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    • 4. 发明申请
    • MAINTAINING DATA CONSISTENCY BETWEEN INTEGRATED APPLICATIONS
    • 维护综合应用之间的数据一致性
    • WO2006119651A1
    • 2006-11-16
    • PCT/CH2005/000268
    • 2005-05-13
    • ABB RESEARCH LTDWERNER, ThomasVETTER, ClausGULLI, LorenzoSVENSSON, ErikKOSTIC, Tatjana
    • WERNER, ThomasVETTER, ClausGULLI, LorenzoSVENSSON, ErikKOSTIC, Tatjana
    • G06F9/44
    • G06F9/52
    • The present invention facilitates the interoperability between different local applications by providing faster and cheaper synchronization or consistency maintenance of related objects and attributes in the databases of the corresponding IT systems of different local applications. Related local data objects are referenced via global objects or reference containers within a global data model or a global address space of an integration solution. The present invention assumes that the integration solution is per default in a consistent state, i.e. an engineered or initially configured global address space is regarded as consistent, and all software components that operate within this space assume that the information they access is valid and likewise consistent. The local applications are the only components that can interact with the global address space and introduce invalidations, they are continuously monitored for changes. Invalidation and subsequent synchronization or restoration of consistency is performed upon a particular triggering event related to a change in a local application object (such as an insertion or removal of an object or a modification of an attribute thereof) or related to a changing application or adapter status (component shutdown/startup). As the data are preferably accessed through the Application Program Interface (API) of the local applications, the present invention is particularly useful for power utility automation, where security checks prohibit data access on database level, and where the large number of physical assets does prohibit querying continuously each and every local object of any local application for possible changes.
    • 本发明通过在不同的本地应用的相应的IT系统的数据库中提供更快和更便宜的相关对象和属性的同步或一致性维护来促进不同的本地应用之间的互操作性。 相关的本地数据对象通过集成解决方案的全局数据模型或全局地址空间中的全局对象或引用容器进行引用。 本发明假设整合解决方案是以一致状态为默认的,即设计的或初始配置的全局地址空间被认为是一致的,并且在该空间内操作的所有软件组件假定他们访问的信息是有效的并且同样一致 。 本地应用程序是唯一可与全局地址空间进行交互并引入无效的组件,它们将不断地被监视以进行更改。 在与本地应用对象的变化相关的特定触发事件(例如,对象的插入或移除或其属性的修改)或与改变的应用或适配器有关的特定触发事件上执行无效和随后的同步或恢复 状态(组件关闭/启动)。 由于优选地通过本地应用的应用程序接口(API)来访问数据,本发明对于电力公用事业自动化特别有用,其中安全检查禁止数据库级别的数据访问,并且大量实体资产确实禁止 连续查询任何本地应用程序的每个本地对象可能的更改。