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Nashorn, what is the whole buzz about

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Ask questions

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By The U.S. Army

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I love your feedback!

@michalgruca

michal.gruca@gmail.com

www.rits.pl

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GENERALNASHORN

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Background Image

logo

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• yet another js runtime -> on server

built on top of Java

quite fast

EcmaScript 5.1 compatible

Nashorn is …

By Valentina Storti

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Allows to build DSL

Runtime modularity

Full access from .js to JVM

A lot of developers on market

Simple language

Even your user may try it

Why to use

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Or because …

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GENERALNASHORN :: DEMO

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TWO WAY INTEROPERABILITYNASHORN :: DEMO

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TESTINGNASHORN :: DEMO

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VALIDATIONNASHORN :: DEMO

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SCRIPTINGNASHORN :: DEMO

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PROJECT AVATARNASHORN

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• Project Avatar is a JavaScript service layer, that fully utilizes Nashorn Engine.

• It aims at reducing JavaScript knowledge required to start coding

• It’s a direct response to node

What avatar is

17CONFIDENTIALhttps://www.flickr.com/photos/45928872@N08/4211101808/

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Meanwhile in Java land

www.techempower.com/benchmarks

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CONSNASHORN

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May be twice+ slower than V8

http://ariya.ofilabs.com/2014/03/nashorn-the-new-rhino-on-the-block.html

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• Nashorn is much slower than Node

– But getting faster! (JDK8u20 & JDK8u40)

• JDK 8 only

– JDK 7: Rhino and dynJS

• May have issues with various frameworks

• Yet another level of abstraction

– With not so many examples

https://www.threadless.com/@alanis

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Can be tricky

Types– Collections

Programming modelExecution modelScopes & contextesLibrariesDevelopers

by Yoel Ben-Avraham

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ITERATINGNASHORN :: DEMO

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REAL WORLD EXAMPLENASHORN

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My project

Soft real timeControlling thousands of devicesMultithreaded„Distributed”

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I love your feedback!

@michalgruca

michal.gruca@gmail.com

www.rits.pl