opentelemetry-collector/consumer/metrics.go

54 lines
1.7 KiB
Go

// 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 consumer // import "go.opentelemetry.io/collector/consumer"
import (
"context"
"go.opentelemetry.io/collector/model/pdata"
)
// Metrics is the new metrics consumer interface that receives pdata.Metrics, processes it
// as needed, and sends it to the next processing node if any or to the destination.
type Metrics interface {
baseConsumer
// ConsumeMetrics receives pdata.Metrics for consumption.
ConsumeMetrics(ctx context.Context, md pdata.Metrics) error
}
// ConsumeMetricsFunc is a helper function that is similar to ConsumeMetrics.
type ConsumeMetricsFunc func(ctx context.Context, ld pdata.Metrics) error
// ConsumeMetrics calls f(ctx, ld).
func (f ConsumeMetricsFunc) ConsumeMetrics(ctx context.Context, ld pdata.Metrics) error {
return f(ctx, ld)
}
type baseMetrics struct {
*baseImpl
ConsumeMetricsFunc
}
// NewMetrics returns a Metrics configured with the provided options.
func NewMetrics(consume ConsumeMetricsFunc, options ...Option) (Metrics, error) {
if consume == nil {
return nil, errNilFunc
}
return &baseMetrics{
baseImpl: newBaseImpl(options...),
ConsumeMetricsFunc: consume,
}, nil
}