Class ShutdownThread

java.lang.Object

java.lang.Thread

org.eclipse.jetty.util.thread.ShutdownThread

All Implemented Interfaces:

Runnable

public class ShutdownThread
extends Thread

ShutdownThread is a shutdown hook thread implemented as singleton that maintains a list of lifecycle instances that are registered with it and provides ability to stop these lifecycles upon shutdown of the Java Virtual Machine

Nested Class Summary

Nested classes/interfaces inherited from class Thread

Thread.Builder, Thread.State, Thread.UncaughtExceptionHandler

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	_hooked
private final List<LifeCycle>	_lifeCycles
private static final ShutdownThread	_thread
private static final Logger	LOG

Fields inherited from class Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ShutdownThread()	Default constructor for the singleton Registers the instance as shutdown hook with the Java Runtime

Method Summary

Modifier and Type	Method	Description
static void	deregister(LifeCycle lifeCycle)
static ShutdownThread	getInstance()	Returns the instance of the singleton
private void	hook()
static boolean	isRegistered(LifeCycle lifeCycle)
static void	register(int index, LifeCycle... lifeCycles)
static void	register(LifeCycle... lifeCycles)
void	run()
private void	unhook()

Methods inherited from class Thread

activeCount, checkAccess, clone, currentThread, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, isVirtual, join, join, join, join, ofPlatform, ofVirtual, onSpinWait, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, sleep, start, startVirtualThread, stop, threadId, toString, yield

Methods inherited from class Object

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

Field Details

LOG

private static final Logger LOG

_thread

private static final ShutdownThread _thread

_hooked

private boolean _hooked

_lifeCycles

private final List<LifeCycle> _lifeCycles

Constructor Details

ShutdownThread

private ShutdownThread()

Default constructor for the singleton Registers the instance as shutdown hook with the Java Runtime

Method Details

hook

private void hook()

unhook

private void unhook()

getInstance

public static ShutdownThread getInstance()

Returns the instance of the singleton

Returns:

the singleton instance of the ShutdownThread

register

public static void register(LifeCycle... lifeCycles)

register

public static void register(int index,
 LifeCycle... lifeCycles)

deregister

public static void deregister(LifeCycle lifeCycle)

isRegistered

public static boolean isRegistered(LifeCycle lifeCycle)

run

public void run()

Specified by:

run in interface Runnable

Overrides:

run in class Thread