Package 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	Description
private Procedure<TEnvironment>	activeProcedure
private final AtomicLong	executionStartTime

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
long	getCurrentRunTime()	Returns the time since the current procedure is running
protected boolean	keepAlive(long lastUpdate)
void	run()
private long	runProcedure()	Encapsulates execution of the current activeProcedure for easy tracing.
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 Details

executionStartTime

private final AtomicLong executionStartTime

activeProcedure

private volatile Procedure<TEnvironment> activeProcedure

Constructor Details

WorkerThread

public WorkerThread(ThreadGroup group)

WorkerThread

protected WorkerThread(ThreadGroup group,
 String prefix)

Method Details

sendStopSignal

public void sendStopSignal()

Specified by:

sendStopSignal in class StoppableThread

runProcedure

private long runProcedure()
                   throws IOException

Encapsulates execution of the current activeProcedure for easy tracing.

Throws:

IOException

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)