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no_strategy.go
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/
no_strategy.go
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// Unless explicitly stated otherwise all files in this repository are licensed
// under the Apache License Version 2.0.
// This product includes software developed at Datadog (https://www.datadoghq.com/).
// Copyright 2016-present Datadog, Inc.
// Package strategy provides a set of functions for compressing with zlib / zstd
package strategy
import (
"bytes"
"github.com/DataDog/datadog-agent/comp/serializer/compression"
)
// NoopStrategy is the strategy for when serializer_compressor_kind is neither zlib nor zstd
type NoopStrategy struct {
}
// NewNoopStrategy returns a new NoopStrategy for when kind is neither zlib nor zstd
func NewNoopStrategy() *NoopStrategy {
return &NoopStrategy{}
}
// Compress implements the Compress method for NoopStrategy to satisfy the Compressor interface
func (s *NoopStrategy) Compress(src []byte) ([]byte, error) {
return src, nil
}
// Decompress implements the Decompress method for NoopStrategy to satisfy the Compressor interface
func (s *NoopStrategy) Decompress(src []byte) ([]byte, error) {
return src, nil
}
// CompressBound implements the CompressBound method for NoopStrategy to satisfy the Compressor interface
func (s *NoopStrategy) CompressBound(sourceLen int) int {
return sourceLen
}
// ContentEncoding implements the ContentEncoding method for NoopStrategy to satisfy the Compressor interface
func (s *NoopStrategy) ContentEncoding() string {
return ""
}
// NewStreamCompressor returns a nil when there is no compression implementation.
func (s *NoopStrategy) NewStreamCompressor(_ *bytes.Buffer) compression.StreamCompressor {
return nil
}