Package org.apache.solr.common.util

Class FastOutputStream

java.lang.Object

java.io.OutputStream

org.apache.solr.common.util.FastOutputStream

All Implemented Interfaces:

Closeable, DataOutput, Flushable, AutoCloseable

public class FastOutputStream
extends OutputStream
implements DataOutput

Single threaded buffered OutputStream Internal Solr use only, subject to change.

Field Summary

Fields

Modifier and Type	Field	Description
protected byte[]	buf
protected final OutputStream	out
protected int	pos
protected long	written

Constructor Summary

Constructors

Constructor	Description
FastOutputStream(OutputStream w)
FastOutputStream(OutputStream sink, byte[] tempBuffer, int start)

Method Summary

Modifier and Type	Method	Description
void	close()
void	flush()
void	flush(byte[] buf, int offset, int len)	All writes to the sink will go through this method
void	flushBuffer()	Only flushes the buffer of the FastOutputStream, not that of the underlying stream.
void	reserve(int len)	reserve at least len bytes at the end of the buffer.
void	setWritten(long written)	Resets the count returned by written()
long	size()
static FastOutputStream	wrap(OutputStream sink)
void	write(byte b)
void	write(byte[] b)
void	write(byte[] arr, int off, int len)
void	write(int b)
void	writeBoolean(boolean v)
void	writeByte(int v)
void	writeBytes(String s)
void	writeChar(int v)
void	writeChars(String s)
void	writeDouble(double v)
void	writeFloat(float v)
void	writeInt(int v)
void	writeLong(long v)
void	writeShort(int v)
void	writeUTF(String s)
void	writeUtf8CharSeq(Utf8CharSequence utf8)	Copies a Utf8CharSequence without making extra copies
long	written()	Returns the number of bytes actually written to the underlying OutputStream, not including anything currently buffered by this class itself.

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

out

protected final OutputStream out

buf

protected byte[] buf

written

protected long written

pos

protected int pos

Constructor Details

FastOutputStream

public FastOutputStream(OutputStream w)

FastOutputStream

public FastOutputStream(OutputStream sink,
 byte[] tempBuffer,
 int start)

Method Details

wrap

public static FastOutputStream wrap(OutputStream sink)

write

public void write(int b)
           throws IOException

Specified by:

write in interface DataOutput

Specified by:

write in class OutputStream

Throws:

IOException

write

public void write(byte[] b)
           throws IOException

Specified by:

write in interface DataOutput

Overrides:

write in class OutputStream

Throws:

IOException

write

public void write(byte b)
           throws IOException

Throws:

IOException

write

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

Specified by:

write in interface DataOutput

Overrides:

write in class OutputStream

Throws:

IOException

reserve

public void reserve(int len)
             throws IOException

reserve at least len bytes at the end of the buffer. Invalid if len > buffer.length

Throws:

IOException

writeBoolean

public void writeBoolean(boolean v)
                  throws IOException

Specified by:

writeBoolean in interface DataOutput

Throws:

IOException

writeByte

public void writeByte(int v)
               throws IOException

Specified by:

writeByte in interface DataOutput

Throws:

IOException

writeShort

public void writeShort(int v)
                throws IOException

Specified by:

writeShort in interface DataOutput

Throws:

IOException

writeChar

public void writeChar(int v)
               throws IOException

Specified by:

writeChar in interface DataOutput

Throws:

IOException

writeInt

public void writeInt(int v)
              throws IOException

Specified by:

writeInt in interface DataOutput

Throws:

IOException

writeLong

public void writeLong(long v)
               throws IOException

Specified by:

writeLong in interface DataOutput

Throws:

IOException

writeFloat

public void writeFloat(float v)
                throws IOException

Specified by:

writeFloat in interface DataOutput

Throws:

IOException

writeDouble

public void writeDouble(double v)
                 throws IOException

Specified by:

writeDouble in interface DataOutput

Throws:

IOException

writeBytes

public void writeBytes(String s)
                throws IOException

Specified by:

writeBytes in interface DataOutput

Throws:

IOException

writeChars

public void writeChars(String s)
                throws IOException

Specified by:

writeChars in interface DataOutput

Throws:

IOException

writeUTF

public void writeUTF(String s)
              throws IOException

Specified by:

writeUTF in interface DataOutput

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

flushBuffer

public void flushBuffer()
                 throws IOException

Only flushes the buffer of the FastOutputStream, not that of the underlying stream.

Throws:

IOException

flush

public void flush(byte[] buf,
 int offset,
 int len)
           throws IOException

All writes to the sink will go through this method

Throws:

IOException

size

public long size()

written

public long written()

Returns the number of bytes actually written to the underlying OutputStream, not including anything currently buffered by this class itself.

setWritten

public void setWritten(long written)

Resets the count returned by written()

writeUtf8CharSeq

public void writeUtf8CharSeq(Utf8CharSequence utf8)
                      throws IOException

Copies a Utf8CharSequence without making extra copies

Throws:

IOException