本文選題：中間件　切入點(diǎn)：高性能　出處：《北方工業(yè)大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：水文信息處理系統(tǒng)是一個(gè)方便水文部門監(jiān)測(cè)和處理各類水文信息的平臺(tái)。系統(tǒng)需要異步處理各個(gè)遙測(cè)站發(fā)送的消息。傳統(tǒng)的水文信息處理系統(tǒng)由于協(xié)議格式種類繁多,數(shù)據(jù)共享困難,不同功能模塊之間的耦合度也比較高,可擴(kuò)展性比較差,隨著遙測(cè)站數(shù)量的急劇增加,系統(tǒng)的消息處理能力也越來(lái)越難以滿足要求。針對(duì)以上問題,本文在充分研究和分析了國(guó)家標(biāo)準(zhǔn)的水文監(jiān)測(cè)數(shù)據(jù)通信協(xié)議的基礎(chǔ)之上,設(shè)計(jì)了水文報(bào)文的編碼器和解碼器,實(shí)現(xiàn)了水文報(bào)文的編解碼,并對(duì)現(xiàn)有的消息中間件進(jìn)行擴(kuò)展和改進(jìn),提出了一種新型的水文信息處理系統(tǒng)。系統(tǒng)分為業(yè)務(wù)模塊和消息中間件兩部分,業(yè)務(wù)模塊用于對(duì)各類消息內(nèi)容的展示、遙測(cè)站的維護(hù)以及用戶信息的維護(hù);水文消息中間件分為網(wǎng)絡(luò)通信層和消息服務(wù)器層,為水文信息處理系統(tǒng)和遙測(cè)站之間提供水文消息的發(fā)送和接收,以及水文消息的持久化服務(wù)。水文信息處理系統(tǒng)采用三層架構(gòu)的設(shè)計(jì)模式,層與層之間松耦合,通過(guò)接口調(diào)用數(shù)據(jù),系統(tǒng)的可擴(kuò)展性強(qiáng)。網(wǎng)絡(luò)通信層基于高性能的網(wǎng)絡(luò)通信框架Netty,提高了系統(tǒng)的并發(fā)性,并通過(guò)配置文件的方式靈活應(yīng)對(duì)各類水文報(bào)文的編解碼,解決了通信協(xié)議不兼容問題,同時(shí)提高了系統(tǒng)的靈活性。消息服務(wù)器層提供消息的接收轉(zhuǎn)發(fā)和持久化服務(wù),保證了消息的可靠傳輸。基于中間件技術(shù)的水文信息處理系統(tǒng)大大提高了系統(tǒng)的并發(fā)性、可擴(kuò)展性和靈活性,實(shí)現(xiàn)了不同水文報(bào)文的編解碼,同時(shí)保障了數(shù)據(jù)的安全性和可靠性。
[Abstract]:Hydrological information processing system is a platform for hydrological departments to monitor and process all kinds of hydrological information. The system needs to deal with messages sent by various telemetry stations asynchronously. It is difficult to share data, the coupling degree between different functional modules is high, and the scalability is poor. With the rapid increase of the number of telemetry stations, the message processing ability of the system becomes more and more difficult to meet the requirements. Based on the research and analysis of the national standard hydrological monitoring data communication protocol, the encoder and decoder of hydrological message are designed in this paper, and the encoder and decoder of hydrological message are realized. A new hydrologic information processing system is proposed. The system is divided into two parts: business module and message middleware. The business module is used to display all kinds of message content. The hydrological message middleware is divided into network communication layer and message server layer, which provides the hydrological message sending and receiving between the hydrological information processing system and the telemetry station. Hydrological information processing system adopts the design pattern of three-layer architecture, loosely coupling between layers, and transferring data through interface. The network communication layer is based on the high performance network communication framework Netty. it improves the concurrency of the system, and flexibly deals with the encoding and decoding of all kinds of hydrological messages by the way of configuration file, and solves the problem of communication protocol incompatibility. At the same time, the flexibility of the system is improved. The message server layer provides message receiving, forwarding and persistence services to ensure the reliable transmission of messages. The hydrological information processing system based on middleware technology greatly improves the concurrency of the system. Extensibility and flexibility can realize the encoding and decoding of different hydrological messages, and ensure the security and reliability of the data at the same time.
【學(xué)位授予單位】：北方工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：P335;TP311.52

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