-
Notifications
You must be signed in to change notification settings - Fork 450
/
id.go
59 lines (48 loc) · 2.14 KB
/
id.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
56
57
58
59
// Copyright (c) 2016 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package id
import "fmt"
// ID is a metric id.
type ID interface {
// Bytes returns the raw bytes for this id.
Bytes() []byte
// TagValue looks up the tag value for a tag name.
TagValue(tagName []byte) ([]byte, bool)
}
// NameAndTagsFn returns the name and the tag pairs given an id.
type NameAndTagsFn func(id []byte) (name []byte, tags []byte, err error)
// NewIDFn creates a new metric ID based on the metric name and metric tag pairs.
type NewIDFn func(name []byte, tags []TagPair) []byte
// MatchIDFn determines whether an id is considered "matched" based on certain criteria.
type MatchIDFn func(name []byte, tags []byte) bool
// RawID is the raw metric id.
type RawID []byte
// String is the string representation of a raw id.
func (rid RawID) String() string { return string(rid) }
// ChunkedID is a three-part id.
type ChunkedID struct {
Prefix []byte
Data []byte
Suffix []byte
}
// String is the string representation of the chunked id.
func (cid ChunkedID) String() string {
return fmt.Sprintf("%s%s%s", cid.Prefix, cid.Data, cid.Suffix)
}