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Design and Implementation of Business Accounting System Fault-tolerant Mechanism Based on Design Pattern

Author: RenJian
Tutor: TangXueFei; ShenYaNing
School: University of Electronic Science and Technology
Course: Software Engineering
Keywords: fault-tolerance system design model strategy model adaptor model
CLC: TP311.52
Type: Master's thesis
Year: 2013
Downloads: 6
Quote: 0
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Abstract


The software fault-tolerance system is an important action to improve the softwarereliability of the enterprise. The excellence of the software fault-tolerance system designis one of the critical factors of improving system reliability, reusability and flexibility.In order to improve the reliability, reusability and maintainability of the softwarefault-tolerance software system, the thesis introduces the strategy model, adapter modeland other design ideas.As to the information of the business ledger, the thesis introduces the modelingmethod based on the JDBC entity field for facing the object-idea to operate the data andbuilding the layer frame model.As to the abnormal problems happened in the transmission process of the businessledger, it introduces the fault-tolerance recovery mechanism based on the strategymodel. According to the separating algorithm, it chooses the realized essence and offersvarious different methods of automatically submitting the business ledger information,that is, the spare strategy after emerging multi methods. During the operating period, itneeds to conduct the dynamic switching, adopts the recovery mechanism to replace thenormal function, and uses the spare strategy by the document transmission to replacethe continuing normal function for the error of the data base connection. It makes thebusiness data extract continue to conduct and then achieves the fault-tolerance purposeand improve the system reliability.As to the difference of the specific operational interface used in the business ledgertransmission strategy, it causes every strategy achievement exist difference, and thenappears the interface incompatibility phenomenon, so it introduces the fault-toleranceconfiguration scheme based on the adaptor model. According to the switching match ofthe adaptor model and the essence of the multiplexing function, it makes the businessledger system can support the automatic submitting of the data base storage and theledger data transmission scheme automatically submitted by the document storage. Theadaptor achieves the compatibility of the different interfaces by switching the existingachievement, and then achieves the purpose of multiplexing the submitted schemes and guarantees the reusability and the flexibility of the system.The introduced fault-tolerance technology has been achieved in the business ledgersystem, and it has high reliability and strong maintainability.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development
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