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<td class="page-title-pattern-first-line " style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://issues.redhat.com/browse/WELD" style="color: #3b73af; text-decoration: none">Weld</a> / <a href="https://issues.redhat.com/browse/WELD-2609" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-6e28f0b0-9893-4d43-be2d-318a91e0c5f5" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://issues.redhat.com/browse/WELD-2609" style="color: #3b73af; text-decoration: none">WELD-2609</a> </td>
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<td style="vertical-align: top;; padding: 0px; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://issues.redhat.com/browse/WELD-2609" style="color: #3b73af; text-decoration: none">ObserverMethodConfigurator#read methods do not set async and notify callback</a> </span> </td>
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<td class="has-icon" style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-avatar-6e28f0b0-9893-4d43-be2d-318a91e0c5f5" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"> Bug </td>
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 3.1.3.Final </td>
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 14/Dec/19 9:05 PM </td>
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="vampire" id="email_vampire" href="https://issues.redhat.com/secure/ViewProfile.jspa?name=vampire" style="color:#0066cc;; color: #3b73af; text-decoration: none">Björn Kautler</a> </td>
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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-top:0;margin-bottom:10px;; margin: 10px 0 0 0; margin-top: 0">As described in <a href="https://issues.redhat.com/browse/WELD-2608" title="Adding a bean using AfterBeanDiscovery does not register its observer methods" class="issue-link" data-issue-key="WELD-2608" style="color: #3b73af; text-decoration: none">WELD-2608</a>, I'm adding some beans manually using <tt>AfterBeanDiscovery</tt>.<br> As the observer methods of those beans are not registered automatically (currently if that issue is valid and not expected), I thought it should be easy to also register the observer methods like I registered the beans.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">So as I registered the beans using this:</p>
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<pre class="code-groovy" style="margin: 10px 0 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
afterBeanDiscovery
.addBean()
.read(annotatedBeanType)
.alternative(<span class="code-keyword" style="color: #000091">false</span>)
</pre>
</div>
</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">I assumed adding the observer methods should be similar simple.<br> My naive first approach was this, assuming all necessary information is determined by <tt>read</tt> as was the case for the bean:</p>
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<pre class="code-groovy" style="margin: 10px 0 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
annotatedBeanType
.methods
.findAll {
it.parameters.any {
it.isAnnotationPresent(Observes) ||
it.isAnnotationPresent(ObservesAsync)
}
}
.each { method ->
afterBeanDiscovery
.addObserverMethod()
.read(method)
}
</pre>
</div>
</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">But I found two problems with this, namely the <tt>async</tt> property and the the notify callback are not set.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">So what I currently have is:</p>
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<pre class="code-groovy" style="margin: 10px 0 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
annotatedBeanType
.methods
.findAll {
it.parameters.any {
it.isAnnotationPresent(Observes) ||
it.isAnnotationPresent(ObservesAsync)
}
}
.groupBy {
it.parameters.any {
it.isAnnotationPresent(ObservesAsync)
}
}
.each { async, methods ->
methods.each { method ->
afterBeanDiscovery
.addObserverMethod()
.read(method)
.async(async)
.notifyWith { eventContext ->
<span class="code-keyword" style="color: #000091">def</span> cdi = CDI.current()
<span class="code-keyword" style="color: #000091">def</span> beanType = annotatedBeanType.javaClass
<span class="code-keyword" style="color: #000091">def</span> bean = cdi.select(beanType).get()
<span class="code-keyword" style="color: #000091">def</span> arguments = method
.parameters
.collect {
<span class="code-keyword" style="color: #000091">if</span> (it.isAnnotationPresent(Observes) || it.isAnnotationPresent(ObservesAsync)) {
eventContext.event
} <span class="code-keyword" style="color: #000091">else</span> {
<span class="code-keyword" style="color: #000091">def</span> qualifiers = it.annotations.findAll {
it.annotationType().isAnnotationPresent(Qualifier)
} <span class="code-keyword" style="color: #000091">as</span> List
cdi.select(it.baseType, *qualifiers).get()
}
}
method.javaMember.invoke(bean, *arguments)
}
}
}
</pre>
</div>
</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">But I hope that this is a bug and the `read` call should both, determine and set the <tt>async</tt> property and also configure a proper notify callback, especially as my current variant depends on `CDI.current()` which if I understood properly only works if there is exactly one container running, which might not be the case if tests are executed in parallel.</p> </td>
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