Package org.apache.hadoop.hbase.util

Class Sleeper

java.lang.Object

org.apache.hadoop.hbase.util.Sleeper

@Private
public class Sleeper
extends Object

Sleeper for current thread. Sleeps for passed period. Also checks passed boolean and if interrupted, will return if the flag is set (rather than go back to sleep until its sleep time is up).

Field Summary

Fields

Modifier and Type	Field	Description
private static final org.slf4j.Logger	LOG
private static final long	MINIMAL_DELTA_FOR_LOGGING
private final int	period
private final Object	sleepLock
private final Stoppable	stopper
private boolean	triggerWake

Constructor Summary

Constructors

Constructor	Description
Sleeper(int sleep, Stoppable stopper)

Method Summary

Modifier and Type	Method	Description
final int	getPeriod()	Returns the sleep period in milliseconds
void	skipSleepCycle()	If currently asleep, stops sleeping; if not asleep, will skip the next sleep cycle.
void	sleep()	Sleep for period.
void	sleep(long sleepTime)

Methods inherited from class java.lang.Object

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

Field Details

LOG

private static final org.slf4j.Logger LOG

period

private final int period

stopper

private final Stoppable stopper

MINIMAL_DELTA_FOR_LOGGING

private static final long MINIMAL_DELTA_FOR_LOGGING

See Also:

• Constant Field Values

sleepLock

private final Object sleepLock

triggerWake

private boolean triggerWake

Constructor Details

Sleeper

public Sleeper(int sleep,
 Stoppable stopper)

Parameters:

sleep - sleep time in milliseconds

stopper - When Stoppable.isStopped() is true, this thread will cleanup and exit cleanly.

Method Details

skipSleepCycle

public void skipSleepCycle()

If currently asleep, stops sleeping; if not asleep, will skip the next sleep cycle.

sleep

public void sleep()

Sleep for period.

sleep

public void sleep(long sleepTime)

getPeriod

public final int getPeriod()

Returns the sleep period in milliseconds