[jira] [Assigned] (SIS-573) Allow data stores to be closed asynchronously

["Martin Desruisseaux (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SIS-573?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martin Desruisseaux reassigned SIS-573:
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> Allow data stores to be closed asynchronously
> ---------------------------------------------
>
>                 Key: SIS-573
>                 URL: https://issues.apache.org/jira/browse/SIS-573
>             Project: Spatial Information Systems
>          Issue Type: Task
>          Components: Storage
>    Affects Versions: 1.3
>            Reporter: Martin Desruisseaux
>            Assignee: Martin Desruisseaux
>            Priority: Major
>             Fix For: 1.4
>
>
> A {{DataStore}} can be connected to a big file through internet, for example if the file is a Cloud Optimized GeoTIFF (COG). This is reasonably efficient if the server support HTTP ranges. But if the {{GeoTiffStore}} (for example) is connected to a big TIFF on a server that do not support HTTP range, it may download a large amount of data. We need a way to interrupt that.
> Implementing an {{abort()}} method would be a significant amount of work. But as a mid-term solution, we need to at least get {{DataStore.close()}} to work asynchronously. In current {{DataStore}} implementations, {{close()}} is a synchronized method which block until the reading process is completed. We should invole {{Channel.close()}} before to enter in the synchronized block. It will allow {{java.nio.channels.AsynchronousCloseException}} to be thrown an interrupt the reading process.



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