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From chiwanpark <...@git.apache.org>
Subject [GitHub] flink pull request: [FLINK-2613] Print usage information for Scala...
Date Thu, 08 Oct 2015 11:50:01 GMT
Github user chiwanpark commented on a diff in the pull request:

    https://github.com/apache/flink/pull/1106#discussion_r41503496
  
    --- Diff: flink-staging/flink-scala-shell/src/main/scala/org/apache/flink/api/scala/FlinkShell.scala
---
    @@ -18,48 +18,74 @@
     
     package org.apache.flink.api.scala
     
    +import java.io.{StringWriter, BufferedReader}
    +
    +import org.apache.flink.api.common.ExecutionMode
    +
     import org.apache.flink.configuration.Configuration
     import org.apache.flink.runtime.minicluster.LocalFlinkMiniCluster
     
     import scala.tools.nsc.Settings
     
    +import scala.tools.nsc.interpreter._
    +
     
     object FlinkShell {
     
    +  object ExecutionMode extends Enumeration {
    +    val UNDEFINED, LOCAL, REMOTE = Value
    +  }
    +
    +  var bufferedReader: Option[BufferedReader] = None
    +
       def main(args: Array[String]) {
     
         // scopt, command line arguments
         case class Config(
             port: Int = -1,
             host: String = "none",
    -        externalJars: Option[Array[String]] = None)
    +        externalJars: Option[Array[String]] = None,
    +        flinkShellExecutionMode : ExecutionMode.Value = ExecutionMode.UNDEFINED)
    +
         val parser = new scopt.OptionParser[Config]("start-scala-shell.sh") {
           head ("Flink Scala Shell")
     
    -      opt[Int] ('p', "port") action {
    -        (x, c) =>
    -          c.copy (port = x)
    -      } text("port specifies port of running JobManager")
    -
    -      opt[(String)] ('h',"host") action {
    -        case (x, c) =>
    -          c.copy (host = x)
    -      }  text("host specifies host name of running JobManager")
    -
    -      opt[(String)] ('a',"addclasspath") action {
    -        case (x,c) =>
    -          val xArray = x.split(":")
    -          c.copy(externalJars = Option(xArray))
    -      } text("specifies additional jars to be used in Flink")
    -      
    -      help("help") text("prints this usage text")
    +      cmd("local") action {
    +        (_,c) => c.copy( host = "none", port = -1, flinkShellExecutionMode = ExecutionMode.LOCAL)
    --- End diff --
    
    Please insert space after comma `,` and remove space after `(`.


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