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http://jira.magnolia.info/browse/MAGNOLIA-2377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18017#action_18017
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Gregory Joseph commented on MAGNOLIA-2377:
------------------------------------------
If you look at the [Property.getDate()
javadoc|http://www.day.com/maven/jsr170/javadocs/jcr-1.0/javax/jcr/Property.html#getDate()]
it says:
bq. The object returned is a copy of the stored value, so changes to it are not
reflected in internal storage.
This is misleading, because I would thus expect the above snippet to show that
we get a fresh copy every time we do getProperty on the node. Instead, if you
look at the Jackrabbit code, you'll see that the {{Value}} implementation holds
a cache of a Calendar instance, and (I'm only guessing here: ), the {{Node}}
implementation probably also holds a cache of its associated {{Value}}s.
I'll actually keep this open to gather some feedback - should this be
considered a Jackrabbit issue ?
> Issue with getDate()
> --------------------
>
> Key: MAGNOLIA-2377
> URL: http://jira.magnolia.info/browse/MAGNOLIA-2377
> Project: Magnolia
> Issue Type: Bug
> Components: templating
> Affects Versions: 3.5.4
> Reporter: Olivier Marti
> Assignee: Gregory Joseph
>
> It seems that for a Value in the repository of the value "Date" only one copy
> is existing in the memory, where all queries to it are referencing.
> This is bad, in cases I want to manipulate the date (like compare today with
> a timespan from two weeks before till the actual value in the node).
> That's what my code looks like:
> Content activeNode= Resource.getLocalContentNode();
> Calendar orig = activeNode.getNodeData("date").getDate();
> System.out.println("orig: " + orig.getTime());
> Calendar moduleDate = activeNode.getNodeData("date").getDate();
> moduleDate.add(Calendar.DATE,-14);
> System.out.println("modified: " + moduleDate.getTime());
> Calendar reloaded = activeNode.getNodeData("date").getDate();
> System.out.println("reloaded: " + reloaded.getTime());
> Result:
> orig: Wed Oct 15 14:30:00 CEST 2008
> modified: Wed Oct 01 14:30:00 CEST 2008
> reloaded: Wed Oct 01 14:30:00 CEST 2008
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