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From "Kenneth Knowles (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (BEAM-1195) Give triggers a cross-language serialization schema
Date Thu, 23 Mar 2017 04:48:41 GMT

     [ https://issues.apache.org/jira/browse/BEAM-1195?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kenneth Knowles resolved BEAM-1195.
-----------------------------------
       Resolution: Fixed
    Fix Version/s: First stable release

The Runner API proto does this.

> Give triggers a cross-language serialization schema
> ---------------------------------------------------
>
>                 Key: BEAM-1195
>                 URL: https://issues.apache.org/jira/browse/BEAM-1195
>             Project: Beam
>          Issue Type: New Feature
>          Components: beam-model-runner-api
>            Reporter: Kenneth Knowles
>            Assignee: Kenneth Knowles
>             Fix For: First stable release
>
>
> We have recently gotten to the point where triggers are just syntax, but it is still
shipped via Java serialization. To make it language-independent, we need a concrete syntax.
> Something like the following is fairly concise, tag adjacent to payload. I haven't bothered
making up fully verbose/namespaced URNs here.
> {code}
> {
>     "$urn": "OrFinally",
>     "main": {
>       "$urn": "EndOfWindow",
>       "early": <foo>
>     },
>     "finally": {
>       "$urn": "AfterCount",
>       "count": 45
>     }
> }
> {code}



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