<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Can you kindly try to make the example a bit simpler? It's important to make the case for how likely this is supposed to occur in most business applications.</div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">Also, other than making sure that the executor service is propagating thread local request contexts correctly what other solution are you proposing? Did you check the specification? How sure are you that this isn't simply an implementation bug?</div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">As far as I know the executor service is supposed to be preserving all relevant parts of the EE context?</div><div><br>On Mar 6, 2016, at 12:35 PM, Romain Manni-Bucau <<a href="mailto:rmannibucau@gmail.com">rmannibucau@gmail.com</a>> wrote:<br><br></div><blockquote type="cite"><div><div dir="ltr">does <a href="https://gist.github.com/rmannibucau/d55fce47b001185dca3e">https://gist.github.com/rmannibucau/d55fce47b001185dca3e</a> help?<div><br></div><div>Idea is to give an API to make:</div><div><br></div><div><table class="" style="border-collapse:collapse;border-spacing:0px;color:rgb(51,51,51);font-family:Helvetica,arial,nimbussansl,liberationsans,freesans,clean,sans-serif,'Apple Color Emoji','Segoe UI Emoji','Segoe UI Symbol';font-size:13px;line-height:18.2px"><tbody><tr><td id="file-java-LC78" class="" style="padding:0px 10px;vertical-align:top;overflow:visible;font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;font-size:12px;word-wrap:normal;white-space:pre"> <span class="" style="color:rgb(167,29,93)">public</span> <span class="" style="color:rgb(167,29,93)">void</span> <span class="" style="color:rgb(121,93,163)">complete</span>() {</td></tr><tr><td id="file-java-L79" class="" style="padding:0px 10px;width:50px;min-width:50px;font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;font-size:12px;line-height:18px;color:rgba(0,0,0,0.298039);text-align:right;white-space:nowrap;vertical-align:top;border-style:solid;border-color:rgb(238,238,238);border-width:0px 1px 0px 0px"></td><td id="file-java-LC79" class="" style="padding:0px 10px;vertical-align:top;overflow:visible;font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;font-size:12px;word-wrap:normal;white-space:pre"> <span class="" style="color:rgb(167,29,93)">try</span> {</td></tr><tr><td id="file-java-L80" class="" style="padding:0px 10px;width:50px;min-width:50px;font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;font-size:12px;line-height:18px;color:rgba(0,0,0,0.298039);text-align:right;white-space:nowrap;vertical-align:top;border-style:solid;border-color:rgb(238,238,238);border-width:0px 1px 0px 0px"></td><td id="file-java-LC80" class="" style="padding:0px 10px;vertical-align:top;overflow:visible;font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;font-size:12px;word-wrap:normal;white-space:pre"> asyncContext<span class="" style="color:rgb(167,29,93)">.</span>complete();</td></tr><tr><td id="file-java-L81" class="" style="padding:0px 10px;width:50px;min-width:50px;font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;font-size:12px;line-height:18px;color:rgba(0,0,0,0.298039);text-align:right;white-space:nowrap;vertical-align:top;border-style:solid;border-color:rgb(238,238,238);border-width:0px 1px 0px 0px"></td><td id="file-java-LC81" class="" style="padding:0px 10px;vertical-align:top;overflow:visible;font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;font-size:12px;word-wrap:normal;white-space:pre"> } <span class="" style="color:rgb(167,29,93)">finally</span> {</td></tr><tr><td id="file-java-L82" class="" style="padding:0px 10px;width:50px;min-width:50px;font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;font-size:12px;line-height:18px;color:rgba(0,0,0,0.298039);text-align:right;white-space:nowrap;vertical-align:top;border-style:solid;border-color:rgb(238,238,238);border-width:0px 1px 0px 0px"></td><td id="file-java-LC82" class="" style="padding:0px 10px;vertical-align:top;overflow:visible;font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;font-size:12px;word-wrap:normal;white-space:pre"> auditContext<span class="" style="color:rgb(167,29,93)">.