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nop_extension.go
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nop_extension.go
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package extensiontest // import "go.opentelemetry.io/collector/extension/extensiontest"
import (
"context"
"github.com/google/uuid"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/component/componenttest"
"go.opentelemetry.io/collector/extension"
)
var nopType = component.MustNewType("nop")
// NewNopCreateSettings returns a new nop settings for extension.Factory Create* functions.
func NewNopCreateSettings() extension.CreateSettings {
return extension.CreateSettings{
ID: component.NewIDWithName(nopType, uuid.NewString()),
TelemetrySettings: componenttest.NewNopTelemetrySettings(),
BuildInfo: component.NewDefaultBuildInfo(),
}
}
// NewNopFactory returns an extension.Factory that constructs nop extensions.
func NewNopFactory() extension.Factory {
return extension.NewFactory(
nopType,
func() component.Config {
return &nopConfig{}
},
func(context.Context, extension.CreateSettings, component.Config) (extension.Extension, error) {
return nopInstance, nil
},
component.StabilityLevelStable)
}
type nopConfig struct{}
var nopInstance = &nopExtension{}
// nopExtension acts as an extension for testing purposes.
type nopExtension struct {
component.StartFunc
component.ShutdownFunc
}
// NewNopBuilder returns a extension.Builder that constructs nop extension.
func NewNopBuilder() *extension.Builder {
nopFactory := NewNopFactory()
return extension.NewBuilder(
map[component.ID]component.Config{component.NewID(nopType): nopFactory.CreateDefaultConfig()},
map[component.Type]extension.Factory{nopType: nopFactory})
}