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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-2021) Rework examples to use ParameterTool
Date Tue, 26 Jan 2016 11:14:39 GMT

    [ https://issues.apache.org/jira/browse/FLINK-2021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15117070#comment-15117070
] 

ASF GitHub Bot commented on FLINK-2021:
---------------------------------------

Github user stefanobaghino commented on the pull request:

    https://github.com/apache/flink/pull/1536#issuecomment-174960226
  
    I'll edit the code so that we can all read the result and maybe discuss about the pros
and cons of this approach. Again, thank you both for the feedback.


> Rework examples to use ParameterTool
> ------------------------------------
>
>                 Key: FLINK-2021
>                 URL: https://issues.apache.org/jira/browse/FLINK-2021
>             Project: Flink
>          Issue Type: Improvement
>          Components: Examples
>    Affects Versions: 0.9
>            Reporter: Robert Metzger
>            Priority: Minor
>              Labels: starter
>
> In FLINK-1525, we introduced the {{ParameterTool}}.
> We should port the examples to use the tool.
> The examples could look like this (we should maybe discuss it first on the mailing lists):
> {code}
> public static void main(String[] args) throws Exception {
>     ParameterTool pt = ParameterTool.fromArgs(args);
>     boolean fileOutput = pt.getNumberOfParameters() == 2;
>     String textPath = null;
>     String outputPath = null;
>     if(fileOutput) {
>         textPath = pt.getRequired("input");
>         outputPath = pt.getRequired("output");
>     }
>     // set up the execution environment
>     final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
>     env.getConfig().setUserConfig(pt);
> {code}



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