org.apache.kafka.common.network
Class NetworkReceive

java.lang.Object
  org.apache.kafka.common.network.NetworkReceive

All Implemented Interfaces:

Receive

public class NetworkReceive
extends java.lang.Object
implements Receive

A size delimited Receive that consists of a 4 byte network-ordered size N followed by N bytes of content

Constructor Summary

NetworkReceive(int source)

NetworkReceive(int source, java.nio.ByteBuffer buffer)

Method Summary

boolean	complete() Are we done receiving data?
java.nio.ByteBuffer	payload()
long	readFrom(java.nio.channels.ScatteringByteChannel channel) Read bytes into this receive from the given channel
java.nio.ByteBuffer[]	reify() Turn this receive into ByteBuffer instances, if possible (otherwise returns null).
int	source() The numeric id of the source from which we are receiving data.

Methods inherited from class java.lang.Object

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

Constructor Detail

NetworkReceive

public NetworkReceive(int source,
                      java.nio.ByteBuffer buffer)

NetworkReceive

public NetworkReceive(int source)

Method Detail

source

public int source()

Description copied from interface: Receive

The numeric id of the source from which we are receiving data.

Specified by:

source in interface Receive

complete

public boolean complete()

Description copied from interface: Receive

Are we done receiving data?

Specified by:

complete in interface Receive

reify

public java.nio.ByteBuffer[] reify()

Description copied from interface: Receive

Turn this receive into ByteBuffer instances, if possible (otherwise returns null).

Specified by:

reify in interface Receive

readFrom

public long readFrom(java.nio.channels.ScatteringByteChannel channel)
              throws java.io.IOException

Description copied from interface: Receive

Read bytes into this receive from the given channel

Specified by:

readFrom in interface Receive

Parameters:

channel - The channel to read from

Returns:

The number of bytes read

Throws:

java.io.IOException - If the reading fails

payload

public java.nio.ByteBuffer payload()