org.apache.zookeeper.server
Class SyncRequestProcessor

java.lang.Object
  java.lang.Thread
      org.apache.zookeeper.server.SyncRequestProcessor

All Implemented Interfaces:

java.lang.Runnable, RequestProcessor

public class SyncRequestProcessor
extends java.lang.Thread
implements RequestProcessor

This RequestProcessor logs requests to disk. It batches the requests to do the io efficiently. The request is not passed to the next RequestProcessor until its log has been synced to disk.

Nested Class Summary

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

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

Nested classes/interfaces inherited from interface org.apache.zookeeper.server.RequestProcessor

RequestProcessor.RequestProcessorException

Field Summary

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

SyncRequestProcessor(ZooKeeperServer zks, RequestProcessor nextProcessor)

Method Summary

static int	getSnapCount() used by tests to get the snapcount
void	processRequest(Request request)
void	run()
static void	setSnapCount(int count) used by tests to check for changing snapcounts
void	shutdown()

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

Constructor Detail

SyncRequestProcessor

public SyncRequestProcessor(ZooKeeperServer zks,
                            RequestProcessor nextProcessor)

Method Detail

setSnapCount

public static void setSnapCount(int count)

used by tests to check for changing snapcounts

Parameters:

count -

getSnapCount

public static int getSnapCount()

used by tests to get the snapcount

Returns:

the snapcount

run

public void run()

Specified by:

run in interface java.lang.Runnable

Overrides:

run in class java.lang.Thread

shutdown

public void shutdown()

Specified by:

shutdown in interface RequestProcessor

processRequest

public void processRequest(Request request)

Specified by:

processRequest in interface RequestProcessor