org.jboss.netty.channel
Class FixedReceiveBufferSizePredictor

java.lang.Object
  org.jboss.netty.channel.FixedReceiveBufferSizePredictor

All Implemented Interfaces:

ReceiveBufferSizePredictor

public class FixedReceiveBufferSizePredictor
extends java.lang.Object
implements ReceiveBufferSizePredictor

The ReceiveBufferSizePredictor that always yields the same buffer size prediction. This predictor ignores the feed back from the I/O thread.

Version:

$Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $

Author:

The Netty Project, Trustin Lee

Constructor Summary

FixedReceiveBufferSizePredictor(int bufferSize)
Creates a new predictor that always returns the same prediction of the specified buffer size.

Method Summary

int	nextReceiveBufferSize() Predicts the capacity of the ChannelBuffer for the next read operation depending on the actual number of read bytes in the previous read operation.
void	previousReceiveBufferSize(int previousReceiveBufferSize) Updates this predictor by specifying the actual number of read bytes in the previous read operation.

Methods inherited from class java.lang.Object

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

Constructor Detail

FixedReceiveBufferSizePredictor

public FixedReceiveBufferSizePredictor(int bufferSize)

Creates a new predictor that always returns the same prediction of the specified buffer size.

Method Detail

nextReceiveBufferSize

public int nextReceiveBufferSize()

Description copied from interface: ReceiveBufferSizePredictor

Predicts the capacity of the ChannelBuffer for the next read operation depending on the actual number of read bytes in the previous read operation.

Specified by:

nextReceiveBufferSize in interface ReceiveBufferSizePredictor

Returns:

the expected number of readable bytes this time

previousReceiveBufferSize

public void previousReceiveBufferSize(int previousReceiveBufferSize)

Description copied from interface: ReceiveBufferSizePredictor

Updates this predictor by specifying the actual number of read bytes in the previous read operation.

Specified by:

previousReceiveBufferSize in interface ReceiveBufferSizePredictor

Parameters:

previousReceiveBufferSize - the actual number of read bytes in the previous read operation