Package org.apache.hadoop.hbase.ipc

Class BufferChain

java.lang.Object

org.apache.hadoop.hbase.ipc.BufferChain

@Private
class BufferChain
extends Object

Chain of ByteBuffers. Used writing out an array of byte buffers.

Field Summary

Fields

Modifier and Type	Field	Description
private final ByteBuffer[]	buffers
private int	remaining
private int	size

Constructor Summary

Constructors

Constructor	Description
BufferChain(ByteBuffer... buffers)

Method Summary

Modifier and Type	Method	Description
(package private) ByteBuffer[]	getBuffers()
(package private) byte[]	getBytes()	Expensive.
(package private) boolean	hasRemaining()
(package private) int	size()
(package private) long	write(GatheringByteChannel channel)

Methods inherited from class java.lang.Object

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

Field Details

buffers

private final ByteBuffer[] buffers

remaining

private int remaining

size

private int size

Constructor Details

BufferChain

BufferChain(ByteBuffer... buffers)

Method Details

getBytes

byte[] getBytes()

Expensive. Makes a new buffer to hold a copy of what is in contained ByteBuffers. This call drains this instance; it cannot be used subsequent to the call.

Returns:

A new byte buffer with the content of all contained ByteBuffers.

hasRemaining

boolean hasRemaining()

write

long write(GatheringByteChannel channel)
    throws IOException

Throws:

IOException

size

int size()

getBuffers

ByteBuffer[] getBuffers()