[jboss-jira] [JBoss JIRA] (DROOLS-31) RowAdapter should not throw Exception when Object not found

[Mario Fusco (JIRA)]

     [ https://issues.jboss.org/browse/DROOLS-31?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mario Fusco reassigned DROOLS-31:
---------------------------------

    Assignee: Mario Fusco  (was: Mark Proctor)

    
> RowAdapter should not throw Exception when Object not found
> -----------------------------------------------------------
>
>                 Key: DROOLS-31
>                 URL: https://issues.jboss.org/browse/DROOLS-31
>             Project: Drools
>          Issue Type: Enhancement
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 5.5.0.Final
>            Reporter: Ryan Nideffer
>            Assignee: Mario Fusco
>
> RowAdapter throws an undocumented, unchecked exception if an identifier passed to get() does not exist as a row in the returned query.
> This pattern is not ideal, and instead should simply return null, thereby allowing clients to easily skip non-existent objects much more cleanly and more lightweight than exception handling.
> Additionally, the ViewChangedEventListener interface does not provide a way to know which query was invoked for the callback. It is cumbersome to create per-query ViewChangedEventListener objects which allows you to avoid querying identifiers that you know exist in the query result callback.

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