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consumer.go
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/
consumer.go
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// 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"
)
// Capabilities describes the capabilities of a Processor.
type Capabilities struct {
// MutatesData is set to true if Consume* function of the
// processor modifies the input TraceData or MetricsData argument.
// Processors which modify the input data MUST set this flag to true. If the processor
// does not modify the data it MUST set this flag to false. If the processor creates
// a copy of the data before modifying then this flag can be safely set to false.
MutatesData bool
}
type baseConsumer interface {
Capabilities() Capabilities
}
// 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
}
// Traces is an interface that receives pdata.Traces, processes it
// as needed, and sends it to the next processing node if any or to the destination.
type Traces interface {
baseConsumer
// ConsumeTraces receives pdata.Traces for consumption.
ConsumeTraces(ctx context.Context, td pdata.Traces) error
}
// Logs is an interface that receives pdata.Logs, processes it
// as needed, and sends it to the next processing node if any or to the destination.
type Logs interface {
baseConsumer
// ConsumeLogs receives pdata.Logs for consumption.
ConsumeLogs(ctx context.Context, ld pdata.Logs) error
}