| /* |
| 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 consumer |
| |
| import ( |
| "errors" |
| "fmt" |
| |
| "github.com/apache/rocketmq-client-go/v2/internal" |
| "github.com/apache/rocketmq-client-go/v2/primitive" |
| ) |
| |
| // CreateReplyMessage build reply message from the request message |
| func CreateReplyMessage(requestMessage *primitive.MessageExt, body []byte) (*primitive.Message, error) { |
| if requestMessage == nil { |
| return nil, errors.New("create reply message fail, requestMessage cannot be null") |
| } |
| |
| cluster := requestMessage.GetProperty(primitive.PropertyCluster) |
| replyTo := requestMessage.GetProperty(primitive.PropertyMessageReplyToClient) |
| correlationId := requestMessage.GetProperty(primitive.PropertyCorrelationID) |
| ttl := requestMessage.GetProperty(primitive.PropertyMessageTTL) |
| |
| if cluster == "" { |
| return nil, fmt.Errorf("create reply message fail, requestMessage error, property[\"%s\"] is null", cluster) |
| } |
| |
| var replayMessage primitive.Message |
| |
| replayMessage.UnmarshalProperties(body) |
| replayMessage.Topic = internal.GetReplyTopic(cluster) |
| replayMessage.WithProperty(primitive.PropertyMsgType, internal.ReplyMessageFlag) |
| replayMessage.WithProperty(primitive.PropertyCorrelationID, correlationId) |
| replayMessage.WithProperty(primitive.PropertyMessageReplyToClient, replyTo) |
| replayMessage.WithProperty(primitive.PropertyMessageTTL, ttl) |
| |
| return &replayMessage, nil |
| } |
| |
| func GetReplyToClient(msg *primitive.MessageExt) string { |
| return msg.GetProperty(primitive.PropertyMessageReplyToClient) |
| } |