<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%;">
<tr valign="top">
<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="#3e4c4e" style="background-color:#3e4c4e;color:#ffffff;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;line-height:1;"><img src="https://www.jboss.org/dms/hibernate/images/jira/jiraheader_hibernate.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://secure.gravatar.com/avatar/df12d7792bd3b7be3a4edf12cabd58cb?d=mm&s=48" 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="steve" id="email_steve" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=steve" style="color:#6c797f;">Steve Ebersole</a>
updated <img src="https://hibernate.atlassian.net/images/icons/issuetypes/task_agile.png" height="16" width="16" border="0" align="absmiddle" alt="Technical task"> <a style='color:#6c797f;text-decoration:none;' href='https://hibernate.atlassian.net/browse/HHH-8354'>HHH-8354</a>
</div>
<div id="email-summary" style="font-size:16px;line-height:20px;padding:2px 0 16px 0;">
<a style='color:#6c797f;text-decoration:none;' href='https://hibernate.atlassian.net/browse/HHH-8354'><strong>New dirty-checking options based on bytecode enhancement</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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<table border="0" cellpadding="0" cellspacing="0" width="100%">
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Change By:</strong>
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<a class="user-hover" rel="steve" id="email_steve" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=steve" style="color:#6c797f;">Steve Ebersole</a>
(09/Jul/13 8:11 AM)
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<strong style="font-weight:normal;color:#505050;">Description:</strong>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<span class="diffcontext">http://in.relation.to/Bloggers/OptionsForEntityDirtnessChecking is a great discussion of the current state.<br><br>The basic idea with this feature is to allow the entity to dirty-check itself through bytecode enhancement as discussed in the {{Tracked approach : bytecode enhancement}} section. So in part the code will simply be moved over from {{org.hibernate.bytecode.internal.javassist.JavassistClassTransformer}} to {{org.hibernate.bytecode.enhance.spi.Enhancer}}.<br><br>But also, the other part is to allow different ways to request the checking be done. Some options we discussed were:<br>* instance checking (with ==) - by far the most performant option, but not feasible in cases where the state of the thing being checked can mutate internally<br>* Hibernate Type checking - The Hibernate {{org.hibernate.type.Type}} for the changing attribute would be used to perform the equality check<br><br>A related consideration is having the entity track its loaded state. This would allow for</span>
<span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> better</span>
<span class="diffaddedchars" style="background-color:#ddfade;"> more efficient (select-before-update not needed)</span>
<span class="diffcontext"> reattachment of enhanced entities.</span>
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</td><!-- End #email-page -->
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</table><!-- End #email-wrap -->
</div><!-- End #email-body -->