Class FileChannelInputStream

java.lang.Object

java.io.InputStream

org.h2.store.fs.FileChannelInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class FileChannelInputStream
extends InputStream

Allows to read from a file channel like an input stream.

Field Summary

Fields

Modifier and Type	Field	Description
private ByteBuffer	buffer
private final FileChannel	channel
private final boolean	closeChannel
private long	pos

Constructor Summary

Constructors

Constructor	Description
FileChannelInputStream(FileChannel channel, boolean closeChannel)	Create a new file object input stream from the file channel.

Method Summary

Modifier and Type	Method	Description
void	close()
int	read()
int	read(byte[] b)
int	read(byte[] b, int off, int len)

Methods inherited from class InputStream

available, mark, markSupported, nullInputStream, readAllBytes, readNBytes, readNBytes, reset, skip, skipNBytes, transferTo

Methods inherited from class Object

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

Field Details

channel

private final FileChannel channel

closeChannel

private final boolean closeChannel

buffer

private ByteBuffer buffer

pos

private long pos

Constructor Details

FileChannelInputStream

public FileChannelInputStream(FileChannel channel,
 boolean closeChannel)

Create a new file object input stream from the file channel.

Parameters:

channel - the file channel

closeChannel - whether closing the stream should close the channel

Method Details

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

read

public int read(byte[] b)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

read

public int read(byte[] b,
 int off,
 int len)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class InputStream

Throws:

IOException