Go Reactive with Vert.x

Digging into the microservices world? Considering reactive programming? Then you should learn more about Vert.x, a lightweight, fast, modular, high-performance, and unopinionated toolkit for building reactive applications on the JVM. Come to this session to see how we can use Vert.x to solve common business use cases for enterprises and how to deploy Vert.x applications packaged as containers in OpenShift.

Transcript

1. Domando a Programação Reativa
   com Vert.x
   Eder Ignatowicz
   Senior Software Engineer
   @ederign
   

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2. “Now, every company is a software company”
   — Forbes
   

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3. INSERT DESIGNATOR, IF NEEDED (EDIT ON MASTER SLIDE)
   Join developers.redhat.com
   3
   

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4. Reactive
   Systems
   

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5. Responsive
   

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6. Resilient
   

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7. Elastic
   

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8. Message Driven
   

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9. Responsive
   Message Driven
   Elastic Resilient
   Reactive Systems
   

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10. Vert.x
    

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11. Application
    Platform
    

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12. Runs on JVM
    

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13. Asynchronous
    APIs
    

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14. Polyglot
    

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15. Simple
    

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16. Why?
    

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17. APIs
    

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18. Hello World
    

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19. Verticles
    

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20. Join developers.redhat.com
    20
    public class HelloWorldVerticle extends AbstractVerticle {
    …
    @Override
    public void start( Future fut ) {
    vertx.setPeriodic( 1000, l -> {
    vertx.eventBus()
    .publish( "hello-bus",
    new JsonObject(
    Json.encodePrettily(
    new Message( "HelloWorld Message: " + new Date() ))));} );
    vertx.eventBus()
    .consumer( "hello-bus",
    m -> {
    JsonObject json = ( JsonObject ) m.body();
    logger.info( "Receiving "
    + json.getString( "id" )
    + " : "
    + json.getString( "name" ) );} );
    }
    }
    

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21. Threading Model
    Event Loops
    

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22. Event Loops
    vs
    Blocking APIs
    

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23. Hybrid Threading
    Model
    

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24. Scaling
    

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25. Distributed
    Event Bus
    

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26. Extended to the
    browser
    

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27. Demo
    

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28. System 1
    …
    System n
    OpenShift
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    P
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    Vert.x Cluster
    R
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    N
    T
    Distributed Event Bus
    system.process.in
    Processor
    Verticle
    system.process.in
    system.process.out.x
    system.process.out.no_system
    Audit
    Verticle
    system.process.out.x
    system.process.out.no_system
    External System
    processing
    JS Bridge
    Verticle
    system.process.out.x
    system.process.in
    system.process.out.x
    system.process.in
    Log
    Verticle
    system.process.in
    

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29. System 1
    …
    System n
    R
    E
    S
    T
    A
    P
    I
    OpenShift
    

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30. System 1
    …
    System n
    R
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    S
    T
    A
    P
    I
    Vert.x Cluster
    R
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    S
    T
    C
    L
    I
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    N
    T
    Distributed Event Bus
    system.process.in
    OpenShift
    

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31. System 1
    …
    System n
    R
    E
    S
    T
    A
    P
    I
    Vert.x Cluster
    R
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    S
    T
    C
    L
    I
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    N
    T
    Distributed Event Bus
    system.process.in
    Processor
    Verticle
    system.process.in
    system.process.out.x
    system.process.out.no_system
    OpenShift
    

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32. System 1
    …
    System n
    R
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    S
    T
    A
    P
    I
    Vert.x Cluster
    R
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    C
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    I
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    N
    T
    Distributed Event Bus
    system.process.in
    Processor
    Verticle
    system.process.in
    system.process.out.x
    system.process.out.no_system
    Audit
    Verticle
    system.process.out.x
    system.process.out.no_system
    External System
    processing
    OpenShift
    

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33. System 1
    …
    System n
    R
    E
    S
    T
    A
    P
    I
    Vert.x Cluster
    R
    E
    S
    T
    C
    L
    I
    E
    N
    T
    Distributed Event Bus
    system.process.in
    Processor
    Verticle
    system.process.in
    system.process.out.x
    system.process.out.no_system
    Audit
    Verticle
    system.process.out.x
    system.process.out.no_system
    External System
    processing
    JS Bridge
    Verticle
    system.process.out.x
    system.process.in
    system.process.out.x
    system.process.in
    OpenShift
    

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34. System 1
    …
    System n
    R
    E
    S
    T
    A
    P
    I
    Vert.x Cluster
    R
    E
    S
    T
    C
    L
    I
    E
    N
    T
    Distributed Event Bus
    system.process.in
    Processor
    Verticle
    system.process.in
    system.process.out.x
    system.process.out.no_system
    Audit
    Verticle
    system.process.out.x
    system.process.out.no_system
    External System
    processing
    JS Bridge
    Verticle
    system.process.out.x
    system.process.in
    system.process.out.x
    system.process.in
    Log
    Verticle
    system.process.in
    OpenShift
    

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35. Join
    developers.redhat.com
    @ederign
    

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36. plus.google.com/+RedHat
    linkedin.com/company/red-hat
    youtube.com/user/RedHatVideos
    facebook.com/redhatinc
    twitter.com/RedHatNews
    Thank you!
    

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