[jira] [Resolved] (SIS-421) Retrofit WarningListener in a more generic EventListener

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

     [ https://issues.apache.org/jira/browse/SIS-421?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martin Desruisseaux resolved SIS-421.
-------------------------------------
    Resolution: Fixed

> Retrofit WarningListener in a more generic EventListener
> --------------------------------------------------------
>
>                 Key: SIS-421
>                 URL: https://issues.apache.org/jira/browse/SIS-421
>             Project: Spatial Information Systems
>          Issue Type: Improvement
>          Components: Storage, Utilities
>    Affects Versions: 0.8
>            Reporter: Martin Desruisseaux
>            Assignee: Martin Desruisseaux
>            Priority: Major
>             Fix For: 1.0
>
>
> {{DataStore}} in SIS 1.0-SNAPSHOT (June 2018) have two kind of listeners:
> * The {{org.apache.sis.util.logging}} package defines a {{WarningListener}} interface, together with a {{WarningListeners}} helper class.
> * The {{org.apache.sis.storage.event}} package defines a {{ChangeListener}} interface, together with {{ChangeEvent}} class. The intent is to have different {{ChangeEvent}} subtypes for e.g. structural changes, content changes, _etc._
> We should consider renaming the later as {{StoreListener}} and {{StoreEvent}}, and define a {{WarningEvent}} class. The old {{WarningListener}} could be replaced by this new mechanism. The intent is to avoid having two listener mechanism in parallel in data stores.
> It seems that {{WarningListener}} are currently used only in {{DataStore}}, with the exception of {{org.apache.sis.metadata.sql}} package. So even if {{WarningEvent}} become storage-specific, it may not be a big issue.



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