com.hazelcast.internal.util

Class RuntimeAvailableProcessors

java.lang.Object

com.hazelcast.internal.util.RuntimeAvailableProcessors

public final class RuntimeAvailableProcessors
extends Object

Utility class to access Runtime.availableProcessors() and optionally override its return value.

This class makes the number of available processors configurable for the sake of testing. override(int) and resetOverride() should only be used for testing purposes.

Method Summary

Modifier and Type	Method and Description
static int	get() Returns the number of available processors.
static void	override(int availableProcessors) Overrides the number of available processors returned by the method get().
static void	overrideDefault(int availableProcessors) Overrides the number of available processors that are set by the method override(int)
static void	resetOverride() Resets the overridden number of available processors to Runtime.availableProcessors().

Methods inherited from class java.lang.Object

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

Method Detail

get

public static int get()

Returns the number of available processors.

Returned value is either equal to Runtime.availableProcessors() or an overridden value by call of the method override(int).

Returns:

number of available processors

override

public static void override(int availableProcessors)

Overrides the number of available processors returned by the method get().

This is to be used only for testing.

Parameters:

availableProcessors - number of available processors

overrideDefault

public static void overrideDefault(int availableProcessors)

Overrides the number of available processors that are set by the method override(int)

This is to be used only for testing.

Parameters:

availableProcessors -

resetOverride

public static void resetOverride()

Resets the overridden number of available processors to Runtime.availableProcessors().

This is to be used only for testing.