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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://hibernate.atlassian.net/browse/OGM" style="color: #3b73af; text-decoration: none">Hibernate OGM</a> / <a href="https://hibernate.atlassian.net/browse/OGM-465" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-newfeature-2d3e0aab-b960-4eb9-b9b5-1bd7f6b60936" height="16" width="16" border="0" align="absmiddle" alt="New Feature" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/OGM-465" style="color: #3b73af; text-decoration: none">OGM-465</a>
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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://hibernate.atlassian.net/browse/OGM-465" style="color: #3b73af; text-decoration: none">Provide API for retrieving a log of all executed/failed operations of a transaction cycle</a> </span>
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Change By:
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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="gunnar.morling" id="email_gunnar.morling" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=gunnar.morling" style="color:#6c797f;; color: #3b73af; text-decoration: none">Gunnar Morling</a>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <span class="diffcontext">When working with a non-transactional stores, there should be a way to find out about the executed and failed grid dialect operations of a transaction cycle. This allows to take appropriate action such as performing compensating operations, re-try the failed operations etc.<br /><br />Use cases:<br /><br />As a user of OGM, upon an exception during flush(),<br /><br />* UC-1.1: I want to *log* all operations applied so far and *abort* the processing of the flush cycle (/)<br /> Example: Create a file with applied changes, and let someone manually take the required actions<br /><br />* UC-2.1: I want to *skip* the failed operation for certain exception types and *continue* further processing of the flush cycle (/)<br /> Example: Ignore a duplicted record during importing a list of orders<br /><br />* UC-2.1.1: I want to skip the failed operation for certain exception types and entity types and continue further processing of the flush cycle (/)<br /> Example: Ignore a duplicated order record but not a duplicated customer record<br /><br />* UC-</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">2.2: I want to *retry* the failed operation for certain exception types; If that succeeds, I want to continue, if that fails, I want to abort the further processing of the flush cycle<br /> Example: In case of a {{OgmDatastoreNotAvailableException}} I want to retry twice (my connection is a bit unstable); If it fails I want to give a file with applied changes to someone for manual checking / processing<br /><br />* UC-2.</span> <span class="diffcontext">3</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">: I want to *alter and retry* the failed operation for certain exception types; If that fails, I want to abort the further processing of the flush cycle<br /> Example: <br /><br />* UC-3</span> <span class="diffcontext">.1: I want *compensate* all operations applied so far and abort the processing of the flush cycle<br />* UC-3.1.1: I want to execute *custom compensation actions*<br /> Example:<br />* UC-3.1.2: I want to execute *automatically determined compensation actions* (e.g. a delete for an insert, an insert/update to restore the previous state for a delete/update)<br /> Example: <br />* UC-4.1: I want to work with *different means of error handling*, depending on the "business case" I am in; e.g. I might want to ignore an exception at one time but try to compensate previously applied changes at another time (NOTE: are entity types enough as distinguishing criteria, see UC-2.1.1?)<br /></span>
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