Class NettyRuntime

java.lang.Object

io.netty.util.NettyRuntime

public final class NettyRuntime
extends Object

A utility class for wrapping calls to Runtime.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	NettyRuntime.AvailableProcessorsHolder	Holder class for available processors to enable testing.

Field Summary

Fields

Modifier and Type	Field	Description
private static final NettyRuntime.AvailableProcessorsHolder	holder

Constructor Summary

Constructors

Modifier	Constructor	Description
private	NettyRuntime()	No public constructor to prevent instances from being created.

Method Summary

Modifier and Type	Method	Description
static int	availableProcessors()	Get the configured number of available processors.
static void	setAvailableProcessors(int availableProcessors)	Set the number of available processors.

Methods inherited from class Object

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

Field Details

holder

private static final NettyRuntime.AvailableProcessorsHolder holder

Constructor Details

NettyRuntime

private NettyRuntime()

No public constructor to prevent instances from being created.

Method Details

setAvailableProcessors

public static void setAvailableProcessors(int availableProcessors)

Set the number of available processors.

Parameters:

availableProcessors - the number of available processors

Throws:

IllegalArgumentException - if the specified number of available processors is non-positive

IllegalStateException - if the number of available processors is already configured

availableProcessors

public static int availableProcessors()

Get the configured number of available processors. The default is Runtime.availableProcessors(). This can be overridden by setting the system property "io.netty.availableProcessors" or by invoking setAvailableProcessors(int) before any calls to this method.

Returns:

the configured number of available processors