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java.lang.Objectjava.lang.Thread
de.malowa.ShutdownHook
public class ShutdownHook
The ShutdownHook
will be called when the Postfix service
terminates. It ensures that all database connection will be closed. Other
classes implementing the interface ShutdownWatcher
can be
registered. They will be informed of the termination and may also free
resources safely.
Nested Class Summary |
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Nested classes/interfaces inherited from class java.lang.Thread |
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java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler |
Field Summary |
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Fields inherited from class java.lang.Thread |
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MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY |
Constructor Summary | |
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ShutdownHook()
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Method Summary | |
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void |
register(ShutdownWatcher watcher)
Registers a class that will be notified when the program shuts down. |
void |
run()
Informs all registered classes of shutdown and shuts down all the databases. |
Methods inherited from class java.lang.Thread |
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activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public ShutdownHook()
Method Detail |
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public void run()
run
in interface java.lang.Runnable
run
in class java.lang.Thread
public void register(ShutdownWatcher watcher)
watcher
- that will be notified
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