org.apache.samza.rest.script

Class ScriptRunner

java.lang.Object

org.apache.samza.rest.script.ScriptRunner

public class ScriptRunner
extends java.lang.Object

Runs a script process and returns the exit code. The script can be run with an output handler or with output redirected to console.

Constructor Summary

Constructors

Constructor and Description
ScriptRunner()

Method Summary

Modifier and Type	Method and Description
java.util.Map<java.lang.String,java.lang.String>	environment() Gets the mutable map of environment variables to add to the child process environment.
protected long	getScriptTimeoutS()
int	runScript(java.lang.String scriptPath, ScriptOutputHandler outputHandler, java.lang.String... args)
int	runScript(java.lang.String scriptPath, java.lang.String... args) Runs a script with IO inherited from the current Java process.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ScriptRunner

public ScriptRunner()

Method Detail

getScriptTimeoutS

protected long getScriptTimeoutS()

runScript

public int runScript(java.lang.String scriptPath,
                     java.lang.String... args)
              throws java.io.IOException,
                     java.lang.InterruptedException

Runs a script with IO inherited from the current Java process. Typically this redirects to console.

Parameters:

scriptPath - the path to the script file.

args - the command line args to pass to the script.

Returns:

the exit code returned by the script.

Throws:

java.io.IOException - if there was a problem running the process.

java.lang.InterruptedException - if the thread is interrupted while waiting for the process to finish.

runScript

public int runScript(java.lang.String scriptPath,
                     ScriptOutputHandler outputHandler,
                     java.lang.String... args)
              throws java.io.IOException,
                     java.lang.InterruptedException

Parameters:

scriptPath - the path to the script file.

outputHandler - the handler for any stdout and stderr produced by the script.

args - the command line args to pass to the script.

Returns:

the exit code returned by the script.

Throws:

java.io.IOException - if there was a problem running the process.

java.lang.InterruptedException - if the thread is interrupted while waiting for the process to finish.

environment

public java.util.Map<java.lang.String,java.lang.String> environment()

Gets the mutable map of environment variables to add to the child process environment. The structure is the same as ProcessBuilder.environment(), but this map starts empty.

Returns:

the mutable map of environment variables.