Core :: Utilities 12.0.6 · org.eclipse.jetty.util.thread.ShutdownThread

public Class ShutdownThread

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

Field Summary

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

Inherited from java.lang.Thread:: MAX_PRIORITY MIN_PRIORITY NORM_PRIORITY

Constructor Summary

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

Modifier and Type	Method and Description
public static void	deregister(LifeCycle lifeCycle)
public static ShutdownThread	Returns: the singleton instance of the `ShutdownThread` getInstance() Returns the instance of the singleton
private void	hook()
public static boolean	isRegistered(LifeCycle lifeCycle)
public static void	register(LifeCycle... lifeCycles)
public static void	register(int index, LifeCycle... lifeCycles)
public void	run() Overrides java.lang.Thread.run. Implements java.lang.Runnable.run. This method is run by the thread when it executes.
private void	unhook()

Modifier and Type

Method and Description

public static void

deregister(LifeCycle lifeCycle)

public static ShutdownThread

Returns:

the singleton instance of the ShutdownThread

getInstance()

Returns the instance of the singleton

private void

hook()

public static boolean

isRegistered(LifeCycle lifeCycle)

public static void

public void

run()

Overrides java.lang.Thread.run.

Implements java.lang.Runnable.run.

This method is run by the thread when it executes.

private void

unhook()

Field Detail

_hooked	back to summary
private boolean _hooked

_lifeCycles	back to summary
private final List<LifeCycle> _lifeCycles

_lock	back to summary
private final AutoLock _lock

_thread	back to summary
private static final ShutdownThread _thread

LOG	back to summary
private static final Logger LOG

Constructor Detail

ShutdownThread	back to summary
private ShutdownThread() Default constructor for the singleton Registers the instance as shutdown hook with the Java Runtime

Method Detail

deregister	back to summary
public static void deregister(LifeCycle lifeCycle)

getInstance back to summary

getInstance	back to summary
public static ShutdownThread getInstance() Returns the instance of the singleton Returns:ShutdownThread the singleton instance of the `ShutdownThread`

public static ShutdownThread getInstance()

Returns the instance of the singleton

Returns:ShutdownThread: the singleton instance of the ShutdownThread

hook	back to summary
private void hook()

isRegistered	back to summary
public static boolean isRegistered(LifeCycle lifeCycle)

register	back to summary
public static void register(LifeCycle... lifeCycles)

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

run back to summary

run	back to summary
public void run() Overrides java.lang.Thread.run. Implements java.lang.Runnable.run. Doc from java.lang.Thread.run. This method is run by the thread when it executes. Subclasses of `Thread` may override this method. This method is not intended to be invoked directly. If this thread is a platform thread created with a `Runnable` task then invoking this method will invoke the task's `run` method. If this thread is a virtual thread then invoking this method directly does nothing. Annotations @Override

public void run()

Overrides java.lang.Thread.run.

Implements java.lang.Runnable.run.

Doc from java.lang.Thread.run.

This method is run by the thread when it executes. Subclasses of Thread may override this method.

This method is not intended to be invoked directly. If this thread is a platform thread created with a Runnable task then invoking this method will invoke the task's run method. If this thread is a virtual thread then invoking this method directly does nothing.

Annotations

@Override

unhook	back to summary
private void unhook()