[jira] [Resolved] (SAMZA-1101) Delay the creation of actual function to send to a physical stream until OperatorImpl instantiation

["Xinyu Liu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SAMZA-1101?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xinyu Liu resolved SAMZA-1101.
------------------------------
    Resolution: Fixed

> Delay the creation of actual function to send to a physical stream until OperatorImpl instantiation
> ---------------------------------------------------------------------------------------------------
>
>                 Key: SAMZA-1101
>                 URL: https://issues.apache.org/jira/browse/SAMZA-1101
>             Project: Samza
>          Issue Type: Bug
>    Affects Versions: 0.12.0
>            Reporter: Yi Pan (Data Infrastructure)
>            Assignee: Prateek Maheshwari
>              Labels: fluent-api
>             Fix For: 0.14.0
>
>
> There are a few reasons for that:
> # it helps to keep the logic StreamGraphImpl only refers to logic stream (i.e. the physical stream properties should be populated by physical ExecutionEnvironment)
> # it helps to keep the OperatorSpec for sendTo() only containing spec info, not physical implementation, which allows us to swap in collection-based or file-based streams sendTo() function w/o the user program change



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