java.lang
Class ProcessManager.ProcessImpl

java.lang.Object
  java.lang.Process
      java.lang.ProcessManager.ProcessImpl

Enclosing class:

ProcessManager

static class ProcessManager.ProcessImpl
extends Process

Field Summary

(package private) InputStream	errorStream
(package private) Integer	exitValue The process's exit value.
(package private) Object	exitValueMutex
(package private) int	id Process ID.
(package private) InputStream	inputStream Reads output from process.
(package private) OutputStream	outputStream Sends output to process.

Constructor Summary

ProcessManager.ProcessImpl(int id, FileDescriptor in, FileDescriptor out, FileDescriptor err)

Method Summary

void	destroy() Terimates the receiver and closes any associated streams.
int	exitValue() Returns the exit value of the receiving Process.
InputStream	getErrorStream() Returns the receiver's error output stream.
InputStream	getInputStream() Returns the receiver's standard input stream
OutputStream	getOutputStream() Returns the receiver's standard output stream
(package private) void	setExitValue(int exitValue)
int	waitFor() Causes the calling thread to wait for the process associated with the receiver to finish executing.

Methods inherited from class java.lang.Object

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

Field Detail

id

final int id

Process ID.

errorStream

final InputStream errorStream

inputStream

final InputStream inputStream

Reads output from process.

outputStream

final OutputStream outputStream

Sends output to process.

exitValue

Integer exitValue

The process's exit value.

exitValueMutex

final Object exitValueMutex

Constructor Detail

ProcessManager.ProcessImpl

ProcessManager.ProcessImpl(int id,
                           FileDescriptor in,
                           FileDescriptor out,
                           FileDescriptor err)

Method Detail

destroy

public void destroy()

Description copied from class: Process

Terimates the receiver and closes any associated streams.

Specified by:

destroy in class Process

exitValue

public int exitValue()

Description copied from class: Process

Returns the exit value of the receiving Process. It is available only when the OS subprocess is finished.

Specified by:

exitValue in class Process

Returns:

The exit value of the receiver.

getErrorStream

public InputStream getErrorStream()

Description copied from class: Process

Returns the receiver's error output stream.

Note: This is an InputStream which allows reading of the other threads "stderr".

Specified by:

getErrorStream in class Process

Returns:

The error stream associated with the receiver

getInputStream

public InputStream getInputStream()

Description copied from class: Process

Returns the receiver's standard input stream

Note: This is an InputStream which allows reading from the other process' "stdout".

Specified by:

getInputStream in class Process

Returns:

The receiver's process' stdin.

getOutputStream

public OutputStream getOutputStream()

Description copied from class: Process

Returns the receiver's standard output stream

Note: This is an OutputStream which allows writing to the other process' "stdin".

Specified by:

getOutputStream in class Process

Returns:

The receiver's process' stdout.

waitFor

public int waitFor()
            throws InterruptedException

Description copied from class: Process

Causes the calling thread to wait for the process associated with the receiver to finish executing.

Specified by:

waitFor in class Process

Returns:

The exit value of the Process being waited on

Throws:

InterruptedException - If the calling thread is interrupted

setExitValue

void setExitValue(int exitValue)