org.syrup.functions
Class Shell

java.lang.Object
  java.lang.Thread
      org.syrup.functions.Shell

All Implemented Interfaces:

Function, java.lang.Runnable

public class Shell

extends java.lang.Thread

implements Function

Executes a shell command provided by the first input. The second (optional) input provides the stdin. The first output connects to stdout and the second output to stderr. If the second input is not given the first (command) input is consumed. The second input is always consumed.

Author:

Robbert van Dalen

Field Summary

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Shell()

Method Summary

Result	execute(Context context) Generates a Result given a Task's Context.
void	run() Executed when the JVM is in shutdown.

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getContextClassLoader, getName, getPriority, getThreadGroup, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setName, setPriority, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Constructor Detail

Shell

public Shell()

Method Detail

execute

public Result execute(Context context)

Description copied from interface: Function

Generates a Result given a Task's Context. Implementations should not throw Exceptions, retain Objects or any other resources after the calling Thread exits this method.

Specified by:

execute in interface Function

Parameters:

context - The Context from which the Function get its parameters.

Returns:

The Result after execution.

run

public void run()

Executed when the JVM is in shutdown.

Specified by:

run in interface java.lang.Runnable