Class DefaultSelectStrategy

java.lang.Object

io.netty.channel.DefaultSelectStrategy

All Implemented Interfaces:

SelectStrategy

final class DefaultSelectStrategy
extends Object
implements SelectStrategy

Default select strategy.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static final SelectStrategy	INSTANCE

Fields inherited from interface SelectStrategy

BUSY_WAIT, CONTINUE, SELECT

Constructor Summary

Constructors

Modifier	Constructor	Description
private	DefaultSelectStrategy()

Method Summary

Modifier and Type	Method	Description
int	calculateStrategy(IntSupplier selectSupplier, boolean hasTasks)	The SelectStrategy can be used to steer the outcome of a potential select call.

Methods inherited from class Object

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

Field Details

INSTANCE

static final SelectStrategy INSTANCE

Constructor Details

DefaultSelectStrategy

private DefaultSelectStrategy()

Method Details

calculateStrategy

public int calculateStrategy(IntSupplier selectSupplier,
 boolean hasTasks)
                      throws Exception

Description copied from interface: SelectStrategy

The SelectStrategy can be used to steer the outcome of a potential select call.

Specified by:

calculateStrategy in interface SelectStrategy

Parameters:

selectSupplier - The supplier with the result of a select result.

hasTasks - true if tasks are waiting to be processed.

Returns:

SelectStrategy.SELECT if the next step should be blocking select SelectStrategy.CONTINUE if the next step should be to not select but rather jump back to the IO loop and try again. Any value >= 0 is treated as an indicator that work needs to be done.

Throws:

Exception