Show how messaging is involved in the Spring projects. Demonstrate Spring Integration advanced topics, What's New, What Next. Introduction to Spring XD, Web Sockets and Reactor

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The next development
generation
with Artem Bilan
by Pivotal
Spring & Messaging:

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Artem Bilan
abilan@gopivotal.com
Spring Integration Team
Spring Framework
Spring AMQP
Spring XD
Reactor
https://github.com/artembilanhttp://www.linkedin.com/in/cleric
https://spring.io/team/artembilan http://stackoverflow.com/users/2756547

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Messaging and why do I care?

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Messaging is very simple
Headers
Payload
public static void main(String[] args) {
...
}

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WEB
Controllers, REST,
WebSocket
INTEGRATION
Channels, Adapters,
Filters, Transforms
BATCH
Jobs, Steps,
Readers, Writers
BIG DATA
Ingestion, Export,
Orchestration, Hadoop
DATA
NON-RELATIONALRELATIONAL
CORE
GROOVYFRAMEWORK SECURITY REACTOR
GRAILS
Full-stack, Web
XD
Stream, Taps, Jobs
BOOT
Bootable, Minimal, Ops-Ready

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Messaging in Spring IO

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Spring Integration
Meet IoC!
Uses
Written

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The heart of Spring Integration
– Endpoints (Filters) connected through
– Channels (Pipes) exchanging
– Message

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How does it work?

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• SpEL, SpEL, SpEL …
• Scripting (Groovy, JSR223)
• Request Handler Advice
• Transaction Synchronization
• Error Handling
• Channel Adapters Correlation
• Lifecycle and Control Bus
• Message Store Serialization
• JMX Exposing
Spring Integration: Advanced
• Adapter, Adapter, Adapter …
• SecurityContext Propagation
• Payload Cloning
• IMAP SearchTermStrategy
• FileLocker
• Scatter-Gather
• Routing Slip
• Message Broker
• Process Manager
• Multitenancy

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Retry -> tx; tx - > Retry
inbound-adapter->poller->http-gateway1->http-gateway2->jdbc-outbound-adapter

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Cache Advice

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Transaction Synchronization

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HTTP Proxy

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• 1000 & 1 bug fix
• 256 refactoring
• 125 improvement
• 1 new feature
• Spring 4 compatibility
• Jackson 2 support
• Syslog adapters
• TCP/IP Events
• HTTP RequestMapping
• SpEL customization
• ‘id’ for chain black box
• …
Spring Integration 3.0: What’s New?
Joke!

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@RequestMapping

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@RequestMapping by Spring Integration

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Spring Expression Language

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SpEL: EvaluationContext

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SpEL Customization: high-level API

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SpEL Customization: high-level API

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Spring XD
• Unified Platform
• Developer Productivity
• Modular Extensibility
• Distributed Architecture
• Portable Runtime
• Hadoop Distribution Agnostic
• Proven Foundation
• XD = ‘eXtreme Data’

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Taps
Compute
HDFS
Workflow
Export
Spring XD Runtime
Ingest
Jobs
Export
Files Sensors Mobile Social
RDBMS
NoSQL
R, SAS
Spring XD Shell
Streams
Redis
Gemfire
Predictive modeling
Spring XD

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Stream Processing Model
How can we make this easier?http | filter | file

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XD Runtimes
http | filter | file
Rabbit, Redis, (Pluggable)
XD Admin
CLUSTERED NODE
Filter
Module
CLUSTERED NODE
HTTP
Module
CLUSTERED NODE
File
Module
In Memory
Transport
http | filter | file
SINGLE
NODE
All
Modules

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Spring Integration 4.0: What Next?
• Spring 4 Platform
• Java DSL
• New EIP Patterns
• New Adapters
• Concurrency Improvement
• Clustering Features
• ???

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Spring Framework 4.0: Websockets

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Spring Framework 4.0: Websockets

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• Foundation
• Distillation best-practices
• Lightweight
• Event routing
• Fully asynchronous
• Pattern based
• Clear API
Reactor

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Dispatchers, Events, Selectors, Streams, Promises, etc.

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Reactor – Landscape
Spring Integration

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Spring Integration + Reactor

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Learn More. Stay Connected.
• Spring IO: https://spring.io/platform
• GitHub: https://github.com/spring-projects
• Spring Integration: http://projects.spring.io/spring-integration
• Spring XD: http://projects.spring.io/spring-xd
• Reactor: https://github.com/reactor
• Spring WebSockets: http://assets.spring.io/wp/WebSocketBlogPost.html
• EIP: http://www.eaipatterns.com
• Spring Batch: http://projects.spring.io/spring-batch
• Spring for Hadoop: http://projects.spring.io/spring-hadoop
• Groovy: http://groovy.codehaus.org

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ありがとう