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marshaler.go
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marshaler.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:https://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 pulsarexporter // import "github.com/open-telemetry/opentelemetry-collector-contrib/exporter/pulsarexporter"
import (
"github.com/apache/pulsar-client-go/pulsar"
"go.opentelemetry.io/collector/pdata/plog"
"go.opentelemetry.io/collector/pdata/pmetric"
"go.opentelemetry.io/collector/pdata/ptrace"
)
// TracesMarshaler marshals traces into Message array.
type TracesMarshaler interface {
// Marshal serializes spans into sarama's ProducerMessages
Marshal(traces ptrace.Traces, topic string) ([]*pulsar.ProducerMessage, error)
// Encoding returns encoding name
Encoding() string
}
// MetricsMarshaler marshals metrics into Message array
type MetricsMarshaler interface {
// Marshal serializes metrics into sarama's ProducerMessages
Marshal(metrics pmetric.Metrics, topic string) ([]*pulsar.ProducerMessage, error)
// Encoding returns encoding name
Encoding() string
}
// LogsMarshaler marshals logs into Message array
type LogsMarshaler interface {
// Marshal serializes logs into sarama's ProducerMessages
Marshal(logs plog.Logs, topic string) ([]*pulsar.ProducerMessage, error)
// Encoding returns encoding name
Encoding() string
}
// tracesMarshalers returns map of supported encodings with TracesMarshaler.
func tracesMarshalers() map[string]TracesMarshaler {
otlpProto := newPdataTracesMarshaler(&ptrace.ProtoMarshaler{}, defaultEncoding)
otlpJSON := newPdataTracesMarshaler(&ptrace.JSONMarshaler{}, "otlp_json")
jaegerProto := jaegerMarshaler{marshaler: jaegerProtoBatchMarshaler{}}
jaegerJSON := jaegerMarshaler{marshaler: newJaegerJSONMarshaler()}
return map[string]TracesMarshaler{
otlpProto.Encoding(): otlpProto,
otlpJSON.Encoding(): otlpJSON,
jaegerProto.Encoding(): jaegerProto,
jaegerJSON.Encoding(): jaegerJSON,
}
}
// metricsMarshalers returns map of supported encodings and MetricsMarshaler
func metricsMarshalers() map[string]MetricsMarshaler {
proto := newPdataMetricsMarshaler(&pmetric.ProtoMarshaler{}, defaultEncoding)
json := newPdataMetricsMarshaler(&pmetric.JSONMarshaler{}, "otlp_json")
return map[string]MetricsMarshaler{
proto.Encoding(): proto,
json.Encoding(): json,
}
}
// logsMarshalers returns map of supported encodings and LogsMarshaler
func logsMarshalers() map[string]LogsMarshaler {
proto := newPdataLogsMarshaler(&plog.ProtoMarshaler{}, defaultEncoding)
json := newPdataLogsMarshaler(&plog.JSONMarshaler{}, "otlp_json")
return map[string]LogsMarshaler{
proto.Encoding(): proto,
json.Encoding(): json,
}
}