org.apache.zookeeper.server.quorum

Class ReadOnlyRequestProcessor

java.lang.Object

java.lang.Thread

org.apache.zookeeper.server.ZooKeeperThread

org.apache.zookeeper.server.ZooKeeperCriticalThread

org.apache.zookeeper.server.quorum.ReadOnlyRequestProcessor

All Implemented Interfaces:

Runnable, RequestProcessor

public class ReadOnlyRequestProcessor
extends ZooKeeperCriticalThread
implements RequestProcessor

This processor is at the beginning of the ReadOnlyZooKeeperServer's processors chain. All it does is, it passes read-only operations (e.g. OpCode.getData, OpCode.exists) through to the next processor, but drops state-changing operations (e.g. OpCode.create, OpCode.setData).

Nested Class Summary

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

Thread.State, 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

Constructors

Constructor and Description
ReadOnlyRequestProcessor(ZooKeeperServer zks, RequestProcessor nextProcessor)

Method Summary

Modifier and Type	Method and Description
void	processRequest(Request request)
void	run()
void	shutdown()

Methods inherited from class org.apache.zookeeper.server.ZooKeeperCriticalThread

handleException

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

ReadOnlyRequestProcessor

public ReadOnlyRequestProcessor(ZooKeeperServer zks,
                                RequestProcessor nextProcessor)

Method Detail

run

public void run()

Specified by:

run in interface Runnable

Overrides:

run in class Thread

processRequest

public void processRequest(Request request)

Specified by:

processRequest in interface RequestProcessor

shutdown

public void shutdown()

Specified by:

shutdown in interface RequestProcessor