com.sleepycat.bdb.util
Class FastInputStream

java.lang.Object
  java.io.InputStream
      com.sleepycat.bdb.util.FastInputStream

All Implemented Interfaces:

java.io.Closeable

Direct Known Subclasses:

TupleInput

public class FastInputStream
extends java.io.InputStream

A replacement for ByteArrayInputStream that does not synchronize every byte read.

Field Summary

protected byte[]	buf
protected int	len
protected int	mark
protected int	off

Constructor Summary

FastInputStream(byte[] buffer)
Creates an input stream.

FastInputStream(byte[] buffer, int offset, int length)
Creates an input stream.

Method Summary

int	available()
byte[]	getBufferBytes() Returns the underlying data being read.
int	getBufferLength() Returns the end of the buffer being read.
int	getBufferOffset() Returns the offset at which data is being read from the buffer.
void	mark(int pos)
boolean	markSupported()
int	read()
int	read(byte[] toBuf)
int	read(byte[] toBuf, int offset, int length)
void	reset()
long	skip(long count)

Methods inherited from class java.io.InputStream

close

Methods inherited from class java.lang.Object

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

Field Detail

len

protected int len

off

protected int off

mark

protected int mark

buf

protected byte[] buf

Constructor Detail

FastInputStream

public FastInputStream(byte[] buffer)

Creates an input stream.

Parameters:

buffer - the data to read.

FastInputStream

public FastInputStream(byte[] buffer,
                       int offset,
                       int length)

Creates an input stream.

Parameters:

buffer - the data to read.

offset - the byte offset at which to begin reading.

length - the number of bytes to read.

Method Detail

available

public int available()

Overrides:

available in class java.io.InputStream

markSupported

public boolean markSupported()

Overrides:

markSupported in class java.io.InputStream

mark

public void mark(int pos)

Overrides:

mark in class java.io.InputStream

reset

public void reset()

Overrides:

reset in class java.io.InputStream

skip

public long skip(long count)

Overrides:

skip in class java.io.InputStream

read

public int read()
         throws java.io.IOException

Specified by:

read in class java.io.InputStream

Throws:

java.io.IOException

read

public int read(byte[] toBuf)
         throws java.io.IOException

Overrides:

read in class java.io.InputStream

Throws:

java.io.IOException

read

public int read(byte[] toBuf,
                int offset,
                int length)
         throws java.io.IOException

Overrides:

read in class java.io.InputStream

Throws:

java.io.IOException

getBufferBytes

public byte[] getBufferBytes()

Returns the underlying data being read.

Returns:

the underlying data.

getBufferOffset

public int getBufferOffset()

Returns the offset at which data is being read from the buffer.

Returns:

the offset at which data is being read.

getBufferLength

public int getBufferLength()

Returns the end of the buffer being read.

Returns:

the end of the buffer.