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Date: Wed, 2 Sep 2015 12:09:45 +0000 (UTC)
From: "Robert Metzger (JIRA)" <jira@apache.org>
To: issues@flink.apache.org
Message-ID: <JIRA.12830160.1431692226000.234430.1441195785987@Atlassian.JIRA>
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Subject: [jira] [Commented] (FLINK-2021) Rework examples to use new
 ParameterTool
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    [ https://issues.apache.org/jira/browse/FLINK-2021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14727226#comment-14727226 ] 

Robert Metzger commented on FLINK-2021:
---------------------------------------

No, I think nobody is working on this.

Before changing all examples, I would actually like to seek for consensus on the mailing list. The change affects how new users learn to use Flink. 
Do you want to write to dev@flink or should I do it?

> Rework examples to use new 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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