本文針對工作流系統(tǒng)中的業(yè)務(wù)邏輯異常，結(jié)合利用AOP 技術(shù)，通過對異常處理橫切關(guān)注
點的劃分，提出了一種新的工作流系統(tǒng)異常處理策略，并且提出了新的異常處理的后向恢復(fù)和橫向替代恢復(fù)方式。該技術(shù)策略可廣泛用于多種信息系統(tǒng)以及自動化控制系統(tǒng)。經(jīng)過改進(jìn)，曾應(yīng)用于北京燕山石化內(nèi)部的辦公自動化控制系統(tǒng)，并且獲得了公司良好的評價。
關(guān)鍵詞： 工作流； AOP； 橫切關(guān)注點； 異常處理

Abstract: In this paper, in order to handle the logical business exceptions in workflow system, by using AOP technology to separate the crosscutting-concerns of exceptions-handling, a new exception-handling strategy in workflow system is brought forward. And the new backward-recovery and cross-substitution methods of exception-handling is also introduced. This new strategy can be widely used in many kinds of information systems and auto-control systems. It is once modified and implemented in the auto-control of OA system in Beijing Yanshan Petrochemical Co.,Ltd.(BYPC). And it is highly appraised by the company.
Key word: Workflow; AOP; crosscutting-concern; exception-handling