compressor.go

// Copyright (c) 2012 The gocql Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.\

package cassandra

import (
	"github.com/golang/snappy"
)

type Compressor interface {
	Name() string
	Encode(data []byte) ([]byte, error)
	Decode(data []byte) ([]byte, error)
}

const Snappy string = "snappy"

// SnappyCompressor implements the Compressor interface and can be used to
// compress incoming and outgoing frames. The snappy compression algorithm
// aims for very high speeds and reasonable compression.
type SnappyCompressor struct{}

func (s SnappyCompressor) Name() string {
	return Snappy
}

func (s SnappyCompressor) Encode(data []byte) ([]byte, error) {
	return snappy.Encode(nil, data), nil
}

func (s SnappyCompressor) Decode(data []byte) ([]byte, error) {
	return snappy.Decode(nil, data)
}

const LZ4 string = "lz4"

type LZ4Compressor struct {
	//TODO
}

const Deflate string = "deflate"

type DeflateCompressor struct {
	//TODO
}