| // 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" |
| "log" |
| |
| "github.com/apache/pulsar-client-go/pulsar" |
| ) |
| |
| func main() { |
| client, err := pulsar.NewClient(pulsar.ClientOptions{URL: "pulsar://localhost:6650"}) |
| if err != nil { |
| log.Fatal(err) |
| } |
| |
| defer client.Close() |
| |
| reader, err := client.CreateReader(pulsar.ReaderOptions{ |
| Topic: "topic-1", |
| StartMessageID: pulsar.EarliestMessageID(), |
| }) |
| if err != nil { |
| log.Fatal(err) |
| } |
| defer reader.Close() |
| |
| for reader.HasNext() { |
| msg, err := reader.Next(context.Background()) |
| if err != nil { |
| log.Fatal(err) |
| } |
| |
| fmt.Printf("Received message msgId: %#v -- content: '%s'\n", |
| msg.ID(), string(msg.Payload())) |
| } |
| } |