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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <p style="margin: 10px 0 0 0; margin-top: 0"><cite style="font-style: italic">GraalVM’s ambitions are much broader than those of Nashorn."</cite><br> And thereby hangs the rub</p> <p style="margin: 10px 0 0 0"><cite style="font-style: italic">I'm convinced that GraalVM is better in every respect</cite></p> <p style="margin: 10px 0 0 0">Given how dreadful Nashorn this is not a surprising statement. However it should not be read as a statement that GraalVM ha any relevance to the IdP - except that it is currently the flavor of the month inside Oracle and hence represents a way in which we can continue to support our customer's requirement - which is to plug in trivial ECMA-type scripts into it.</p> <p style="margin: 10px 0 0 0">To my admittedly cynical eyes, GraalVm is another reinvention of a very old (I first met it in the early 80s, I'd guss that <a href="https://issues.shibboleth.net/jira/secure/ViewProfile.jspa?name=ian%40iay.org.uk" class="user-hover" rel="ian@iay.org.uk" style="color: #3b73af; text-decoration: none">Ian Young</a> met it in the 70s) concept: "Different languages should be able to call each other as peers".</p> <p style="margin: 10px 0 0 0">Having worked inside huge software companies, it also smells of a vanity project.</p> <p style="margin: 10px 0 0 0">When we discussed this in the dev meeting I was convinced by the argument that, with Nashorn supported in the next "real & supported" release of Java (cannot remember what their name for that is, nor yet the number) there is no work to do for V3.4, since our support will (have to) continue to work on what will become our oldest supported compile for the life of V4.</p> <p style="margin: 10px 0 0 0">During V4, if Graal VM continues to be pushed by Oracle (by no means a certainty) we will have some work to do if we have to use it to support our requirements. Or there may be some other ECMA script which will plug in to the proper interface for these things, being <tt>javax.scripting</tt> - rather than the new and funky stuff that Graal VM uses and which has little to do with ECMA-new-and-cool at all, except that they are using it to force people over to their flavor of the month. The majority of our work will not be in supporting a new language, but in supporting existing scripts (written by an intern 5 years ago and which "just works but noone knows why")</p> <p style="margin: 10px 0 0 0">And that's just plumbing; we still support the IdP2 plug points in IdP 3.* and I have no plans to remove that in IdP3.</p> <p style="margin: 10px 0 0 0"><cite style="font-style: italic">It would be unfortunate if V3.4 were to ship without a good story about scripting.</cite><br> I think it does.</p>
<ul>
<li>"We support, and will continue to support through the life of V4, scripting through the JSR-223 languages"</li>
<li>"No configuration which loads without warning in V3.4 will fail to load and operate as expected in V4"</li>
<li>"We currently expect to support the V2 environment (<tt>edu.internet2....</tt>) in V4"</li>
</ul> <p style="margin: 10px 0 0 0">The propeller heads/early adopters who want the latest and greatest language have two choices</p>
<ul>
<li>Find an implementation that plugs in via JSR-223.</li>
<li>Build out based on whatever technology is appropriate. A competent programmer could do it in a week (including ramp up time). We would be interested in seeing such a contribution.</li>
</ul> <p style="margin: 10px 0 0 0">Which is a long way of saying that we need worry about maintaining compatibility with old versions far more than we need to worry about early adopters - who are but their very nature far more likely to be able to look after themselves.</p> </td>
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