Package org.apache.hadoop.hbase.regionserver.wal

Class WALDecompressionBoundedDelegatingInputStream

java.lang.Object

java.io.InputStream

org.apache.hadoop.hbase.regionserver.wal.WALDecompressionBoundedDelegatingInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

@Private
class WALDecompressionBoundedDelegatingInputStream
extends InputStream

This class is only used by WAL ValueCompressor for decompression.

WARNING: The implementation is very tricky and does not follow typical InputStream pattern, so do not use it in any other places.

Field Summary

Fields

Modifier and Type	Field	Description
private InputStream	in
private long	limit
private static final org.slf4j.Logger	LOG
private long	pos

Constructor Summary

Constructors

Constructor	Description
WALDecompressionBoundedDelegatingInputStream()

Method Summary

Modifier and Type	Method	Description
int	available()
int	read()
int	read(byte[] b, int off, int len)
void	reset(InputStream in, long limit)
long	skip(long len)

Methods inherited from class java.io.InputStream

close, mark, markSupported, nullInputStream, read, readAllBytes, readNBytes, readNBytes, reset, skipNBytes, transferTo

Methods inherited from class java.lang.Object

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

Field Details

LOG

private static final org.slf4j.Logger LOG

in

private InputStream in

pos

private long pos

limit

private long limit

Constructor Details

WALDecompressionBoundedDelegatingInputStream

WALDecompressionBoundedDelegatingInputStream()

Method Details

reset

public void reset(InputStream in,
 long limit)

read

public int read()
         throws IOException

Specified by:

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

skip

public long skip(long len)
          throws IOException

Overrides:

skip in class InputStream

Throws:

IOException

available

public int available()
              throws IOException

Overrides:

available in class InputStream

Throws:

IOException