org.zeroturnaround.process

Class Java8Process

java.lang.Object

org.zeroturnaround.process.AbstractProcess

org.zeroturnaround.process.JavaProcess

org.zeroturnaround.process.Java8Process

All Implemented Interfaces:

SystemProcess

public class Java8Process
extends JavaProcess

Wrapper for Process since Java 8.

Java 8 added following methods:

• isAlive()
• destroyForcibly()
• waitFor(long, TimeUnit)

Field Summary

Fields inherited from class org.zeroturnaround.process.JavaProcess

process

Constructor Summary

Constructors

Constructor and Description
Java8Process(Process process)

Method Summary

Modifier and Type	Method and Description
protected boolean	canDestroy(boolean forceful) Check if destroying the process is supported based on the OS and JVM version (regardless the process is running or not).
protected void	invokeDestroy(boolean forceful)
Process	invokeDestroyForcibly()
boolean	isAlive() Tests whether this process is alive.
static boolean	isSupported()
boolean	waitFor(long timeout, TimeUnit unit) Causes the current thread to wait, if necessary, until the process handled by this killer has terminated, or the specified timeout is reached.

Methods inherited from class org.zeroturnaround.process.JavaProcess

destroy, getDescription, getProcess, waitFor

Methods inherited from class org.zeroturnaround.process.AbstractProcess

destroyForcefully, destroyGracefully, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Java8Process

public Java8Process(Process process)

Method Detail

isSupported

public static boolean isSupported()

canDestroy

protected boolean canDestroy(boolean forceful)

Description copied from class: JavaProcess

Check if destroying the process is supported based on the OS and JVM version (regardless the process is running or not).

Overrides:

canDestroy in class JavaProcess

Parameters:

forceful - true if the process must be destroyed forcefully (like kill -KILL), false if it must be destroyed gracefully (like kill -TERM).

Returns:

true if JavaProcess.invokeDestroy(boolean) is supported with the given forceful flag on the given system.

invokeDestroy

protected void invokeDestroy(boolean forceful)

Overrides:

invokeDestroy in class JavaProcess

invokeDestroyForcibly

public Process invokeDestroyForcibly()

isAlive

public boolean isAlive()

Description copied from interface: SystemProcess

Tests whether this process is alive.

This operation may take some time to finish.

Specified by:

isAlive in interface SystemProcess

Overrides:

isAlive in class JavaProcess

Returns:

true if this process is alive, false if it is finished or not found.

waitFor

public boolean waitFor(long timeout,
                       TimeUnit unit)
                throws InterruptedException

Description copied from class: AbstractProcess

Causes the current thread to wait, if necessary, until the process handled by this killer has terminated, or the specified timeout is reached.

If the process has already terminated then this method returns immediately with the value true. If the process has not terminated and the timeout value is less than, or equal to, zero, then this method returns immediately with the value false.

Specified by:

waitFor in interface SystemProcess

Overrides:

waitFor in class AbstractProcess

Parameters:

timeout - the maximum time to wait

unit - the time unit of the timeout argument

Returns:

true if the process has exited and false if the timeout is reached before the process has exited.

Throws:

InterruptedException - if interrupted.