</span>end();</td></tr><tr><td id="file-java-L83" class="" style="padding:0px 10px;width:50px;min-width:50px;font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;font-size:12px;line-height:18px;color:rgba(0,0,0,0.298039);text-align:right;white-space:nowrap;vertical-align:top;border-style:solid;border-color:rgb(238,238,238);border-width:0px 1px 0px 0px"></td><td id="file-java-LC83" class="" style="padding:0px 10px;vertical-align:top;overflow:visible;font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;font-size:12px;word-wrap:normal;white-space:pre"> }</td></tr><tr><td id="file-java-L84" class="" style="padding:0px 10px;width:50px;min-width:50px;font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;font-size:12px;line-height:18px;color:rgba(0,0,0,0.298039);text-align:right;white-space:nowrap;vertical-align:top;border-style:solid;border-color:rgb(238,238,238);border-width:0px 1px 0px 0px"></td><td id="file-java-LC84" class="" style="padding:0px 10px;vertical-align:top;overflow:visible;font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;font-size:12px;word-wrap:normal;white-space:pre"> }
</td></tr></tbody></table></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div>working without hacky and almost impossible context pushing (cause of injections nature you are not supposed to know what to push in the context when going async).</div><div><br></div><div><br></div><div><br><span style="font-size:small">Romain Manni-Bucau</span><br><a href="https://twitter.com/rmannibucau" target="_blank">@rmannibucau</a> | <a href="http://rmannibucau.wordpress.com" target="_blank">Blog</a> | <a href="https://github.com/rmannibucau" target="_blank">Github</a> | <a href="https://www.linkedin.com/in/rmannibucau" target="_blank">LinkedIn</a> | <a href="http://www.tomitribe.com" target="_blank">Tomitriber</a></div></div></div></div></div></div></div></div></div></div>
<br><div class="gmail_quote">2016-03-06 16:40 GMT+01:00 Reza Rahman <span dir="ltr"><<a href="mailto:reza_rahman@lycos.com" target="_blank">reza_rahman@lycos.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="auto"><div>Can you kindly share an annotated code example of the proposed solution so we can all follow and discuss this?</div><div><br>On Mar 6, 2016, at 9:31 AM, Romain Manni-Bucau <<a href="mailto:rmannibucau@gmail.com" target="_blank">rmannibucau@gmail.com</a>> wroteshar:<br><br></div><div><div class="h5"><blockquote type="cite"><div><div dir="ltr">Hi guys,<div><br></div><div>spoke on concurrency utilities about the ability to inherit a cdi scope. Idea is to follow request scope more than cdi spec allows. First thought it was a concurrency utilities thing but Reza mentionned can be a CDI one so here it is.</div><div><br></div><div>Sample:</div><div>In a servlet i get MyBean which is @RequestScoped, I do some set on it. The i go async (AsyncContext) and trigger a task in another thread. It would be neat - and mandatory in some case by the loose coupling nature of CDI - to get the *same* MyBean *instance* in this thread. With a direct dependency you can easily use message passing pattern - but you loose the loose coupling cause you need to know until which level you unwrap, think t principal case which has 2-3 proxies!. However in practice you have a lot of undirect dependencies, in particular with enterprise concerns (auditing, security...) so you can't really do it easily/naturally.</div><div><br></div><div>Bonus:</div><div>One very verbose way is to be able to kind of push/pop an existing context in a thread - wrappers doing it on a Runnable/Consumer/Function/... would be neat.</div><div><br></div><div>Question:</div><div>Would CDI handle it in 2.0?</div><div><br></div><div>Side note: this is really about the fact to reuse a "context context" (its current instances map) in another thread the more transparently possible and match the user vision more than a technical question for now.</div><div><br clear="all"><div><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><br><span style="font-size:small">Romain Manni-Bucau</span><br><a href="https://twitter.com/rmannibucau" target="_blank">@rmannibucau</a> | <a href="http://rmannibucau.wordpress.com" target="_blank">Blog</a> | <a href="https://github.com/rmannibucau" target="_blank">Github</a> | <a href="https://www.linkedin.com/in/rmannibucau" target="_blank">LinkedIn</a> | <a href="http://www.tomitribe.com" target="_blank">Tomitriber</a></div></div></div></div></div></div></div></div></div></div>
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