org.apache.pulsar.common.compression

Class CompressionCodecLZ4

java.lang.Object

org.apache.pulsar.common.compression.CompressionCodecLZ4

All Implemented Interfaces:

CompressionCodec

public class CompressionCodecLZ4
extends Object
implements CompressionCodec

LZ4 Compression.

Constructor Summary

Constructors

Constructor and Description
CompressionCodecLZ4()

Method Summary

Modifier and Type	Method and Description
io.netty.buffer.ByteBuf	decode(io.netty.buffer.ByteBuf encoded, int uncompressedLength) Decompress a buffer.
io.netty.buffer.ByteBuf	encode(io.netty.buffer.ByteBuf source) Compress a buffer.

Methods inherited from class java.lang.Object

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

Constructor Detail

CompressionCodecLZ4

public CompressionCodecLZ4()

Method Detail

encode

public io.netty.buffer.ByteBuf encode(io.netty.buffer.ByteBuf source)

Description copied from interface: CompressionCodec

Compress a buffer.

Specified by:

encode in interface CompressionCodec

Parameters:

source - a buffer with the uncompressed content. The reader/writer indexes will not be modified

Returns:

a new buffer with the compressed content. The buffer needs to be released by the receiver

decode

public io.netty.buffer.ByteBuf decode(io.netty.buffer.ByteBuf encoded,
                                      int uncompressedLength)
                               throws IOException

Description copied from interface: CompressionCodec

Decompress a buffer.

The buffer needs to have been compressed with the matching Encoder.

Specified by:

decode in interface CompressionCodec

Parameters:

encoded - the compressed content

uncompressedLength - the size of the original content

Returns:

a ByteBuf with the compressed content. The buffer needs to be released by the receiver

Throws:

IOException - if the decompression fails