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<td style="vertical-align: top;; padding: 0; 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://shibboleth.atlassian.net/browse/JSSH-5?atlOrigin=eyJpIjoiODFjOTllOTI0MDBmNGI1NmFiNzU1ZTZiY2M3ZTMxMTgiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">Re: ServiceableComponent should implement AutoClose</a> </span></td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"><p style="margin: 10px 0 0; margin-top: 0">I’d need to interview this in the code, but I think that the answer is <b><em>not</em></b> that ServiceableComponent shouldn’t implement AutoCloseable, rather that our implementations should <b><em>not</em></b> inherit from AbstractServiceableComponent. (which is what we both said last night).</p><p style="margin: 10px 0 0">The example code we want to maintain</p>
<div class="preformatted panel" style="border-width: 1px;; border: 1px solid #cccccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #cccccc; -moz-border-radius: 3px; border-radius: 3px; margin: 9px 0">
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<pre style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal; white-space: pre; word-break: normal; word-wrap: break-word; word-break: break-all; white-space: pre-wrap"> try (final ServiceableComponent<AttributeFilter> component
= attributeFilterService.getServiceableComponent()) {
if (null == component) {
log.error("{} Error while filtering inbound attributes: Invalid Attribute Filter configuration",
getLogPrefix());
attributeContext.setIdPAttributes(null);
} else {
final AttributeFilter filter = component.getComponent();
filter.filterAttributes(filterContext);
filterContext.getParent().removeSubcontext(filterContext);
attributeContext.setIdPAttributes(filterContext.getFilteredIdPAttributes().values());
}
} </pre>
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</div><p style="margin: 10px 0 0">because we want the locks inherent in getting the <b>component</b> to be dropped.</p><p style="margin: 10px 0 0">Code we want to drop </p>
<div class="preformatted panel" style="border-width: 1px;; border: 1px solid #cccccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #cccccc; -moz-border-radius: 3px; border-radius: 3px; margin: 9px 0">
<div class="preformattedContent panelContent" style="padding: 9px 12px">
<pre style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal; white-space: pre; word-break: normal; word-wrap: break-word; word-break: break-all; white-space: pre-wrap">try (final AttributeFilterImpl filter = new AttributeFilterImpl("engine", Collections.emptyList())) {
// TODO: this seems off but is needed to allow try-with-resources while also unlocking.
filter.pinComponent();
Assert.assertNotNull(filter.getFilterPolicies());
Assert.assertTrue(filter.getFilterPolicies().isEmpty());
Assert.assertEquals(filter.getId(), "engine");
}</pre>
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</div><p style="margin: 10px 0 0">becaase its completely bogus that the <b>AttributeFilterImpl</b> is closeable.</p><p style="margin: 10px 0 0">I am pretty sure that we can fix this by creating a new <tt>ServicebleComponentImpl<foo></tt> which takes a foo as its contructor and then summon up one of these in the Strategy which the parser uses, but I’d need to think long and hard about Spring lifetimes. because the AbstractServiceable Component (which all our impls currently inherit from is <tt>ApplicationContextAware</tt></p></td>
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