org.apache.hadoop.hbase.util

Class MultiThreadedReader.HBaseReaderThread

java.lang.Object

java.lang.Thread

org.apache.hadoop.hbase.util.MultiThreadedReader.HBaseReaderThread

All Implemented Interfaces:

java.lang.Runnable

Direct Known Subclasses:

MultiThreadedReaderWithACL.HBaseReaderThreadWithACL

Enclosing class:

MultiThreadedReader

public class MultiThreadedReader.HBaseReaderThread
extends java.lang.Thread

Nested Class Summary

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

java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler

Field Summary

Fields

Modifier and Type	Field and Description
protected int	readerId
protected long	startTimeMs Time when the thread started
protected Table	table

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
HBaseReaderThread(int readerId)

Method Summary

Modifier and Type	Method and Description
protected void	closeTable()
protected Get	createGet(long keyToRead)
protected HTableInterface	createTable()
protected long	getNextKeyToRead()
void	queryKey(Get[] gets, boolean verify, long[] keysToRead)
void	queryKey(Get get, boolean verify, long keyToRead)
void	run()
protected void	verifyResultsAndUpdateMetrics(boolean verify, Get[] gets, long elapsedNano, Result[] results, Table table, boolean isNullExpected)
protected void	verifyResultsAndUpdateMetrics(boolean verify, Get get, long elapsedNano, Result result, Table table, boolean isNullExpected)

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, toString, yield

Methods inherited from class java.lang.Object

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

Field Detail

readerId

protected final int readerId

table

protected final Table table

startTimeMs

protected long startTimeMs

Time when the thread started

Constructor Detail

HBaseReaderThread

public HBaseReaderThread(int readerId)
                  throws java.io.IOException

Parameters:

readerId - only the keys with this remainder from division by MultiThreadedAction.numThreads will be read by this thread

Throws:

java.io.IOException

Method Detail

createTable

protected HTableInterface createTable()
                               throws java.io.IOException

Throws:

java.io.IOException

run

public void run()

Specified by:

run in interface java.lang.Runnable

Overrides:

run in class java.lang.Thread

closeTable

protected void closeTable()

getNextKeyToRead

protected long getNextKeyToRead()

createGet

protected Get createGet(long keyToRead)
                 throws java.io.IOException

Throws:

java.io.IOException

queryKey

public void queryKey(Get[] gets,
                     boolean verify,
                     long[] keysToRead)
              throws java.io.IOException

Throws:

java.io.IOException

queryKey

public void queryKey(Get get,
                     boolean verify,
                     long keyToRead)
              throws java.io.IOException

Throws:

java.io.IOException

verifyResultsAndUpdateMetrics

protected void verifyResultsAndUpdateMetrics(boolean verify,
                                             Get[] gets,
                                             long elapsedNano,
                                             Result[] results,
                                             Table table,
                                             boolean isNullExpected)
                                      throws java.io.IOException

Throws:

java.io.IOException

verifyResultsAndUpdateMetrics

protected void verifyResultsAndUpdateMetrics(boolean verify,
                                             Get get,
                                             long elapsedNano,
                                             Result result,
                                             Table table,
                                             boolean isNullExpected)
                                      throws java.io.IOException

Throws:

java.io.IOException