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Posted to dev@jena.apache.org by "Andy Seaborne (JIRA)" <ji...@apache.org> on 2017/02/09 13:14:42 UTC
[jira] [Closed] (JENA-1223) Provide transaction promotion
[ https://issues.apache.org/jira/browse/JENA-1223?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andy Seaborne closed JENA-1223.
-------------------------------
Resolution: Fixed
Fix Version/s: Jena 3.1.1
> Provide transaction promotion
> -----------------------------
>
> Key: JENA-1223
> URL: https://issues.apache.org/jira/browse/JENA-1223
> Project: Apache Jena
> Issue Type: Improvement
> Components: TDB
> Affects Versions: Jena 3.1.0
> Reporter: Andy Seaborne
> Assignee: Andy Seaborne
> Fix For: Jena 3.1.1
>
>
> This JIRA is to add the ability for a read transaction to promote to a write transaction.
> API changes are necessary to expose this feature properly and uniformly.
> PR #161 provides the machinery for TDB. To avoid general API changes outside TDB, this happens automatically in {{DatasetGraphTransaction.getW()}} if enabled (by default it isn't, the PR makes no change to behaviour of TDB by default). It needs to be enabled with {{DatasetGraphTransaction.promotion = true}}. PR#161 does contain internal changes (e.g. {{DatasetGraphWrapper}}) outside TDB.
> This leads towards a general {{begin()}} for transactions.
> This JIRA is cover discussion on the API and record changes to the subsystems.
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