| // |
| // 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 main |
| |
| import ( |
| "context" |
| "fmt" |
| |
| "github.com/apache/pulsar/pulsar-function-go/pf" |
| ) |
| |
| func contextFunc(ctx context.Context) { |
| if fc, ok := pf.FromContext(ctx); ok { |
| fmt.Printf("function ID is:%s, ", fc.GetFuncID()) |
| fmt.Printf("function version is:%s\n", fc.GetFuncVersion()) |
| fmt.Printf("Current message's ID :%s\n", string(fc.GetCurrentRecord().ID().Serialize())) |
| } |
| } |
| |
| func main() { |
| pf.Start(contextFunc) |
| } |