Package org.apache.bookkeeper.bookie

Class BufferedChannelBase

java.lang.Object

org.apache.bookkeeper.bookie.BufferedChannelBase

Direct Known Subclasses:

BufferedReadChannel

public abstract class BufferedChannelBase
extends Object

A BufferedChannelBase adds functionality to an existing file channel, the ability to buffer the input and output data. This class is a base class for wrapping the FileChannel.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	BufferedChannelBase.BufferedChannelClosedException

Field Summary

Fields

Modifier and Type	Field	Description
protected final FileChannel	fileChannel

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	BufferedChannelBase(FileChannel fc)

Method Summary

Modifier and Type	Method	Description
long	size()	Get the current size of the underlying FileChannel.
protected FileChannel	validateAndGetFileChannel()

Methods inherited from class java.lang.Object

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

Field Details

fileChannel

protected final FileChannel fileChannel

Constructor Details

BufferedChannelBase

protected BufferedChannelBase(FileChannel fc)

Method Details

validateAndGetFileChannel

protected FileChannel validateAndGetFileChannel()
                                         throws IOException

Throws:

IOException

size

public long size()
          throws IOException

Get the current size of the underlying FileChannel.

Returns:

Throws:

IOException