nashorn, what is the whole buzz about #4developers
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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
www.rits.pl
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GENERALNASHORN
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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 & JDKu40)
• 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
www.rits.pl