org.apache.maven.surefire.booter

Class PpidChecker

java.lang.Object

org.apache.maven.surefire.booter.PpidChecker

final class PpidChecker
extends java.lang.Object

Recognizes PID of Plugin process and determines lifetime.

Since:

2.20.1

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private class	PpidChecker.ProcessInfoConsumer Reads standard output from Process.

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.Queue<java.lang.Process>	destroyableCommands
private long	pluginPid
private ProcessInfo	pluginProcessInfo
private boolean	stopped
(package private) static java.util.regex.Pattern	UNIX_CMD_OUT_PATTERN The etime is in the form of [[dd-]hh:]mm:ss on Unix like systems.
private static java.lang.String	WMIC_CREATION_DATE

Constructor Summary

Constructors

Constructor and Description
PpidChecker(long pluginPid)

Method Summary

Modifier and Type	Method and Description
(package private) boolean	canUse()
private static void	checkValid(java.util.Scanner scanner)
(package private) void	destroyActiveCommands()
(package private) static long	fromDays(java.util.regex.Matcher matcher)
(package private) static long	fromHours(java.util.regex.Matcher matcher)
(package private) static long	fromMinutes(java.util.regex.Matcher matcher)
(package private) static long	fromSeconds(java.util.regex.Matcher matcher)
(package private) boolean	isProcessAlive() This method can be called only after canUse() has returned true.
private boolean	isStopped()
(package private) ProcessInfo	unix()
(package private) static java.lang.String	unixPathToPS()
(package private) ProcessInfo	windows()

Methods inherited from class java.lang.Object

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

Field Detail

WMIC_CREATION_DATE

private static final java.lang.String WMIC_CREATION_DATE

See Also:

Constant Field Values

destroyableCommands

private final java.util.Queue<java.lang.Process> destroyableCommands

UNIX_CMD_OUT_PATTERN

static final java.util.regex.Pattern UNIX_CMD_OUT_PATTERN

The etime is in the form of [[dd-]hh:]mm:ss on Unix like systems.

pluginPid

private final long pluginPid

pluginProcessInfo

private volatile ProcessInfo pluginProcessInfo

stopped

private volatile boolean stopped

Constructor Detail

PpidChecker

PpidChecker(long pluginPid)

Method Detail

canUse

boolean canUse()

isProcessAlive

boolean isProcessAlive()

This method can be called only after canUse() has returned true.

Returns:

true if parent process is alive; false otherwise

Throws:

java.lang.IllegalStateException - if canUse() returns false or the object has been destroyed

unix

ProcessInfo unix()

windows

ProcessInfo windows()

destroyActiveCommands

void destroyActiveCommands()

isStopped

private boolean isStopped()

unixPathToPS

static java.lang.String unixPathToPS()

fromDays

static long fromDays(java.util.regex.Matcher matcher)

fromHours

static long fromHours(java.util.regex.Matcher matcher)

fromMinutes

static long fromMinutes(java.util.regex.Matcher matcher)

fromSeconds

static long fromSeconds(java.util.regex.Matcher matcher)

checkValid

private static void checkValid(java.util.Scanner scanner)
                        throws java.io.IOException

Throws:

java.io.IOException