org.jppf.process
Class ProcessWrapper

java.lang.Object
  org.jppf.utils.EventEmitter<ProcessWrapperEventListener>
      org.jppf.process.ProcessWrapper

public final class ProcessWrapper
extends EventEmitter<ProcessWrapperEventListener>

Wrapper around an external process started with ProcessBuilder. Instances of this class read the output ands error streams generated by the process and provide a notification mechanism with separate events for the respective streams.

Author:

Laurent Cohen

Field Summary

Fields inherited from class org.jppf.utils.EventEmitter

eventListeners

Constructor Summary

ProcessWrapper()
Initialize this process handler.

ProcessWrapper(Process process)
Initialize this process handler with the specified process.

Method Summary

protected void	fireStreamEvent(boolean output, String content) Notify all listeners that a stream event has occurred.
Process	getProcess() Get the process to handle.
void	setProcess(Process process) Set the process to handle.

Methods inherited from class org.jppf.utils.EventEmitter

addListener, getListeners, removeListener

Methods inherited from class java.lang.Object

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

Constructor Detail

ProcessWrapper

public ProcessWrapper()

Initialize this process handler.

ProcessWrapper

public ProcessWrapper(Process process)

Initialize this process handler with the specified process.

Parameters:

process - the process to handle.

Method Detail

getProcess

public Process getProcess()

Get the process to handle.

Returns:

a Process instance.

setProcess

public void setProcess(Process process)

Set the process to handle. If the process has already been set through this setter or the corresponding contructor, this method does nothing.

Parameters:

process - - a Process instance.

fireStreamEvent

protected void fireStreamEvent(boolean output,
                               String content)

Notify all listeners that a stream event has occurred.

Parameters:

output - true if the event is for the outpuit stream, false if it is for the error stream.

content - the text that written to the stream.