org.apache.hadoop.hbase.procedure2

Class ProcedureExecutor.WorkerThread

java.lang.Object

java.lang.Thread

org.apache.hadoop.hbase.procedure2.StoppableThread

org.apache.hadoop.hbase.procedure2.ProcedureExecutor.WorkerThread

All Implemented Interfaces:

Runnable

Direct Known Subclasses:

ProcedureExecutor.KeepAliveWorkerThread

Enclosing class:

ProcedureExecutor<TEnvironment>

private class ProcedureExecutor.WorkerThread
extends StoppableThread

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

Fields

Modifier and Type	Field and Description
private Procedure<TEnvironment>	activeProcedure
private AtomicLong	executionStartTime
private boolean	onlyPollUrgent

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Modifier	Constructor and Description
	WorkerThread(ThreadGroup group)
protected	WorkerThread(ThreadGroup group, String prefix)
protected	WorkerThread(ThreadGroup group, String prefix, boolean onlyPollUrgent)

Method Summary

Modifier and Type	Method and Description
long	getCurrentRunTime()
protected boolean	keepAlive(long lastUpdate)
void	run()
void	sendStopSignal()
String	toString()

Methods inherited from class org.apache.hadoop.hbase.procedure2.StoppableThread

awaitTermination

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, 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, yield

Methods inherited from class java.lang.Object

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

Field Detail

executionStartTime

private final AtomicLong executionStartTime

activeProcedure

private volatile Procedure<TEnvironment> activeProcedure

onlyPollUrgent

private boolean onlyPollUrgent

Constructor Detail

WorkerThread

public WorkerThread(ThreadGroup group)

WorkerThread

protected WorkerThread(ThreadGroup group,
                       String prefix)

WorkerThread

protected WorkerThread(ThreadGroup group,
                       String prefix,
                       boolean onlyPollUrgent)

Method Detail

sendStopSignal

public void sendStopSignal()

Specified by:

sendStopSignal in class StoppableThread

run

public void run()

Specified by:

run in interface Runnable

Overrides:

run in class Thread

toString

public String toString()

Overrides:

toString in class Thread

getCurrentRunTime

public long getCurrentRunTime()

Returns:

the time since the current procedure is running

keepAlive

protected boolean keepAlive(long lastUpdate)