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From "Manu Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (GEARPUMP-312) Allow Message to be extensible
Date Wed, 17 May 2017 05:08:04 GMT

     [ https://issues.apache.org/jira/browse/GEARPUMP-312?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Manu Zhang updated GEARPUMP-312:
--------------------------------
    Description: 
The current {{case class Message(msg: Any, timeInMillis: TimeStamp)}} is not extensible with
an additional timestamp field while users' message may already carry that information.  I
don't think we care about what is stored in the message but what we can get from it. 

I propose to add a new interface {{Message}} with {{value}} and {{timestamp}} fields/methods
and rename the current {{Message}} to {{DefaultMessage}} as a default implementation.

> Allow Message to be extensible
> ------------------------------
>
>                 Key: GEARPUMP-312
>                 URL: https://issues.apache.org/jira/browse/GEARPUMP-312
>             Project: Apache Gearpump
>          Issue Type: Improvement
>    Affects Versions: 0.8.3
>            Reporter: Manu Zhang
>            Assignee: Manu Zhang
>
> The current {{case class Message(msg: Any, timeInMillis: TimeStamp)}} is not extensible
with an additional timestamp field while users' message may already carry that information.
 I don't think we care about what is stored in the message but what we can get from it. 
> I propose to add a new interface {{Message}} with {{value}} and {{timestamp}} fields/methods
and rename the current {{Message}} to {{DefaultMessage}} as a default implementation.



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