org.jboss.netty.handler.execution

Class OrderedDownstreamThreadPoolExecutor

java.lang.Object

java.util.concurrent.AbstractExecutorService

java.util.concurrent.ThreadPoolExecutor

org.jboss.netty.handler.execution.MemoryAwareThreadPoolExecutor

org.jboss.netty.handler.execution.OrderedMemoryAwareThreadPoolExecutor

org.jboss.netty.handler.execution.OrderedDownstreamThreadPoolExecutor

All Implemented Interfaces:

java.util.concurrent.Executor, java.util.concurrent.ExecutorService

public final class OrderedDownstreamThreadPoolExecutor
extends OrderedMemoryAwareThreadPoolExecutor

Executor which should be used for downstream ChannelEvent's. This implementation will take care of preserve the order of the events in a Channel. If you don't need to preserve the order just use one of the Executor implementations provided by the static methods of Executors.

For more informations about how the order is preserved see OrderedMemoryAwareThreadPoolExecutor

Nested Class Summary

Nested classes/interfaces inherited from class org.jboss.netty.handler.execution.OrderedMemoryAwareThreadPoolExecutor

OrderedMemoryAwareThreadPoolExecutor.ChildExecutor

Nested classes/interfaces inherited from class java.util.concurrent.ThreadPoolExecutor

java.util.concurrent.ThreadPoolExecutor.AbortPolicy, java.util.concurrent.ThreadPoolExecutor.CallerRunsPolicy, java.util.concurrent.ThreadPoolExecutor.DiscardOldestPolicy, java.util.concurrent.ThreadPoolExecutor.DiscardPolicy

Field Summary

Fields inherited from class org.jboss.netty.handler.execution.OrderedMemoryAwareThreadPoolExecutor

childExecutors

Constructor Summary

Constructors

Constructor and Description
OrderedDownstreamThreadPoolExecutor(int corePoolSize) Creates a new instance.
OrderedDownstreamThreadPoolExecutor(int corePoolSize, long keepAliveTime, java.util.concurrent.TimeUnit unit) Creates a new instance.
OrderedDownstreamThreadPoolExecutor(int corePoolSize, long keepAliveTime, java.util.concurrent.TimeUnit unit, java.util.concurrent.ThreadFactory threadFactory) Creates a new instance.

Method Summary

Modifier and Type	Method and Description
void	execute(java.lang.Runnable command)
protected java.util.concurrent.Executor	getChildExecutor(ChannelEvent e)
long	getMaxChannelMemorySize() Returns 0L
long	getMaxTotalMemorySize() Returns 0L
ObjectSizeEstimator	getObjectSizeEstimator() Return null
void	setMaxChannelMemorySize(long maxChannelMemorySize) Throws UnsupportedOperationException as there is not support for limit the memory size in this implementation
void	setObjectSizeEstimator(ObjectSizeEstimator objectSizeEstimator) Throws UnsupportedOperationException as there is not support for limit the memory size in this implementation
protected boolean	shouldCount(java.lang.Runnable task) Return false as we not need to cound the memory in this implementation

Methods inherited from class org.jboss.netty.handler.execution.OrderedMemoryAwareThreadPoolExecutor

doExecute, getChildExecutorKey, getChildExecutorKeySet, newChildExecutorMap, onAfterExecute, removeChildExecutor

Methods inherited from class org.jboss.netty.handler.execution.MemoryAwareThreadPoolExecutor

beforeExecute, decreaseCounter, doUnorderedExecute, getNotifyChannelFuturesOnShutdown, increaseCounter, remove, setNotifyChannelFuturesOnShutdown, shutdownNow, shutdownNow, terminated

Methods inherited from class java.util.concurrent.ThreadPoolExecutor

afterExecute, allowCoreThreadTimeOut, allowsCoreThreadTimeOut, awaitTermination, finalize, getActiveCount, getCompletedTaskCount, getCorePoolSize, getKeepAliveTime, getLargestPoolSize, getMaximumPoolSize, getPoolSize, getQueue, getRejectedExecutionHandler, getTaskCount, getThreadFactory, isShutdown, isTerminated, isTerminating, prestartAllCoreThreads, prestartCoreThread, purge, setCorePoolSize, setKeepAliveTime, setMaximumPoolSize, setRejectedExecutionHandler, setThreadFactory, shutdown, toString

Methods inherited from class java.util.concurrent.AbstractExecutorService

invokeAll, invokeAll, invokeAny, invokeAny, newTaskFor, newTaskFor, submit, submit, submit

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

OrderedDownstreamThreadPoolExecutor

public OrderedDownstreamThreadPoolExecutor(int corePoolSize)

Creates a new instance.

Parameters:

corePoolSize - the maximum number of active threads

OrderedDownstreamThreadPoolExecutor

public OrderedDownstreamThreadPoolExecutor(int corePoolSize,
                                           long keepAliveTime,
                                           java.util.concurrent.TimeUnit unit)

Creates a new instance.

Parameters:

corePoolSize - the maximum number of active threads

keepAliveTime - the amount of time for an inactive thread to shut itself down

unit - the TimeUnit of keepAliveTime

OrderedDownstreamThreadPoolExecutor

public OrderedDownstreamThreadPoolExecutor(int corePoolSize,
                                           long keepAliveTime,
                                           java.util.concurrent.TimeUnit unit,
                                           java.util.concurrent.ThreadFactory threadFactory)

Creates a new instance.

Parameters:

corePoolSize - the maximum number of active threads

keepAliveTime - the amount of time for an inactive thread to shut itself down

unit - the TimeUnit of keepAliveTime

threadFactory - the ThreadFactory of this pool

Method Detail

getObjectSizeEstimator

public ObjectSizeEstimator getObjectSizeEstimator()

Return null

Overrides:

getObjectSizeEstimator in class MemoryAwareThreadPoolExecutor

setObjectSizeEstimator

public void setObjectSizeEstimator(ObjectSizeEstimator objectSizeEstimator)

Throws UnsupportedOperationException as there is not support for limit the memory size in this implementation

Overrides:

setObjectSizeEstimator in class MemoryAwareThreadPoolExecutor

getMaxChannelMemorySize

public long getMaxChannelMemorySize()

Returns 0L

Overrides:

getMaxChannelMemorySize in class MemoryAwareThreadPoolExecutor

setMaxChannelMemorySize

public void setMaxChannelMemorySize(long maxChannelMemorySize)

Throws UnsupportedOperationException as there is not support for limit the memory size in this implementation

Overrides:

setMaxChannelMemorySize in class MemoryAwareThreadPoolExecutor

getMaxTotalMemorySize

public long getMaxTotalMemorySize()

Returns 0L

Overrides:

getMaxTotalMemorySize in class MemoryAwareThreadPoolExecutor

shouldCount

protected boolean shouldCount(java.lang.Runnable task)

Return false as we not need to cound the memory in this implementation

Overrides:

shouldCount in class OrderedMemoryAwareThreadPoolExecutor

execute

public void execute(java.lang.Runnable command)

Specified by:

execute in interface java.util.concurrent.Executor

Overrides:

execute in class MemoryAwareThreadPoolExecutor

getChildExecutor

protected java.util.concurrent.Executor getChildExecutor(ChannelEvent e)

Overrides:

getChildExecutor in class OrderedMemoryAwareThreadPoolExecutor