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https://issues.apache.org/jira/browse/XERCESJ-1494?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Glavassevich reassigned XERCESJ-1494:
---------------------------------------------
Assignee: Michael Glavassevich
> XML Schema API: Make it easier for application to persist instances of
> ItemPSVI
> -------------------------------------------------------------------------------
>
> Key: XERCESJ-1494
> URL: https://issues.apache.org/jira/browse/XERCESJ-1494
> Project: Xerces2-J
> Issue Type: Improvement
> Components: XML Schema API
> Affects Versions: 2.11.0
> Reporter: Michael Glavassevich
> Assignee: Michael Glavassevich
> Priority: Minor
>
> When an application receives instances of ItemPSVI (i.e. ElementPSVI /
> AttributePSVI) the scope in which they can call methods on these objects is
> often limited (see PSVIProvider) to start and end element callbacks. If an
> application wishes to persist the data held by an ItemPSVI beyond this scope
> it needs to make a copy. To make it easier for users to copy these objects
> and determine when they need to make a copy I plan on adding the following
> methods to ItemPSVI:
> /**
> * Returns a reference to an immutable instance with the same data
> * that this instance of <code>ItemPSVI</code> currently has.
> */
> public ItemPSVI constant();
>
> /**
> * Returns <code>true</code> if this specific instance of
> * <code>ItemPSVI</code> is immutable, otherwise <code>false</code>.
> */
> public boolean isConstant();
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