<style>
/* Changing the layout to use less space for mobiles */
@media screen and (max-device-width: 480px), screen and (-webkit-min-device-pixel-ratio: 2) {
#email-body { min-width: 30em !important; }
#email-page { padding: 8px !important; }
#email-banner { padding: 8px 8px 0 8px !important; }
#email-avatar { margin: 1px 8px 8px 0 !important; padding: 0 !important; }
#email-fields { padding: 0 8px 8px 8px !important; }
#email-gutter { width: 0 !important; }
}
</style>
<div id="email-body">
<table id="email-wrap" align="center" border="0" cellpadding="0" cellspacing="0" style="background-color:#f0f0f0;color:#000000;width:100%;">
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<td id="email-page" style="padding:16px !important;">
<table align="center" border="0" cellpadding="0" cellspacing="0" style="background-color:#ffffff;border:1px solid #bbbbbb;color:#000000;width:100%;">
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<td bgcolor="#3b4d64" style="background-color:#3b4d64;color:#ffffff;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;line-height:1;"><img src="https://issues.jboss.org/s/en_US-difko1-418945332/812/58/_/jira-logo-scaled.png" alt="" style="vertical-align:top;" /></td>
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<td id="email-banner" style="padding:32px 32px 0 32px;">
<table align="left" border="0" cellpadding="0" cellspacing="0" width="100%" style="width:100%;">
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<td style="color:#505050;font-family:Arial,FreeSans,Helvetica,sans-serif;padding:0;">
<img id="email-avatar" src="https://community.jboss.org/people/gturner/avatar/16.png" alt="" height="48" width="48" border="0" align="left" style="padding:0;margin: 0 16px 16px 0;" />
<div id="email-action" style="padding: 0 0 8px 0;font-size:12px;line-height:18px;">
<a class="user-hover" rel="gturner" id="email_gturner" href="https://issues.jboss.org/secure/ViewProfile.jspa?name=gturner" style="color:#326ca6;">Gerald Turner</a>
commented on <img src="https://issues.jboss.org/images/icons/bug.gif" height="16" width="16" border="0" align="absmiddle" alt="Bug"> <a style='color:#326ca6;text-decoration:none;' href='https://issues.jboss.org/browse/WELD-1280'>WELD-1280</a>
</div>
<div id="email-summary" style="font-size:16px;line-height:20px;padding:2px 0 16px 0;">
<a style='color:#326ca6;text-decoration:none;' href='https://issues.jboss.org/browse/WELD-1280'><strong>Dependent scoped not injected via Application#getELResolver#getValue, works with ValueExpression</strong></a>
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<td id="email-fields" style="padding:0 32px 32px 32px;">
<table border="0" cellpadding="0" cellspacing="0" style="padding:0;text-align:left;width:100%;" width="100%">
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<td id="email-gutter" style="width:64px;white-space:nowrap;"></td>
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<td colspan="2" style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 16px 0;width:100%;">
<div class="comment-block" style="background-color:#edf5ff;border:1px solid #dddddd;color:#000000;padding:12px;"><p>I traced the example PhaseListener (and MyFaces ExtVal startup) thru a debugger and found whats going on.</p>
<p>Weld has an ELCreationalContext which works with a stack, ValueExpressions always push/pop the stack, whereas ELResolver expects the stack to have already been pushed in the case of Dependent scoped objects.</p>
<p><cite>Excerpts from org.jboss.weld.el.AbstractWeldELResolver:</cite></p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<pre class="code-java"> <span class="code-keyword">private</span> <span class="code-object">Object</span> lookup(BeanManagerImpl beanManager, ELContext context, <span class="code-object">String</span> name) {
<span class="code-keyword">final</span> Bean<?> bean = beanManager.resolve(beanManager.getBeans(name));
<span class="code-keyword">if</span> (bean == <span class="code-keyword">null</span>) {
<span class="code-keyword">return</span> <span class="code-keyword">null</span>;
}
<span class="code-object">Class</span><? <span class="code-keyword">extends</span> Annotation> scope = bean.getScope();
<span class="code-keyword">if</span> (!scope.equals(Dependent.class)) {
ClientProxyProvider cpp = beanManager.getClientProxyProvider();
<span class="code-keyword">if</span> (cpp != <span class="code-keyword">null</span>) {
<span class="code-object">Object</span> value = cpp.getClientProxy(bean);
<span class="code-keyword">if</span> (value != <span class="code-keyword">null</span>) {
<span class="code-keyword">return</span> value;
}
}
<span class="code-keyword">return</span> beanManager.getReference(bean, beanManager.createCreationalContext(bean), <span class="code-keyword">false</span>);
} <span class="code-keyword">else</span> {
<span class="code-comment">// Need to use a <span class="code-quote">"special"</span> creationalContext that can make sure that we <span class="code-keyword">do</span> share dependent instances referenced by the EL Expression
</span> <span class="code-keyword">final</span> ELCreationalContext<?> creationalContext = getELCreationalContext(context);
<span class="code-object">String</span> beanName = bean.getName();
<span class="code-object">Object</span> value = creationalContext.getDependentInstanceForExpression(beanName);
<span class="code-keyword">if</span> (value == <span class="code-keyword">null</span>) {
value = getManager(context).getReference(bean, creationalContext, <span class="code-keyword">false</span>);
creationalContext.registerDependentInstanceForExpression(beanName, value);
}
<span class="code-keyword">return</span> value;
}
}
<span class="code-keyword">private</span> ELCreationalContext<?> getELCreationalContext(ELContext context) {
ELCreationalContextStack stack = ELCreationalContextStack.getCreationalContextStore(context);
<span class="code-keyword">if</span> (!stack.isEmpty()) {
<span class="code-keyword">return</span> stack.peek().get();
} <span class="code-keyword">else</span> {
<span class="code-keyword">throw</span> <span class="code-keyword">new</span> IllegalStateException(<span class="code-quote">"No CreationalContext registered <span class="code-keyword">for</span> EL evaluation, it is likely that the the expression factory has not been wrapped by the CDI BeanManager, which must be done to use the ELResolver from CDI"</span>);
}
}
</pre>
</div></div>
<p><cite>Excerpts from org.jboss.weld.el.WeldValueExpression:</cite></p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<pre class="code-java"> @Override
<span class="code-keyword">public</span> <span class="code-object">Object</span> getValue(<span class="code-keyword">final</span> ELContext context) {
ELCreationalContextStack store = getCreationalContextStore(context);
<span class="code-keyword">try</span> {
store.push(<span class="code-keyword">new</span> CreationalContextCallable());
<span class="code-keyword">return</span> delegate().getValue(context);
} <span class="code-keyword">finally</span> {
CreationalContextCallable callable = store.pop();
<span class="code-keyword">if</span> (callable.exists()) {
callable.get().release();
}
}
}
</pre>
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<div style="color:#505050;padding:4px 0 0 0;"> </div>
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</td><!-- End #email-page -->
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<td style="color:#505050;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:10px;line-height:14px;padding: 0 16px 16px 16px;text-align:center;">
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</table><!-- End #email-wrap -->
</div><!-- End #email-body -->