Package org.apache.pulsar.common.compression

Class CompressionCodecZstd

java.lang.Object

org.apache.pulsar.common.compression.CompressionCodecZstd

All Implemented Interfaces:

CompressionCodec

public class CompressionCodecZstd
extends Object
implements CompressionCodec

Zstandard Compression.

Constructor Summary

Constructors

Constructor	Description
CompressionCodecZstd()

Method Summary

Modifier and Type	Method	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 Details

CompressionCodecZstd

public CompressionCodecZstd()

Method Details

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