com.goldencode.p2j.util

Class ProcessStream.Waiter

java.lang.Object

com.goldencode.p2j.util.ProcessStream.Waiter

All Implemented Interfaces:

java.lang.Runnable

Enclosing class:

ProcessStream

private class ProcessStream.Waiter
extends java.lang.Object
implements java.lang.Runnable

Provides a simple mechanism to wait for the exit of a process on an asynchronous basis (on a new thread dedicated to this wait).

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	alive Status of the child process.
private int	pid The child process for which to wait.

Constructor Summary

Constructors

Constructor and Description
Waiter(int pid) Constructs an instance that has the data needed to wait for the child process and report on that process' state.

Method Summary

Modifier and Type	Method and Description
boolean	alreadyInWait(int pid) Verify if the given process already waited to be done.
boolean	isAlive() Accesses the status of the child process.
void	run() Waits for the child process to die and then sets the alive status to false.

Methods inherited from class java.lang.Object

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

Field Detail

pid

private int pid

The child process for which to wait.

alive

private boolean alive

Status of the child process.

Constructor Detail

Waiter

public Waiter(int pid)

Constructs an instance that has the data needed to wait for the child process and report on that process' state.

Parameters:

pid - The child process for which to wait.

Method Detail

isAlive

public boolean isAlive()

Accesses the status of the child process.

Returns:

If true, the process is still running.

alreadyInWait

public boolean alreadyInWait(int pid)

Verify if the given process already waited to be done.

Returns:

If true, the process is under waiting for complete.

run

public void run()

Waits for the child process to die and then sets the alive status to false.

Specified by:

run in interface java.lang.Runnable