org.apache.directory.mavibot.btree.serializer

Class BufferHandler

java.lang.Object

org.apache.directory.mavibot.btree.serializer.BufferHandler

public class BufferHandler
extends java.lang.Object

A class used to hide the buffer read from the underlying file.

Field Summary

Fields

Modifier and Type	Field and Description
private java.nio.ByteBuffer	buffer The buffer containing the bytes we read from the channel
private java.nio.channels.FileChannel	channel The channel we read bytes from

Constructor Summary

Constructors

Constructor and Description
BufferHandler(byte[] buffer) Create a new BufferHandler
BufferHandler(java.nio.channels.FileChannel channel, java.nio.ByteBuffer buffer) Create a new BufferHandler

Method Summary

Modifier and Type	Method and Description
byte[]	getBuffer()
byte[]	read(int len) Read a buffer containing the given number of bytes

Methods inherited from class java.lang.Object

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

Field Detail

channel

private java.nio.channels.FileChannel channel

The channel we read bytes from

buffer

private java.nio.ByteBuffer buffer

The buffer containing the bytes we read from the channel

Constructor Detail

BufferHandler

public BufferHandler(byte[] buffer)

Create a new BufferHandler

Parameters:

buffer - The buffer used to transfer data

BufferHandler

public BufferHandler(java.nio.channels.FileChannel channel,
                     java.nio.ByteBuffer buffer)

Create a new BufferHandler

Parameters:

channel - The channel to read

buffer - The buffer used to transfer data

Method Detail

getBuffer

public byte[] getBuffer()

read

public byte[] read(int len)
            throws java.io.IOException

Read a buffer containing the given number of bytes

Parameters:

len - The number of bytes to read

Returns:

Throws:

java.io.IOException