Class NioEventLoopGroup

java.lang.Object

io.netty.util.concurrent.AbstractEventExecutorGroup

io.netty.util.concurrent.MultithreadEventExecutorGroup

io.netty.channel.MultithreadEventLoopGroup

io.netty.channel.MultiThreadIoEventLoopGroup

io.netty.channel.nio.NioEventLoopGroup

All Implemented Interfaces:

EventLoopGroup, IoEventLoopGroup, EventExecutorGroup, Iterable<EventExecutor>, Executor, ExecutorService, ScheduledExecutorService

@Deprecated
public class NioEventLoopGroup
extends MultiThreadIoEventLoopGroup
implements IoEventLoopGroup

Deprecated.

Use MultiThreadIoEventLoopGroup with NioIoHandler.newFactory().

MultiThreadIoEventLoopGroup implementation which is used for NIO Selector based Channels.

Constructor Summary

Constructors

Constructor	Description
NioEventLoopGroup()	Deprecated. Create a new instance using the default number of threads, the default ThreadFactory and the SelectorProvider which is returned by SelectorProvider.provider().
NioEventLoopGroup(int nThreads)	Deprecated. Create a new instance using the specified number of threads, ThreadFactory and the SelectorProvider which is returned by SelectorProvider.provider().
NioEventLoopGroup(int nThreads, Executor executor)	Deprecated.
NioEventLoopGroup(int nThreads, Executor executor, EventExecutorChooserFactory chooserFactory, SelectorProvider selectorProvider, SelectStrategyFactory selectStrategyFactory)	Deprecated.
NioEventLoopGroup(int nThreads, Executor executor, EventExecutorChooserFactory chooserFactory, SelectorProvider selectorProvider, SelectStrategyFactory selectStrategyFactory, RejectedExecutionHandler rejectedExecutionHandler)	Deprecated.
NioEventLoopGroup(int nThreads, Executor executor, EventExecutorChooserFactory chooserFactory, SelectorProvider selectorProvider, SelectStrategyFactory selectStrategyFactory, RejectedExecutionHandler rejectedExecutionHandler, EventLoopTaskQueueFactory taskQueueFactory)	Deprecated.
NioEventLoopGroup(int nThreads, Executor executor, EventExecutorChooserFactory chooserFactory, SelectorProvider selectorProvider, SelectStrategyFactory selectStrategyFactory, RejectedExecutionHandler rejectedExecutionHandler, EventLoopTaskQueueFactory taskQueueFactory, EventLoopTaskQueueFactory tailTaskQueueFactory)	Deprecated.
NioEventLoopGroup(int nThreads, Executor executor, SelectorProvider selectorProvider)	Deprecated.
NioEventLoopGroup(int nThreads, Executor executor, SelectorProvider selectorProvider, SelectStrategyFactory selectStrategyFactory)	Deprecated.
NioEventLoopGroup(int nThreads, ThreadFactory threadFactory)	Deprecated. Create a new instance using the specified number of threads, the given ThreadFactory and the SelectorProvider which is returned by SelectorProvider.provider().
NioEventLoopGroup(int nThreads, ThreadFactory threadFactory, SelectorProvider selectorProvider)	Deprecated. Create a new instance using the specified number of threads, the given ThreadFactory and the given SelectorProvider.
NioEventLoopGroup(int nThreads, ThreadFactory threadFactory, SelectorProvider selectorProvider, SelectStrategyFactory selectStrategyFactory)	Deprecated.
NioEventLoopGroup(ThreadFactory threadFactory)	Deprecated. Create a new instance using the default number of threads, the given ThreadFactory and the SelectorProvider which is returned by SelectorProvider.provider().

Method Summary

Modifier and Type	Method	Description
protected IoEventLoop	newChild(Executor executor, IoHandlerFactory ioHandlerFactory, Object... args)	Deprecated. Creates a new IoEventLoop to use with the given Executor and IoHandler.
void	rebuildSelectors()	Deprecated. Replaces the current Selectors of the child event loops with newly created Selectors to work around the infamous epoll 100% CPU bug.
void	setIoRatio(int ioRatio)	Deprecated.

Methods inherited from class MultiThreadIoEventLoopGroup

newChild, next

Modifier and Type	Method	Description
protected EventLoop	newChild(Executor executor, Object... args)	Create a new EventExecutor which will later then accessible via the MultithreadEventExecutorGroup.next() method.
IoEventLoop	next()	Returns one of the EventExecutors managed by this EventExecutorGroup.

