Package org.opendaylight.raft.spi

Class BufThenFileOutputStream

java.lang.Object

java.io.OutputStream

org.opendaylight.raft.spi.BufThenFileOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public final class BufThenFileOutputStream
extends OutputStream

An OutputStream which stats off writing to a ByteBuf, but switches to a file.

Constructor Summary

Constructors

Constructor	Description
BufThenFileOutputStream(Path directory, ByteBuf buf, int threshold)	Default constructor.

Method Summary

Modifier and Type	Method	Description
void	close()
@Nullable TransientFile	file()	Returns the file created for this object.
void	flush()
long	size()	Returns the number of bytes output in this stream.
void	write(byte[] bytes, int off, int len)
void	write(int value)

Methods inherited from class java.io.OutputStream

nullOutputStream, write

Methods inherited from class java.lang.Object

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

Constructor Details

BufThenFileOutputStream

public BufThenFileOutputStream(Path directory,
 ByteBuf buf,
 int threshold)

Default constructor.

Parameters:

directory - the directory where to create temporary files

buf - the output buffer

threshold - the cutover threshold

Method Details

file

public @Nullable TransientFile file()

Returns the file created for this object.

Returns:

the file, or null if the output is below threshold

size

public long size()

Returns the number of bytes output in this stream.

Returns:

the number of bytes

write

public void write(int value)
           throws IOException

Specified by:

write in class OutputStream

Throws:

IOException

write

public void write(byte[] bytes,
 int off,
 int len)
           throws IOException

Overrides:

write in class OutputStream

Throws:

IOException

flush

public void flush()
           throws IOException

Specified by:

flush in interface Flushable

Overrides:

flush in class OutputStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class OutputStream

Throws:

IOException