Package io.netty.util
Class ThreadDeathWatcher
- java.lang.Object
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- io.netty.util.ThreadDeathWatcher
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@Deprecated public final class ThreadDeathWatcher extends java.lang.Object
Deprecated.will be removed in the next major releaseChecks if a thread is alive periodically and runs a task when a thread dies.This thread starts a daemon thread to check the state of the threads being watched and to invoke their associated
Runnable
s. When there is no thread to watch (i.e. all threads are dead), the daemon thread will terminate itself, and a new daemon thread will be started again when a new watch is added.
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Method Summary
All Methods Static Methods Concrete Methods Deprecated Methods Modifier and Type Method Description static boolean
awaitInactivity(long timeout, java.util.concurrent.TimeUnit unit)
Deprecated.Waits until the thread of this watcher has no threads to watch and terminates itself.static void
unwatch(java.lang.Thread thread, java.lang.Runnable task)
Deprecated.Cancels the task scheduled viawatch(Thread, Runnable)
.static void
watch(java.lang.Thread thread, java.lang.Runnable task)
Deprecated.Schedules the specifiedtask
to run when the specifiedthread
dies.
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Method Detail
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watch
public static void watch(java.lang.Thread thread, java.lang.Runnable task)
Deprecated.Schedules the specifiedtask
to run when the specifiedthread
dies.- Parameters:
thread
- theThread
to watchtask
- theRunnable
to run when thethread
dies- Throws:
java.lang.IllegalArgumentException
- if the specifiedthread
is not alive
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unwatch
public static void unwatch(java.lang.Thread thread, java.lang.Runnable task)
Deprecated.Cancels the task scheduled viawatch(Thread, Runnable)
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awaitInactivity
public static boolean awaitInactivity(long timeout, java.util.concurrent.TimeUnit unit) throws java.lang.InterruptedException
Deprecated.Waits until the thread of this watcher has no threads to watch and terminates itself. Because a new watcher thread will be started again onwatch(Thread, Runnable)
, this operation is only useful when you want to ensure that the watcher thread is terminated after your application is shut down and there's no chance of callingwatch(Thread, Runnable)
afterwards.- Returns:
true
if and only if the watcher thread has been terminated- Throws:
java.lang.InterruptedException
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