org.apache.hadoop.hive.ql.txn.compactor
Class Worker

java.lang.Object
  java.lang.Thread
      org.apache.hadoop.hive.ql.txn.compactor.Worker

All Implemented Interfaces:

Runnable, MetaStoreThread

public class Worker
extends Thread

A class to do compactions. This will run in a separate thread. It will spin on the compaction queue and look for new work to do.

Nested Class Summary

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

Thread.State, Thread.UncaughtExceptionHandler

Nested classes/interfaces inherited from interface org.apache.hadoop.hive.metastore.MetaStoreThread

MetaStoreThread.BooleanPointer

Field Summary

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Worker()

Method Summary

static String	hostname() Get the hostname that this worker is run on.
void	init(MetaStoreThread.BooleanPointer stop)
void	run()
void	setHiveConf(HiveConf conf)
void	setThreadId(int threadId)

Methods inherited from class java.lang.Thread

activeCount, checkAccess, 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, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.hadoop.hive.metastore.MetaStoreThread

start

Constructor Detail

Worker

public Worker()

Method Detail

hostname

public static String hostname()

Get the hostname that this worker is run on. Made static and public so that other classes can use the same method to know what host their worker threads are running on.

Returns:

hostname

run

public void run()

Specified by:

run in interface Runnable

Overrides:

run in class Thread

init

public void init(MetaStoreThread.BooleanPointer stop)
          throws org.apache.hadoop.hive.metastore.api.MetaException

Specified by:

init in interface MetaStoreThread

Throws:

org.apache.hadoop.hive.metastore.api.MetaException

setHiveConf

public void setHiveConf(HiveConf conf)

Specified by:

setHiveConf in interface MetaStoreThread

setThreadId

public void setThreadId(int threadId)

Specified by:

setThreadId in interface MetaStoreThread