| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you 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 pulsartracing |
| |
| import ( |
| "errors" |
| |
| "github.com/apache/pulsar-client-go/pulsar" |
| ) |
| |
| // ProducerMessageExtractAdapter Implements TextMap Interface |
| type ProducerMessageExtractAdapter struct { |
| message *pulsar.ProducerMessage |
| } |
| |
| func (a *ProducerMessageExtractAdapter) ForeachKey(handler func(key, val string) error) error { |
| for k, v := range (*a.message).Properties { |
| if err := handler(k, v); err != nil { |
| return err |
| } |
| } |
| |
| return nil |
| } |
| |
| func (a *ProducerMessageExtractAdapter) Set(key, val string) {} |
| |
| // ProducerMessageInjectAdapter Implements TextMap Interface |
| type ProducerMessageInjectAdapter struct { |
| message *pulsar.ProducerMessage |
| } |
| |
| func (a *ProducerMessageInjectAdapter) ForeachKey(handler func(key, val string) error) error { |
| return errors.New("iterator should never be used with Tracer.inject()") |
| } |
| |
| func (a *ProducerMessageInjectAdapter) Set(key, val string) { |
| a.message.Properties[key] = val |
| } |
| |
| // ConsumerMessageExtractAdapter Implements TextMap Interface |
| type ConsumerMessageExtractAdapter struct { |
| message pulsar.ConsumerMessage |
| } |
| |
| func (a *ConsumerMessageExtractAdapter) ForeachKey(handler func(key, val string) error) error { |
| for k, v := range a.message.Properties() { |
| if err := handler(k, v); err != nil { |
| return err |
| } |
| } |
| |
| return nil |
| } |
| |
| func (a *ConsumerMessageExtractAdapter) Set(key, val string) {} |
| |
| // ConsumerMessageInjectAdapter Implements TextMap Interface |
| type ConsumerMessageInjectAdapter struct { |
| message pulsar.ConsumerMessage |
| } |
| |
| func (a *ConsumerMessageInjectAdapter) ForeachKey(handler func(key, val string) error) error { |
| return errors.New("iterator should never be used with tracer.inject()") |
| } |
| |
| func (a *ConsumerMessageInjectAdapter) Set(key, val string) { |
| a.message.Properties()[key] = val |
| } |