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java.lang.Objectcom.sleepycat.je.utilint.DaemonThread
public abstract class DaemonThread
A daemon thread. Also see StoppableThread for an alternative daemon construct.
Field Summary | |
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protected EnvironmentImpl |
envImpl
|
protected Logger |
logger
|
protected String |
name
|
protected int |
nWakeupRequests
|
protected boolean |
stifleExceptionChatter
|
Constructor Summary | |
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DaemonThread(long waitTime,
String name,
EnvironmentImpl envImpl)
|
Method Summary | |
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boolean |
checkErrorListener(Throwable e)
If Daemon Thread throws errors and exceptions, this function will catch it and throw a EnvironmentFailureException, and fail the test. |
protected Logger |
createLogger()
|
ExceptionListener |
getExceptionListener()
For testing. |
int |
getNWakeupRequests()
For unit testing. |
Thread |
getThread()
For testing. |
protected boolean |
isPaused()
Returns whether the daemon is currently paused/disabled. |
boolean |
isRunning()
Returns whether the onWakeup method is currently executing. |
protected boolean |
isShutdownRequested()
Returns whether shutdown has been requested. |
protected long |
nDeadlockRetries()
Returns the number of retries to perform when Deadlock Exceptions occur. |
protected abstract void |
onWakeup()
onWakeup is synchronized to ensure that multiple invocations of the DaemonThread aren't made. |
void |
requestShutdown()
|
void |
run()
|
void |
runOrPause(boolean run)
If run is true, starts the thread if not started or unpauses it if already started; if run is false, pauses the thread if started or does nothing if not started. |
void |
setExceptionListener(ExceptionListener exceptionListener)
|
void |
shutdown()
Requests shutdown and calls join() to wait for the thread to stop. |
String |
toString()
|
void |
wakeup()
|
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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protected String name
protected int nWakeupRequests
protected boolean stifleExceptionChatter
protected EnvironmentImpl envImpl
protected final Logger logger
Constructor Detail |
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public DaemonThread(long waitTime, String name, EnvironmentImpl envImpl)
Method Detail |
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public void setExceptionListener(ExceptionListener exceptionListener)
setExceptionListener
in interface DaemonRunner
setExceptionListener
in interface ExceptionListenerUser
protected Logger createLogger()
public ExceptionListener getExceptionListener()
public Thread getThread()
public void runOrPause(boolean run)
runOrPause
in interface DaemonRunner
public void requestShutdown()
requestShutdown
in interface DaemonRunner
public void shutdown()
shutdown
in interface DaemonRunner
public String toString()
toString
in class Object
public void wakeup()
public void run()
run
in interface Runnable
public boolean checkErrorListener(Throwable e)
protected long nDeadlockRetries()
protected abstract void onWakeup() throws DatabaseException
DatabaseException
protected boolean isShutdownRequested()
protected boolean isPaused()
public boolean isRunning()
public int getNWakeupRequests()
getNWakeupRequests
in interface DaemonRunner
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