Methods inherited from class MultithreadEventLoopGroup

newDefaultThreadFactory, register, register, register

Modifier and Type	Method	Description
protected ThreadFactory	newDefaultThreadFactory()
ChannelFuture	register(Channel channel)	Register a Channel with this EventLoop.
ChannelFuture	register(ChannelPromise promise)	Register a Channel with this EventLoop using a ChannelFuture.
ChannelFuture	register(Channel channel, ChannelPromise promise)	Deprecated.

Methods inherited from class MultithreadEventExecutorGroup

activeExecutorCount, awaitTermination, executorCount, executorUtilizations, isShutdown, isShuttingDown, isTerminated, iterator, shutdown, shutdownGracefully, terminationFuture

Modifier and Type	Method	Description
int	activeExecutorCount()	Returns the number of currently active threads if the group is using an EventExecutorChooserFactory.ObservableEventExecutorChooser.
boolean	awaitTermination(long timeout, TimeUnit unit)
final int	executorCount()	Return the number of EventExecutor this implementation uses.
List<AutoScalingEventExecutorChooserFactory.AutoScalingUtilizationMetric>	executorUtilizations()	Returns a list of real-time utilization metrics if the group was configured with a compatible EventExecutorChooserFactory, otherwise an empty list.
boolean	isShutdown()
boolean	isShuttingDown()	Returns true if and only if all EventExecutors managed by this EventExecutorGroup are being shut down gracefully or was shut down.
boolean	isTerminated()
Iterator<EventExecutor>	iterator()
void	shutdown()	Deprecated.
Future<?>	shutdownGracefully(long quietPeriod, long timeout, TimeUnit unit)	Signals this executor that the caller wants the executor to be shut down.
Future<?>	terminationFuture()	Returns the Future which is notified when all EventExecutors managed by this EventExecutorGroup have been terminated.

Methods inherited from class AbstractEventExecutorGroup

execute, invokeAll, invokeAll, invokeAny, invokeAny, schedule, schedule, scheduleAtFixedRate, scheduleWithFixedDelay, shutdownGracefully, shutdownNow, submit, submit, submit

Modifier and Type	Method	Description
void	execute(Runnable command)
<T> List<Future<T>>	invokeAll(Collection<? extends Callable<T>> tasks)
<T> List<Future<T>>	invokeAll(Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit)
<T> T	invokeAny(Collection<? extends Callable<T>> tasks)
<T> T	invokeAny(Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit)
ScheduledFuture<?>	schedule(Runnable command, long delay, TimeUnit unit)
<V> ScheduledFuture<V>	schedule(Callable<V> callable, long delay, TimeUnit unit)
ScheduledFuture<?>	scheduleAtFixedRate(Runnable command, long initialDelay, long period, TimeUnit unit)
ScheduledFuture<?>	scheduleWithFixedDelay(Runnable command, long initialDelay, long delay, TimeUnit unit)
Future<?>	shutdownGracefully()	Shortcut method for EventExecutorGroup.shutdownGracefully(long, long, TimeUnit) with sensible default values.
List<Runnable>	shutdownNow()	Deprecated. EventExecutorGroup.shutdownGracefully(long, long, TimeUnit) or AbstractEventExecutorGroup.shutdownGracefully() instead.
Future<?>	submit(Runnable task)
<T> Future<T>	submit(Runnable task, T result)
<T> Future<T>	submit(Callable<T> task)

Methods inherited from class Object

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

Methods inherited from interface EventExecutorGroup

ticker

Modifier and Type	Method	Description
default Ticker	ticker()	The ticker for this executor.

Methods inherited from interface IoEventLoopGroup

isCompatible, isIoType, register, register, register

Modifier and Type	Method	Description
default boolean	isCompatible(Class<? extends IoHandle> handleType)	Returns true if the given type is compatible with this IoEventLoopGroup and so can be registered to the contained IoEventLoops, false otherwise.
default boolean	isIoType(Class<? extends IoHandler> handlerType)	Returns true if the given IoHandler type is used by this IoEventLoopGroup, false otherwise.
default ChannelFuture	register(Channel channel)	Deprecated. Use IoEventLoopGroup.register(IoHandle)
default ChannelFuture	register(ChannelPromise promise)	Deprecated. Use IoEventLoopGroup.register(IoHandle)
default Future<IoRegistration>	register(IoHandle handle)	Register the IoHandle to the EventLoop for I/O processing.

Methods inherited from interface Iterable

forEach, spliterator

Constructor Details

NioEventLoopGroup

public NioEventLoopGroup()

Deprecated.

Create a new instance using the default number of threads, the default ThreadFactory and the SelectorProvider which is returned by SelectorProvider.provider().

NioEventLoopGroup

public NioEventLoopGroup(int nThreads)

Deprecated.

