| /* |
| * 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 rocketmq |
| |
| import "fmt" |
| |
| func Version() (version string) { |
| return GetVersion() |
| } |
| |
| // NewProduer create a new producer with config |
| func NewProduer(config *ProducerConfig) Producer { |
| return newDefaultProducer(config) |
| } |
| |
| // ProducerConfig define a producer |
| type ProducerConfig struct { |
| GroupID string |
| NameServer string |
| Credentials *SessionCredentials |
| } |
| |
| func (config *ProducerConfig) String() string { |
| // For security, don't print Credentials default. |
| return fmt.Sprintf("[groupId: %s, nameServer: %s]", config.NameServer, config.GroupID) |
| } |
| |
| type Producer interface { |
| baseAPI |
| // SendMessageSync send a message with sync |
| SendMessageSync(msg *Message) SendResult |
| |
| // SendMessageAsync send a message with async |
| SendMessageAsync(msg *Message) |
| } |
| |
| // NewPushConsumer create a new consumer with config. |
| func NewPushConsumer(config *ConsumerConfig) (PushConsumer, error) { |
| return newPushConsumer(config) |
| } |
| |
| // ConsumerConfig define a new conusmer. |
| type ConsumerConfig struct { |
| GroupID string |
| NameServer string |
| ConsumerThreadCount int |
| MessageBatchMaxSize int |
| //ConsumerInstanceName int |
| Credentials *SessionCredentials |
| } |
| |
| func (config *ConsumerConfig) String() string { |
| return fmt.Sprintf("[groupId: %s, nameServer: %s, consumerThreadCount: %d, messageBatchMaxSize: %d]", |
| config.GroupID, config.NameServer, config.ConsumerThreadCount, config.MessageBatchMaxSize) |
| } |
| |
| type PushConsumer interface { |
| baseAPI |
| // Subscribe a new topic with specify filter expression and consume function. |
| Subscribe(topic, expression string, consumeFunc func(msg *MessageExt) ConsumeStatus) error |
| } |
| |
| type SessionCredentials struct { |
| AccessKey string |
| SecretKey string |
| Channel string |
| } |
| |
| func (session *SessionCredentials) String() string { |
| return fmt.Sprintf("[accessKey: %s, secretKey: %s, channel: %s]", |
| session.AccessKey, session.SecretKey, session.Channel) |
| } |
| |
| type SendResult struct { |
| Status SendStatus |
| MsgId string |
| Offset int64 |
| } |
| |
| func (result SendResult) String() string { |
| return fmt.Sprintf("[status: %s, messageId: %s, offset: %d]", result.Status, result.MsgId, result.Offset) |
| |
| } |
| |
| type baseAPI interface { |
| Start() error |
| Shutdown() error |
| } |