Package org.apache.bookkeeper.streaming

Class LedgerOutputStream

java.lang.Object

java.io.OutputStream

org.apache.bookkeeper.streaming.LedgerOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public class LedgerOutputStream
extends OutputStream

this class provides a streaming api to get an output stream from a ledger handle and write to it as a stream of bytes. This is built on top of ledgerhandle api and uses a buffer to cache the data written to it and writes out the entry to the ledger.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) byte[]	bbytes
(package private) int	defaultSize

Constructor Summary

Constructors

Constructor	Description
LedgerOutputStream(LedgerHandle lh)	construct a outputstream from a ledger handle.
LedgerOutputStream(LedgerHandle lh, int size)	construct a outputstream from a ledger handle.

Method Summary

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

Methods inherited from class java.io.OutputStream

nullOutputStream

Methods inherited from class java.lang.Object

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

Field Details

bbytes

byte[] bbytes

defaultSize

int defaultSize

Constructor Details

LedgerOutputStream

public LedgerOutputStream(LedgerHandle lh)

construct a outputstream from a ledger handle.

Parameters:

lh - ledger handle

LedgerOutputStream

public LedgerOutputStream(LedgerHandle lh,
 int size)

construct a outputstream from a ledger handle.

Parameters:

lh - the ledger handle

size - the size of the buffer

Method Details

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class OutputStream

flush

public void flush()

Specified by:

flush in interface Flushable

Overrides:

flush in class OutputStream

write

public void write(byte[] b)

Overrides:

write in class OutputStream

write

public void write(byte[] b,
 int off,
 int len)

Overrides:

write in class OutputStream

write

public void write(int b)
           throws IOException

Specified by:

write in class OutputStream

Throws:

IOException