-
Notifications
You must be signed in to change notification settings - Fork 77
/
lz4_option.go
55 lines (49 loc) · 1.47 KB
/
lz4_option.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
//
// Copyright (C) 2019-2020 Vdaas.org Vald team ( kpango, rinx, kmrmt )
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Package compress provides compress functions
package compress
import (
"github.com/vdaas/vald/internal/errors"
)
// LZ4Option represents the functional option for lz4Compressor.
type LZ4Option func(c *lz4Compressor) error
var (
defaultLZ4Opts = []LZ4Option{
WithLZ4Gob(),
WithLZ4CompressionLevel(0),
}
)
// WithLZ4Gob returns the option to set gobc for lz4Compressor.
func WithLZ4Gob(opts ...GobOption) LZ4Option {
return func(c *lz4Compressor) error {
gobc, err := NewGob(opts...)
if err != nil {
return err
}
c.gobc = gobc
return nil
}
}
// WithLZ4CompressionLevel returns the option to set compressionLevel for lz4Compressor.
func WithLZ4CompressionLevel(level int) LZ4Option {
return func(c *lz4Compressor) error {
if level > 0 {
return errors.ErrInvalidCompressionLevel(level)
}
c.compressionLevel = level
return nil
}
}