org.apache.kafka.common.message
Class KafkaLZ4BlockInputStream

java.lang.Object
  java.io.InputStream
      java.io.FilterInputStream
          org.apache.kafka.common.message.KafkaLZ4BlockInputStream

All Implemented Interfaces:

java.io.Closeable

public final class KafkaLZ4BlockInputStream
extends java.io.FilterInputStream

A partial implementation of the v1.4.1 LZ4 Frame format.

See Also:

LZ4 Framing Format Spec

Field Summary

static java.lang.String	BLOCK_HASH_MISMATCH
static java.lang.String	DESCRIPTOR_HASH_MISMATCH
static java.lang.String	NOT_SUPPORTED
static java.lang.String	PREMATURE_EOS

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

KafkaLZ4BlockInputStream(java.io.InputStream in)
Create a new InputStream that will decompress data using the LZ4 algorithm.

Method Summary

int	available()
void	close()
void	mark(int readlimit)
boolean	markSupported()
int	read()
int	read(byte[] b, int off, int len)
void	reset()
long	skip(long n)

Methods inherited from class java.io.FilterInputStream

read

Methods inherited from class java.lang.Object

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

Field Detail

PREMATURE_EOS

public static final java.lang.String PREMATURE_EOS

See Also:

Constant Field Values

NOT_SUPPORTED

public static final java.lang.String NOT_SUPPORTED

See Also:

Constant Field Values

BLOCK_HASH_MISMATCH

public static final java.lang.String BLOCK_HASH_MISMATCH

See Also:

Constant Field Values

DESCRIPTOR_HASH_MISMATCH

public static final java.lang.String DESCRIPTOR_HASH_MISMATCH

See Also:

Constant Field Values

Constructor Detail

KafkaLZ4BlockInputStream

public KafkaLZ4BlockInputStream(java.io.InputStream in)
                         throws java.io.IOException

Create a new InputStream that will decompress data using the LZ4 algorithm.

Parameters:

in - The stream to decompress

Throws:

java.io.IOException

Method Detail

read

public int read()
         throws java.io.IOException

Overrides:

read in class java.io.FilterInputStream

Throws:

java.io.IOException

read

public int read(byte[] b,
                int off,
                int len)
         throws java.io.IOException

Overrides:

read in class java.io.FilterInputStream

Throws:

java.io.IOException

skip

public long skip(long n)
          throws java.io.IOException

Overrides:

skip in class java.io.FilterInputStream

Throws:

java.io.IOException

available

public int available()
              throws java.io.IOException

Overrides:

available in class java.io.FilterInputStream

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Overrides:

close in class java.io.FilterInputStream

Throws:

java.io.IOException

mark

public void mark(int readlimit)

Overrides:

mark in class java.io.FilterInputStream

reset

public void reset()
           throws java.io.IOException

Overrides:

reset in class java.io.FilterInputStream

Throws:

java.io.IOException

markSupported

public boolean markSupported()

Overrides:

markSupported in class java.io.FilterInputStream