Create a new instance using the specified number of threads, ThreadFactory and the SelectorProvider which is returned by SelectorProvider.provider().

NioEventLoopGroup

public NioEventLoopGroup(ThreadFactory threadFactory)

Deprecated.

Create a new instance using the default number of threads, the given ThreadFactory and the SelectorProvider which is returned by SelectorProvider.provider().

NioEventLoopGroup

public NioEventLoopGroup(int nThreads,
 ThreadFactory threadFactory)

Deprecated.

Create a new instance using the specified number of threads, the given ThreadFactory and the SelectorProvider which is returned by SelectorProvider.provider().

NioEventLoopGroup

public NioEventLoopGroup(int nThreads,
 Executor executor)

Deprecated.

NioEventLoopGroup

public NioEventLoopGroup(int nThreads,
 ThreadFactory threadFactory,
 SelectorProvider selectorProvider)

Deprecated.

Create a new instance using the specified number of threads, the given ThreadFactory and the given SelectorProvider.

NioEventLoopGroup

public NioEventLoopGroup(int nThreads,
 ThreadFactory threadFactory,
 SelectorProvider selectorProvider,
 SelectStrategyFactory selectStrategyFactory)

Deprecated.

NioEventLoopGroup

public NioEventLoopGroup(int nThreads,
 Executor executor,
 SelectorProvider selectorProvider)

Deprecated.

NioEventLoopGroup

public NioEventLoopGroup(int nThreads,
 Executor executor,
 SelectorProvider selectorProvider,
 SelectStrategyFactory selectStrategyFactory)

Deprecated.

NioEventLoopGroup

public NioEventLoopGroup(int nThreads,
 Executor executor,
 EventExecutorChooserFactory chooserFactory,
 SelectorProvider selectorProvider,
 SelectStrategyFactory selectStrategyFactory)

Deprecated.

NioEventLoopGroup

public NioEventLoopGroup(int nThreads,
 Executor executor,
 EventExecutorChooserFactory chooserFactory,
 SelectorProvider selectorProvider,
 SelectStrategyFactory selectStrategyFactory,
 RejectedExecutionHandler rejectedExecutionHandler)

Deprecated.

NioEventLoopGroup

public NioEventLoopGroup(int nThreads,
 Executor executor,
 EventExecutorChooserFactory chooserFactory,
 SelectorProvider selectorProvider,
 SelectStrategyFactory selectStrategyFactory,
 RejectedExecutionHandler rejectedExecutionHandler,
 EventLoopTaskQueueFactory taskQueueFactory)

Deprecated.

NioEventLoopGroup

public NioEventLoopGroup(int nThreads,
 Executor executor,
 EventExecutorChooserFactory chooserFactory,
 SelectorProvider selectorProvider,
 SelectStrategyFactory selectStrategyFactory,
 RejectedExecutionHandler rejectedExecutionHandler,
 EventLoopTaskQueueFactory taskQueueFactory,
 EventLoopTaskQueueFactory tailTaskQueueFactory)

Deprecated.

Parameters:

nThreads - the number of threads that will be used by this instance.

executor - the Executor to use, or null if default one should be used.

chooserFactory - the EventExecutorChooserFactory to use.

selectorProvider - the SelectorProvider to use.

selectStrategyFactory - the SelectStrategyFactory to use.

rejectedExecutionHandler - the RejectedExecutionHandler to use.

taskQueueFactory - the EventLoopTaskQueueFactory to use for SingleThreadEventExecutor.execute(Runnable), or null if default one should be used.

tailTaskQueueFactory - the EventLoopTaskQueueFactory to use for SingleThreadEventLoop.executeAfterEventLoopIteration(Runnable), or null if default one should be used.

Method Details

setIoRatio

@Deprecated
public void setIoRatio(int ioRatio)

Deprecated.

This method is a no-op.

rebuildSelectors

public void rebuildSelectors()

Deprecated.

Replaces the current Selectors of the child event loops with newly created Selectors to work around the infamous epoll 100% CPU bug.

newChild

protected IoEventLoop newChild(Executor executor,
 IoHandlerFactory ioHandlerFactory,
 Object... args)

Deprecated.

Description copied from class: MultiThreadIoEventLoopGroup

Creates a new IoEventLoop to use with the given Executor and IoHandler.

Overrides:

newChild in class MultiThreadIoEventLoopGroup

Parameters:

executor - the Executor that should be used to handle execution of tasks and IO.

ioHandlerFactory - the IoHandlerFactory that should be used to obtain IoHandler to handle IO.

args - extra arguments that are based by the constructor.

Returns:

the created IoEventLoop.