/
component.go
54 lines (45 loc) · 1.57 KB
/
component.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
// Copyright The OpenTelemetry Authors
//
// 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
//
// http://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 componenthelper // import "go.opentelemetry.io/collector/component/componenthelper"
import (
"go.opentelemetry.io/collector/component"
)
// Option represents the possible options for New.
type Option func(*baseComponent)
// WithStart overrides the default `Start` function for a component.Component.
// The default always returns nil.
func WithStart(startFunc component.StartFunc) Option {
return func(o *baseComponent) {
o.StartFunc = startFunc
}
}
// WithShutdown overrides the default `Shutdown` function for a component.Component.
// The default always returns nil.
func WithShutdown(shutdownFunc component.ShutdownFunc) Option {
return func(o *baseComponent) {
o.ShutdownFunc = shutdownFunc
}
}
type baseComponent struct {
component.StartFunc
component.ShutdownFunc
}
// New returns a component.Component configured with the provided options.
func New(options ...Option) component.Component {
bc := &baseComponent{}
for _, op := range options {
op(bc)
}
return bc
}