value Database Logging Config State Security Notification Reliability,Monitoring ManagementandOrchestration SchedulingandElasticScaling
  • 18. Copyright © 2016, Oracle and/or its affiliates. All rights reserved. | 18 Java EE 7 Connector JAXBJSP Debugging Managed BeansJSPConcurrency EE Interceptors JAX-WS WebSocket Bean Validation JASPIC ServletJMS JTADeployment Batch JACCDependency Injection JAXR JSTL Management CDI EJB JAX-RPC Web ServicesJSF JPA JSON-PCommon Annotations EL JAX-RS Web Services MetadataJavaMail
  • 19. Copyright © 2016, Oracle and/or its affiliates. All rights reserved. | 19 Java EE 8 (Revised Proposal, 2016) Connector JAXBJSP Debugging Managed BeansJSPConcurrency EE Interceptors JAX-WS WebSocket Bean Validation JASPIC ServletJMS JTADeployment Batch JACCDependency Injection JAXR JSTL Management CDI EJB JAX-RPC Web ServicesJSF JPA Common Annotations EL JAX-RS Web Services MetadataJavaMail CDI JSON-B Security Bean Validation JSF JAX-RS JSON-P Servlet JSP
  • 20. Copyright © 2016, Oracle and/or its affiliates. All rights reserved. | 20 Engage Java EE Community • Feedback through Survey • Launch Java EE Next JSRs 2016 Java EE 8 • Specs, RI, TCK complete • Initial microservices support • Define Java EE 9 • Early access implementation of Java EE 9 Java EE 9 • Specs, RI, TCK complete • Modular Java EE runtime • Enhanced microservices support Java EE Roadmap 2017 2018
  • 21. Copyright © 2016, Oracle and/or its affiliates. All rights reserved. | Java EE, What’s Next? Anil Gaur GVP Engineering Oracle Cloud Platform Application Development