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https://issues.apache.org/jira/browse/CAY-1729?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrus Adamchik updated CAY-1729:
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Summary: PropertyDescriptor must have predictable iteration order (was:
PropertyDescriptor must have poredictable iteration order)
> PropertyDescriptor must have predictable iteration order
> --------------------------------------------------------
>
> Key: CAY-1729
> URL: https://issues.apache.org/jira/browse/CAY-1729
> Project: Cayenne
> Issue Type: Bug
> Components: Core Library
> Reporter: Andrus Adamchik
> Assignee: Andrus Adamchik
> Fix For: 3.1B2, 3.2M1
>
>
> The fact that PropertyDescriptor.getDeclaredProperties() can return a mix of
> attributes and relationships and generally undefined order has already caused
> us grief, and will likely be causing some more. Internally properties are
> stored in a HashMap, so the order depends on the property names, hashing
> algorithm, and sometimes JDK version (if the hashing algorithm changes, like
> it did between 1.5 and 1.6)...
> A recent manifestation of this problem is described here:
> http://markmail.org/message/jwlfkgwz6vloavk4 While current algorithm does not
> have bugs by itself, it creates a great deal of uncertainty that makes
> reproducing real problems very painful.
> Not sure if it makes sense to introduce alpha iteration order of
> attributes/relationships (does it buy us any extra consistency?), but it is
> quite clear that at least the order of iteration should be (1) all attributes
> (2) all relationships. Need to fix it in 3.1 too...
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