[jira] Updated: (DIRMINA-428) Message priorities

["Trustin Lee (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DIRMINA-428?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Trustin Lee updated DIRMINA-428:
--------------------------------

      Component/s: Core
    Fix Version/s: 2.0.0-M1

I changed my mind.  We could let user specify the internal write request queue implementation like we did for session attributes: DIRMINA-393

> Message priorities
> ------------------
>
>                 Key: DIRMINA-428
>                 URL: https://issues.apache.org/jira/browse/DIRMINA-428
>             Project: MINA
>          Issue Type: New Feature
>          Components: Core
>            Reporter: Adrian Sandor
>             Fix For: 2.0.0-M1
>
>
> I would like MINA to support sending messages with different priorities, so that higher-priority messages will get sent out first (in the order that they were added to the queue, if they have the same priority)
> Here's how I think this could be implemented:
> - define different priorities; I suggest using numeric constants, such as LOWEST=0, LOW=25, NORMAL=50, HIGH=75, HIGHEST=100, allowing any custom values from 0 to 100
> - add a priority field to WriteRequest, and implement Comparable using it
> - add a write(Object message, int priority) method to IoSession
> - make write(message) call write(message, NORMAL)
> - make the writeRequestQueue in the session implementations a priority queue, but one that preserves the original order of "equal" elements
> - ensure that a higher priority message won't interrupt sending out another message (if pending)
> - if desired, write an IoFilter that can manipulate the priority

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