FixedReceiveBufferSizePredictor

java.lang.Object

org.jboss.netty.channel.FixedReceiveBufferSizePredictor

All Implemented Interfaces:: ReceiveBufferSizePredictor

public class FixedReceiveBufferSizePredictor extends Object implements ReceiveBufferSizePredictor

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

Field Summary

Fields

Modifier and Type

Field

Description

private final int

bufferSize
Constructor Summary

Constructors

Constructor

Description

FixedReceiveBufferSizePredictor(int bufferSize)

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

Modifier and Type

Method

Description

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

Field Details
- bufferSize
  
  private final int bufferSize
Constructor Details
- FixedReceiveBufferSizePredictor
  
  public FixedReceiveBufferSizePredictor(int bufferSize)
  
  Creates a new predictor that always returns the same prediction of the specified buffer size.
Method Details
- 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